EARN

SEC source: 0000899243-20-014776 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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 Inc · 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: 3,190,195

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.42 to $9.73, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 Inc. (f/k/a The Blackstone Group L.P.). The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-20-014776 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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 Inc · 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: 3,166,626

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.61 to $9.77, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 Inc. (f/k/a The Blackstone Group L.P.). The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-20-014354 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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 Inc · 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: 3,143,057

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.57 to $9.79, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 Inc. (f/k/a The Blackstone Group L.P.). The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-20-014354 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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 Inc · 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: 3,127,857

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.61 to $9.78, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 Inc. (f/k/a The Blackstone Group L.P.). The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-20-014354 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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 Inc · 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: 3,115,557

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.31 to $9.55, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 Inc. (f/k/a The Blackstone Group L.P.). The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0001628280-19-015158 · wf-form4_157661869334895.xml · nonDerivative · entry 1

Smernoff Chris · CIK 0001732958 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,766

F1 · shares: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Financial Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 1,415 of the Common Shares will vest, subject to certain limitations, on December 13, 2020, and the remaining 1,414 of the Common Shares will vest, subject to certain limitations, on December 13, 2021.

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Financial Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 1,415 of the Common Shares will vest, subject to certain limitations, on December 13, 2020, and the remaining 1,414 of the Common Shares will vest, subject to certain limitations, on December 13, 2021.

F2 · balance_after: 1,179 of these Common Shares will vest, subject to certain limitations, on December 11, 2020.

SEC source: 0001628280-19-015159 · wf-form4_157661871309953.xml · nonDerivative · entry 1

Herlihy John · CIK 0001734053 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,381

F1 · shares: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Operating Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 2,254 of the Common Shares will vest, subject to certain limitations, on December 13, 2020, and the remaining 2,254 of the Common Shares will vest, subject to certain limitations, on December 13, 2021.

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Operating Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 2,254 of the Common Shares will vest, subject to certain limitations, on December 13, 2020, and the remaining 2,254 of the Common Shares will vest, subject to certain limitations, on December 13, 2021.

F2 · balance_after: 1,936 of these Common Shares will vest, subject to certain limitations, on December 11, 2020.

SEC source: 0001628280-19-014206 · wf-form4_157376539493026.xml · nonDerivative · entry 1

Vranos Michael W · CIK 0001474808 · Director · Co-Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 106,472

F1 · kind: On November 14, 2019, these common shares were transferred from the investment accounts of certain former, inactive, or non-participating partners partners in EMG Holdings, L.P. ("EMGH") to such partners' respective brokerage accounts. EMGH did not receive or pay any consideration in connection with the transfer of such shares of common stock.

F1 · shares: On November 14, 2019, these common shares were transferred from the investment accounts of certain former, inactive, or non-participating partners partners in EMG Holdings, L.P. ("EMGH") to such partners' respective brokerage accounts. EMGH did not receive or pay any consideration in connection with the transfer of such shares of common stock.

F2 · ownership.nature: Represents common shares held directly by EMGH, and indirectly by VC Investments L.L.C., or "VC," and Michael W. Vranos. Each of EMGH, VC, and Mr. Vranos has shared voting and dispositive power over these shares. VC is the general partner of EMGH. Mr. Vranos is the managing member of, and holds a controlling interest in VC. Each of VC, EMGH and Mr. Vranos disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein.

SEC source: 0001628280-19-011693 · wf-form4_156839848498899.xml · nonDerivative · entry 1

SIMON RONALD I · CIK 0001060435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,517

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 10, 2020.

F2 · balance_after: Excludes 3,286 common shares previously owned directly which were transferred to the Simon Family Trust (the "Trust") on September 12, 2019.

SEC source: 0001628280-19-011689 · wf-form4_156839840781057.xml · nonDerivative · entry 1

Allardice Robert B. III · CIK 0001446359 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,281

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 10, 2020.

SEC source: 0001628280-19-011690 · wf-form4_156839842901769.xml · nonDerivative · entry 1

ROBARDS THOMAS F · CIK 0001185488 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,281

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 10, 2020.

SEC source: 0001628280-19-011691 · wf-form4_156839844862071.xml · nonDerivative · entry 1

Miller David · CIK 0001577126 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,281

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 10, 2020.

F2 · ownership.direct: 10,000 shares purchased in open market transactions are held in a joint account with spouse.

SEC source: 0001628280-18-015100 · wf-form4_154474080152623.xml · nonDerivative · entry 1

Smernoff Chris · CIK 0001732958 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,937

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Financial Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 1,180 of the Common Shares will vest, subject to certain limitations, on December 11, 2019, and the remaining 1,179 of the Common Shares will vest, subject to certain limitations, on December 11, 2020.

SEC source: 0001628280-18-015101 · wf-form4_154474082948014.xml · nonDerivative · entry 1

Herlihy John · CIK 0001734053 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,873

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as the Company's Chief Operating Officer, under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. 1,937 of the Common Shares will vest, subject to certain limitations, on December 11, 2019, and the remaining 1,936 of the Common Shares will vest, subject to certain limitations, on December 11, 2020.

