MARKS MICHAEL E

SEC source: 0000899243-21-011660 · doc4.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,114,142

F3 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $54.70 to $55.53. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011660 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,136,302

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $53.70 to $54.6950. The reporting person undertakes to provide Berkeley Lights, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011181 · doc4.xml · nonDerivative · entry 5

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,142,402

F6 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $53.06 to $54.03. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011181 · doc4.xml · nonDerivative · entry 4

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,196,592

F5 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $52.06 to $53.05. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011181 · doc4.xml · nonDerivative · entry 3

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,242,402

F4 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $54.57 to $54.65. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011181 · doc4.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,242,702

F3 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $53.54 to $54.48. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-011181 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,257,940

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $52.54 to $53.5347. The reporting person undertakes to provide Berkeley Lights, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-010221 · doc4.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,272,402

F3 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $62.12 to $62.25. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-010221 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 1,272,907

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $61.00 to $61.77. The reporting person undertakes to provide Berkeley Lights, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-009691 · doc4.xml · nonDerivative · entry 4

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Family Trust

Disclosed balance after: 1,274,142

F5 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $62.75 to $63.72. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · balance_after: Reflects receipt of 1,314,142 shares received in a pro rata distribution in kind, which was exempt from reporting under Rule 16a-9.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-009691 · doc4.xml · nonDerivative · entry 3

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Family Trust

Disclosed balance after: 1,275,924

F4 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $62.75 to $63.72. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · balance_after: Reflects receipt of 1,314,142 shares received in a pro rata distribution in kind, which was exempt from reporting under Rule 16a-9.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-009691 · doc4.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Family Trust

Disclosed balance after: 1,282,134

F3 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $61.74 to $62.71. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · balance_after: Reflects receipt of 1,314,142 shares received in a pro rata distribution in kind, which was exempt from reporting under Rule 16a-9.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-009691 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Family Trust

Disclosed balance after: 1,294,142

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $61.195 to $62.60. The reporting person undertakes to provide Berkeley Lights, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · balance_after: Reflects receipt of 1,314,142 shares received in a pro rata distribution in kind, which was exempt from reporting under Rule 16a-9.

F2 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-20-034553 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,700,007

F1 · ownership.nature: Following the transactions reported herein, consists of 2,860,225 shares held by Walden Riverwood Ventures, L.P. ("Walden") and 839,782 shares held by WRV II, L.P. ("WRV II"). Mr. Marks is a member of the investment committee of Walden Riverwood GP, LLC ("Walden GP"), which is the general partner of Walden. Mr. Marks is a member of the investment committee of WRV GP II, LLC ("WRV GP"), which is the general partner of WRV II. As a result, Mr. Marks may be deemed to beneficially own the shares held by Walden and WRV II. Mr. Marks disclaims beneficial ownership of the shares held by Walden and WRVII except to the extent of his pecuniary interest therein. Walden and WRV II are filing separate statements of changes in beneficial ownership on Forms 4.

SEC source: 0000899243-20-032132 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,755,169

F1 · ownership.nature: Following the transactions reported herein, consists of 2,902,867 shares held by Walden Riverwood Ventures, L.P. ("Walden") and 852,302 shares held by WRV II, L.P. ("WRV II"). Mr. Marks is a member of the investment committee of Walden Riverwood GP, LLC ("Walden GP"), which is the general partner of Walden. Mr. Marks is a member of the investment committee of WRV GP II, LLC ("WRV GP"), which is the general partner of WRV II. As a result, Mr. Marks may be deemed to beneficially own the shares held by Walden and WRV II. Mr. Marks disclaims beneficial ownership of the shares held by Walden and WRVII except to the extent of his pecuniary interest therein. Walden and WRV II are filing separate statements of changes in beneficial ownership on Forms 4.

SEC source: 0000899243-20-019727 · doc4.xml · derivative · entry 7

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 0

Underlying: Common Stock · 19,230 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F3 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-20-019727 · doc4.xml · derivative · entry 6

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 191,655 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F5 · ownership.nature: Mr. Marks is a member of the investment committee of WRV GP, which is the general partner of WRV II. As a result, Mr. Marks may be deemed to beneficially own the shares held by the WRV II. Mr. Marks disclaims beneficial ownership of the shares held by WRV II and Walden except to the extent of his pecuniary interest therein. WRV II and Walden are filing separate statements of initial change in beneficial ownership on Forms 4.

SEC source: 0000899243-20-019727 · doc4.xml · derivative · entry 5

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 742,942 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F5 · ownership.nature: Mr. Marks is a member of the investment committee of WRV GP, which is the general partner of WRV II. As a result, Mr. Marks may be deemed to beneficially own the shares held by the WRV II. Mr. Marks disclaims beneficial ownership of the shares held by WRV II and Walden except to the extent of his pecuniary interest therein. WRV II and Walden are filing separate statements of initial change in beneficial ownership on Forms 4.

SEC source: 0000899243-20-019727 · doc4.xml · derivative · entry 4

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 853,242 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F4 · ownership.nature: Mr. Marks is a member of the investment committee of Walden GP, which is the general partner of Walden. As a result, Mr. Marks may be deemed to beneficially own the shares held by Walden. Mr. Marks disclaims beneficial ownership of the shares held by Walden except to the extent of his pecuniary interest therein. Walden and Walden GP are filing separate statements of change in beneficial ownership on Forms 4.

