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KOS

Kosmos Energy Ltd.

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Tapewire entity
4605
SEC CIK
0001509991
Parsed reports
272

Last 12 months

Inside the activity.

4 purchase rows · 15 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202608
Mar 202640
Apr 202600
May 202603
Jun 202600
Jul 202604
Aug 202600
Sep 202600
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
March 17, 2016 Filed Jan 18, 2019 22:30 UTC
MAXTED BRIAN FDirector · Chief Exploration Officer
Giftcommon shares 14,861 $0.00 $0.00
Disclosure

SEC source: 0001509991-19-000038 · wf-form5_154785061791505.xml · nonDerivative · entry 1

MAXTED BRIAN F · CIK 0001240698 · Director · Chief Exploration Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,651,850

F1 · kind: Transaction Code G5

Read SEC document
October 10, 2014 Filed Oct 10, 2014 21:35 UTC SaleCommon Shares 18,345 $9.33 $171,158.85
Disclosure

SEC source: 0001181431-14-034201 · rrd417509.xml · nonDerivative · entry 5

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 270,001

F1 · price: This amount represents the $9.33 price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") received by the Blackstone Funds (as defined below) in an underwritten secondary block trade.

F6 · ownership.nature: These Common Shares are held by Blackstone Participation Partnership (Cayman) IV L.P. ("BPP", together with BCP Cayman IV, BCP Cayman IV-A BFIP and BFIP SMD, the "Blackstone Funds").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
October 10, 2014 Filed Oct 10, 2014 21:35 UTC SaleCommon Shares 135,106 $9.33 $1,260,538.98
Disclosure

SEC source: 0001181431-14-034201 · rrd417509.xml · nonDerivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,988,529

F1 · price: This amount represents the $9.33 price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") received by the Blackstone Funds (as defined below) in an underwritten secondary block trade.

F5 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P. ("BFIP SMD").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
October 10, 2014 Filed Oct 10, 2014 21:35 UTC SaleCommon Shares 162,720 $9.33 $1,518,177.60
Disclosure

SEC source: 0001181431-14-034201 · rrd417509.xml · nonDerivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,394,968

F1 · price: This amount represents the $9.33 price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") received by the Blackstone Funds (as defined below) in an underwritten secondary block trade.

F4 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
October 10, 2014 Filed Oct 10, 2014 21:35 UTC SaleCommon Shares 103,240 $9.33 $963,229.20
Disclosure

SEC source: 0001181431-14-034201 · rrd417509.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,474,644

F1 · price: This amount represents the $9.33 price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") received by the Blackstone Funds (as defined below) in an underwritten secondary block trade.

F3 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP Cayman IV-A").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
October 10, 2014 Filed Oct 10, 2014 21:35 UTC SaleCommon Shares 6,330,589 $9.33 $59,064,395.37
Disclosure

SEC source: 0001181431-14-034201 · rrd417509.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 90,424,370

F1 · price: This amount represents the $9.33 price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") received by the Blackstone Funds (as defined below) in an underwritten secondary block trade.

F2 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV L.P. ("BCP Cayman IV").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
July 15, 2014 Filed Jul 17, 2014 20:05 UTC SaleCommon Shares 23,910 $9.85 $235,513.50
Disclosure

SEC source: 0001209191-14-047759 · doc4.xml · nonDerivative · entry 5

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 288,346

F1 · price: This amount represents the $9.92 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.07 per share.

F6 · ownership.nature: These Common Shares are held by Blackstone Participation Partnership (Cayman) IV L.P. ("BPP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
July 15, 2014 Filed Jul 17, 2014 20:05 UTC SaleCommon Shares 176,088 $9.85 $1,734,466.80
Disclosure

SEC source: 0001209191-14-047759 · doc4.xml · nonDerivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,123,635

F1 · price: This amount represents the $9.92 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.07 per share.

F5 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P. ("BFIP SMD").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
July 15, 2014 Filed Jul 17, 2014 20:05 UTC SaleCommon Shares 212,078 $9.85 $2,088,968.30
Disclosure

SEC source: 0001209191-14-047759 · doc4.xml · nonDerivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,557,688

F1 · price: This amount represents the $9.92 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.07 per share.

F4 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
July 15, 2014 Filed Jul 17, 2014 20:05 UTC SaleCommon Shares 134,556 $9.85 $1,325,376.60
Disclosure

SEC source: 0001209191-14-047759 · doc4.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,577,884

F1 · price: This amount represents the $9.92 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.07 per share.

F3 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP Cayman IV-A").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
July 15, 2014 Filed Jul 17, 2014 20:05 UTC SaleCommon Shares 8,250,868 $9.85 $81,271,049.80
Disclosure

SEC source: 0001209191-14-047759 · doc4.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 96,754,959

F1 · price: This amount represents the $9.92 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.07 per share.