SEC source: 0000899243-18-029658 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,103,257

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.04 to $11.07, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029658 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,098,836

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.97 to $11.07, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029516 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,093,026

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.80 to $10.99, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029516 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,047,900

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.87 to $11.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029516 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,041,501

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.74 to $10.95, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029058 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,031,741

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.74 to $10.84, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029058 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,027,740

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.78 to $10.90, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-029058 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,012,829

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.76 to $10.83, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0001628280-18-011876 · wf-form4_153695590389032.xml · nonDerivative · entry 1

SIMON RONALD I · CIK 0001060435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,047

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 11, 2019.

F2 · balance_after: Excludes 2,494 Common Shares previously owned directly which were transferred to the Simon Family Trust (the "Trust") on September 13, 2018.

SEC source: 0001628280-18-011872 · wf-form4_153695578889489.xml · nonDerivative · entry 1

Allardice Robert B. III · CIK 0001446359 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,525

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 11, 2019.

SEC source: 0001628280-18-011875 · wf-form4_153695586692002.xml · nonDerivative · entry 1

ROBARDS THOMAS F · CIK 0001185488 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,525

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 11, 2019.

SEC source: 0001628280-18-011873 · wf-form4_153695582492660.xml · nonDerivative · entry 1

Miller David · CIK 0001577126 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,525

F1 · price: The common shares of beneficial interest (the "Common Shares") were granted to the Reporting Person as an independent trustee under the Ellington Residential Mortgage REIT 2013 Equity Incentive Plan. The Common Shares will vest, subject to certain limitations, on September 11, 2019.

F2 · ownership.direct: 10,000 shares purchased in open market transactions are held in a joint account with spouse.

SEC source: 0000899243-18-023089 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 3,005,829

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.60 to $11.70, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022735 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,998,226

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.49 to $11.50, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022735 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,996,929

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.33 to $11.50, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022735 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,979,130

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.26 to $11.39, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022375 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,964,405

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.22 to $11.28, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022375 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,951,681

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.14 to $11.275, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-022375 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,935,213

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.18 to $11.25, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014725 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,924,523

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.38 to $11.58, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014725 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,917,584

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.49 to $11.65, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014725 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,909,679

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.57 to $11.65, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014301 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,905,079

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.51 to $11.60, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014301 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,900,249

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.40 to $11.575, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-014301 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,889,438

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.32 to $11.47, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0001628280-18-007160 · wf-form4_152719280437555.xml · nonDerivative · entry 2

SIMON RONALD I · CIK 0001060435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,255

F1 · price: This transaction was executed in multiple trades at prices ranging from $11.46 to $11.49. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. All purchases pursuant to this transaction were made pursuant to a 10b5-1 trading plan adopted by the reporting person.

SEC source: 0000899243-18-013841 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,877,923

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.35 to $11.50, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0001628280-18-007160 · wf-form4_152719280437555.xml · nonDerivative · entry 1

SIMON RONALD I · CIK 0001060435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,031

SEC source: 0000899243-18-013841 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,870,669

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.24 to $11.35, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-013841 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,862,053

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.175 to $11.30, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-013443 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,847,921

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.12 to $11.22, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-013443 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,839,101

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.13 to $11.21, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-013443 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,831,001

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.18 to $11.27, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-012985 · doc4.xml · nonDerivative · entry 3

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,815,507

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.20 to $11.26, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-012985 · doc4.xml · nonDerivative · entry 2

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,805,907

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.21 to $11.29, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.

SEC source: 0000899243-18-012985 · doc4.xml · nonDerivative · entry 1

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

Blackstone Tactical Opportunities EARN Holdings L.L.C. · CIK 0001575483 · 10% owner

BTO EARN Manager L.L.C. · CIK 0001575479 · 10% owner

BTOA L.L.C. · CIK 0001575478 · 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: 2,793,998

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.91 to $11.20, inclusive. The Reporting Persons undertake to provide to Ellington Residential Mortgage REIT (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

F2 · ownership.nature: These shares represent common shares of beneficial interest, $0.01 par value per share ("Common Shares") of the Issuer that are directly held by Blackstone Tactical Opportunities EARN Holdings L.L.C. ("EARN Holdings").

F3 · ownership.nature: BTO EARN Manager L.L.C. is the managing member of EARN Holdings. BTOA L.L.C. is the sole member of BTO EARN Manager L.L.C. Blackstone Holdings III L.P. is the managing member of BTOA L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P.

F4 · ownership.nature: 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 wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. As a result of his control of Blackstone Group Management L.L.C., Mr. Schwarzman may be deemed to have voting and investment power with respect to the Common Shares held by EARN Holdings.

F5 · ownership.nature: Each of such Blackstone entities and Mr. Schwarzman may be deemed to beneficially own the shares beneficially owned by EARN Holdings directly or indirectly controlled by it or him, but each (other than EARN Holdings to the extent of its direct holdings) disclaims beneficial ownership of such shares, 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.