SEC source: 0000899243-20-019727 · doc4.xml · derivative · entry 3

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,329,916 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F4 · ownership.nature: Mr. Marks is a member of the investment committee of Walden GP, which is the general partner of Walden. As a result, Mr. Marks may be deemed to beneficially own the shares held by Walden. Mr. Marks disclaims beneficial ownership of the shares held by Walden except to the extent of his pecuniary interest therein. Walden and Walden GP are filing separate statements of change in beneficial ownership on Forms 4.

SEC source: 0000899243-20-019727 · doc4.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Marks Family Trust

Disclosed balance after: 19,230

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F3 · ownership.nature: As trustee of the Marks Family Trust (the "Trust"), Mr. Marks may be deemed to beneficially own the shares held by the Trust. Mr. Marks disclaims beneficial ownership of the shares held by the Trust except to the extent of his pecuniary interest therein.

SEC source: 0000899243-20-019727 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,117,755

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Preferred Stock automatically converted on a one-for-one basis into Common stock upon the closing of the Issuer's initial public offering

F2 · ownership.nature: Following the transactions reported herein, consists of 3,183,158 shares held by Walden Riverwood Ventures, L.P. ("Walden") and 934,597 shares held by WRV II, L.P. ("WRV II"). Mr. Marks is a member of the investment committee of Walden Riverwood GP, LLC ("Walden GP"), which is the general partner of Walden. Mr. Marks is a member of the investment committee of WRV GP II, LLC ("WRV GP"), which is the general partner of WRV II. As a result, Mr. Marks may be deemed to beneficially own the shares held by Walden and WRV II. Mr. Marks disclaims beneficial ownership of the shares held by Walden and WRVII except to the extent of his pecuniary interest therein. Walden and WRV II are filing separate statements of changes in beneficial ownership on Forms 4.

SEC source: 0001127602-18-027016 · form4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 68,021

F1 · ownership.nature: Held by the Marks Family Trust UA DTD 07/07/2000, of which the reporting person is a co-trustee and a co-beneficiary.

SEC source: 0001127602-18-015778 · form4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by Marks Family Trust

Disclosed balance after: 60,021

F1 · shares: Pursuant to Schlumberger Limited Stock and Deferral Plan for Non-Employee Directors.

F2 · ownership.nature: Held by the Marks Family Trust UA DTD 07/07/2000, of which the reporting person is a co-trustee and a co-beneficiary. Includes stock previously held by limited liability companies controlled by the reporting person.

SEC source: 0001127602-18-035015 · form4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 84,205

F1 · ownership.nature: Held by the Marks Family Trust UA DTD 07/07/2000, of which the reporting person is a co-trustee and a co-beneficiary.

SEC source: 0001127602-17-025594 · form4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by trust

Disclosed balance after: 18,000

F1 · price: This transaction was executed in multiple trades at prices ranging from $64.199 to $64.2000. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff or a security holder of the issuer, full information regarding the number of shares and prices at which the trades were effected.

F2 · ownership.nature: Held by the Marks Family Trust UA DTD 07/07/2000, of which the reporting person is a co-trustee and a co-beneficiary.

SEC source: 0001127602-17-016100 · form4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by limited liability company

Disclosed balance after: 39,250

F1 · shares: Pursuant to Schlumberger Limited Stock and Deferral Plan for Non-Employee Directors.

F2 · ownership.nature: All held by Epping LLC or WB Investors LLC, both of which are controlled by the reporting person.

SEC source: 0001209191-17-013554 · doc4.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,401

F1 · price: The price reported is a weighted average price. These shares of Class A Common Stock were sold in multiple transactions at sales prices ranging from $9.185 to $9.245, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.

SEC source: 0000319201-06-000047 · edgardoc.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Unvested Restricted Stock Units forfeited upon resignation.

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 10

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2015-01-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 9

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2014-10-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 8

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2015-05-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 6

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 5

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 4

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 3

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000319201-06-000043 · edgardoc.xml · derivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

SEC source: 0000319201-06-000010 · edgardoc.xml · derivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-01-31

SEC source: 0000319201-05-000156 · edgardoc.xml · derivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2012-11-04

SEC source: 0000319201-05-000156 · edgardoc.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLAC common stock.

F2 · price: The restricted stock units will fully vest one year from date of grant and will not be deliverable until three years from the date of grant.

SEC source: 0000319201-05-000076 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2015-08-02

SEC source: 0000319201-05-000102 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2012-08-02

F1 · derivative.expiration_date: Option expiration date was reported incorrectly on the original Form 4.

SEC source: 0000319201-05-000042 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2015-05-11

SEC source: 0000319201-05-000014 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2015-01-25

SEC source: 0000319201-04-000150 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2014-10-18

SEC source: 0000319201-03-000164 · edgardoc.xml · derivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 5,000 shares

Expires 2013-11-05

SEC source: 0000319201-03-000164 · edgardoc.xml · derivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2013-11-05