F2 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV L.P. ("BCP Cayman IV").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
March 15, 2013 Filed Mar 19, 2013 23:35 UTC SaleCommon Shares 5,221 $10.59 $55,277.34
Disclosure

SEC source: 0001181431-13-017933 · rrd374472.xml · nonDerivative · entry 5

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 312,256

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share in connection with the exercise by the underwriters of their over-allotment option.

F6 · ownership.nature: These Common Shares are held by Blackstone Participation Partnership (Cayman) IV L.P. ("BPP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
March 15, 2013 Filed Mar 19, 2013 23:35 UTC SaleCommon Shares 38,450 $10.59 $407,089.38
Disclosure

SEC source: 0001181431-13-017933 · rrd374472.xml · nonDerivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,299,722

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share in connection with the exercise by the underwriters of their over-allotment option.

F5 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P. ("BFIP SMD").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
March 15, 2013 Filed Mar 19, 2013 23:35 UTC SaleCommon Shares 46,308 $10.59 $490,285.95
Disclosure

SEC source: 0001181431-13-017933 · rrd374472.xml · nonDerivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,769,766

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share in connection with the exercise by the underwriters of their over-allotment option.

F4 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
March 15, 2013 Filed Mar 19, 2013 23:35 UTC SaleCommon Shares 28,631 $10.59 $303,130.71
Disclosure

SEC source: 0001181431-13-017933 · rrd374472.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,712,440

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share in connection with the exercise by the underwriters of their over-allotment option.

F3 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP Cayman IV-A").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
March 15, 2013 Filed Mar 19, 2013 23:35 UTC SaleCommon Shares 1,755,619 $10.59 $18,587,616.16
Disclosure

SEC source: 0001181431-13-017933 · rrd374472.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 105,005,826

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share in connection with the exercise by the underwriters of their over-allotment option.

F2 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV L.P. ("BCP Cayman IV").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
February 21, 2013 Filed Feb 25, 2013 19:08 UTC SaleCommon Shares 34,362 $10.59 $363,807.68
Disclosure

SEC source: 0001181431-13-012147 · rrd371668.xml · nonDerivative · entry 5

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 317,477

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share.

F6 · ownership.nature: These Common Shares are held by Blackstone Participation Partnership (Cayman) IV L.P. ("BPP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
February 21, 2013 Filed Feb 25, 2013 19:08 UTC SaleCommon Shares 253,071 $10.59 $2,679,389.21
Disclosure

SEC source: 0001181431-13-012147 · rrd371668.xml · nonDerivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,338,172

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share.

F5 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P. ("BFIP SMD").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
February 21, 2013 Filed Feb 25, 2013 19:08 UTC SaleCommon Shares 304,796 $10.59 $3,227,027.65
Disclosure

SEC source: 0001181431-13-012147 · rrd371668.xml · nonDerivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,816,074

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share.

F4 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
February 21, 2013 Filed Feb 25, 2013 19:08 UTC SaleCommon Shares 188,444 $10.59 $1,995,150.85
Disclosure

SEC source: 0001181431-13-012147 · rrd371668.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,741,071

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share.

F3 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP Cayman IV-A").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
February 21, 2013 Filed Feb 25, 2013 19:08 UTC SaleCommon Shares 11,555,266 $10.59 $122,341,378.78
Disclosure

SEC source: 0001181431-13-012147 · rrd371668.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 106,761,445

F1 · price: This amount represents the $11.00 secondary public offering price per common share, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") less the underwriting discount of $0.4125 per share.

F2 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV L.P. ("BCP Cayman IV").

F7 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F8 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherC1 Units · Derivative 3,066 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 25

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 11,325 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F11 · ownership.nature: Reflects the number of units of KEH owned by BPP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries C Convertible Preferred Units · Derivative 1,085 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 24

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 5,899 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F11 · ownership.nature: Reflects the number of units of KEH owned by BPP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries B Convertible Preferred Units · Derivative 23,040 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 23

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 126,533 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F11 · ownership.nature: Reflects the number of units of KEH owned by BPP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries A Convertible Preferred Units · Derivative 38,286 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 22

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 208,082 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F11 · ownership.nature: Reflects the number of units of KEH owned by BPP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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May 16, 2011 Filed May 18, 2011 20:54 UTC OtherC1 Units · Derivative 22,583 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 21

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 83,413 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F10 · ownership.nature: Reflects the number of units of KEH owned by BFIP SMD prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries C Convertible Preferred Units · Derivative 7,994 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 20

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 43,466 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F10 · ownership.nature: Reflects the number of units of KEH owned by BFIP SMD prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries B Convertible Preferred Units · Derivative 169,682 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 19

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 931,875 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F10 · ownership.nature: Reflects the number of units of KEH owned by BFIP SMD prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries A Convertible Preferred Units · Derivative 281,970 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 18

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 1,532,489 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F10 · ownership.nature: Reflects the number of units of KEH owned by BFIP SMD prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherC1 Units · Derivative 27,198 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 17

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 100,460 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F9 · ownership.nature: Reflects the number of units of KEH owned by BFIP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries C Convertible Preferred Units · Derivative 9,628 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 16

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 52,350 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F9 · ownership.nature: Reflects the number of units of KEH owned by BFIP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries B Convertible Preferred Units · Derivative 204,364 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 15

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 1,122,345 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F9 · ownership.nature: Reflects the number of units of KEH owned by BFIP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries A Convertible Preferred Units · Derivative 339,602 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 14

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 1,845,716 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F9 · ownership.nature: Reflects the number of units of KEH owned by BFIP prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherC1 Units · Derivative 16,811 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 13

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 62,094 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F8 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV-A prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries C Convertible Preferred Units · Derivative 5,951 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 12

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 32,357 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F8 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV-A prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries B Convertible Preferred Units · Derivative 135,049 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 11

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 741,674 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F8 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV-A prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries A Convertible Preferred Units · Derivative 201,178 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 10

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 1,093,390 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F8 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV-A prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherC1 Units · Derivative 1,030,862 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 9

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Share · 3,807,630 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F7 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries C Convertible Preferred Units · Derivative 364,905 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 8

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 1,984,092 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F7 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries B Convertible Preferred Units · Derivative 8,281,115 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 7

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 45,478,980 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F7 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherSeries A Convertible Preferred Units · Derivative 12,336,114 $0.00 $0.00
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · derivative · entry 6

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Shares · 67,046,010 shares

Expires not disclosed

F1 · derivative.exercise_price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.exercise_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · derivative.expiration_date: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F7 · ownership.nature: Reflects the number of units of KEH owned by BCP Cayman IV prior to their exchange on May 16, 2011 pursuant to the Corporate Reorganization.

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

Read SEC document
May 16, 2011 Filed May 18, 2011 20:54 UTC OtherCommon Shares 351,839 Not disclosed Not disclosed
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · nonDerivative · entry 5

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 351,839

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F6 · ownership.nature: These Common Shares are held by Blackstone Participation Partnership (Cayman) IV L.P. ("BPP").

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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May 16, 2011 Filed May 18, 2011 20:54 UTC OtherCommon Shares 2,591,243 Not disclosed Not disclosed
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · nonDerivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,591,243

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F5 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P. ("BFIP SMD").

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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May 16, 2011 Filed May 18, 2011 20:54 UTC OtherCommon Shares 3,120,870 Not disclosed Not disclosed
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · nonDerivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,120,870

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F4 · ownership.nature: These Common Shares are held by Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP")

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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May 16, 2011 Filed May 18, 2011 20:54 UTC OtherCommon Shares 1,929,515 Not disclosed Not disclosed
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,929,515

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F3 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP Cayman IV-A").

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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May 16, 2011 Filed May 18, 2011 20:54 UTC OtherCommon Shares 118,316,711 Not disclosed Not disclosed
Disclosure

SEC source: 0001181431-11-030791 · rrd312258.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP · CIK 0001273623 · 10% owner

BLACKSTONE FAMILY GP LLC · CIK 0001404964 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Group L.P. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 118,316,711

F1 · kind: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F1 · price: The common shares, par value $0.01 (the "Common Shares") of Kosmos Energy Ltd. (the "Issuer") were issued in exchange for the outstanding units in Kosmos Energy Holdings ("KEH") listed in Table II pursuant to a corporate reorganization (the "Corporate Reorganization") in connection with the initial public offering of Common Shares, which units were exchangeable pursuant to the Fourth Amended and Restated Operating Agreement of KEH upon the closing of the initial public offering of the Issuer based on the pre-offering equity value of such units.

F2 · ownership.nature: These Common Shares are held by Blackstone Capital Partners (Cayman) IV L.P. ("BCP Cayman IV").

F12 · ownership.nature: The general partner of BFIP SMD is Blackstone Family GP L.L.C. which is controlled by Mr. Stephen A. Schwarzman, its founder. The general partner of BCP Cayman IV and BCP Cayman IV-A is Blackstone Management Associates (Cayman) IV L.P. ("BMA"). A general partner of BMA, BFIP, and BPP is BCP IV GP L.L.C ("BCP IV"). Blackstone Holdings III L.P. is the sole member of BCP IV. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is controlled by Mr. Stephen A. Schwarzman, its founder.

F13 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.