META

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 22

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 0

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F24 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.86 to $148.62 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 21

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 9,560

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F23 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.86 to $147.85 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 20

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 27,560

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F22 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.86 to $146.85 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 19

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 39,999

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F21 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.83 to $145.79 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 18

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 42,483

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.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 17

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 0

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F20 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.86 to $148.61 per share, 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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 16

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 15,325

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F19 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.86 to $147.85 per share, 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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 15

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 44,335

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.86 to $146.84 per share, 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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 14

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 63,205

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.84 to $145.81 per share, 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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 13

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 67,978

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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018555 · form4.xml · nonDerivative · entry 4

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 9,691,877

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.055 to $150.21 per share, 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.

F1 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.

SEC source: 0001127602-17-018555 · form4.xml · nonDerivative · entry 3

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 9,721,790

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.06 to $150.05 per share, 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.

F1 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.

SEC source: 0001127602-17-018559 · form4.xml · nonDerivative · entry 9

Stretch Colin · CIK 0001580549 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,406

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.00 to $150.145 per share, 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: 0001127602-17-018715 · form4.xml · derivative · entry 32

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 401,546,849

Underlying: Class A Common Stock · 41,751 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.

F33 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · derivative · entry 31

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 3,663,540

Underlying: Class A Common Stock · 66,800 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.

F33 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F33 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 12

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 3 Dated 5/8/2014

Disclosed balance after: 1,039,495

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.145 to $150.16 per share, 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 11

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 3 Dated 5/8/2014

Disclosed balance after: 1,039,795

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.14 to $150.13 per share, 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 10

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 2 Dated 5/8/2014

Disclosed balance after: 943,065

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F13 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 9

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 2 Dated 5/8/2014

Disclosed balance after: 943,265

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.14 to $150.13 per share, 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.

F13 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 8

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 0

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.10 to $150.16 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 7

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 1,000

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.10 to $150.09 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 6

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 41,751

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.

F8 · ownership.nature: Shares held of record by CZI. The 2006 Trust is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 5

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 0

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.07 to $150.16 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 4

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 2,100

F5 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good, with such plan to sell or gift no more than $1 billion of Facebook stock each year through 2018.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.07 to $150.06 per share, 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 written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018715 · form4.xml · nonDerivative · entry 3

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 66,800

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.

F4 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation").

SEC source: 0001127602-17-018152 · form4.xml · derivative · entry 17

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 43,193 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.

F12 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F14 · shares: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F12 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

SEC source: 0001127602-17-018152 · form4.xml · derivative · entry 16

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,193

Underlying: Class A Common Stock · 43,193 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.

F12 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

SEC source: 0001127602-17-018152 · form4.xml · derivative · entry 15

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,386

Underlying: Class B Common Stock · 43,193 shares

Expires 2022-05-02

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.

F17 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F18 · derivative.exercise_date: The RSUs vest as to 1/16th of the total shares quarterly, beginning on February 15, 2014, subject to continued service through each vesting date.

F12 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

SEC source: 0001127602-17-018152 · form4.xml · derivative · entry 14

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,324

Underlying: Class A Common Stock · 13,029 shares

Expires 2024-03-16

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.

F15 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class A Common Stock upon settlement.

F16 · derivative.exercise_date: The RSUs vest as to 1/16th of the total shares quarterly, beginning on May 15, 2016, subject to continued service through each vesting date.

SEC source: 0001127602-17-018152 · form4.xml · nonDerivative · entry 9

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004

Disclosed balance after: 2,119,162

F8 · shares: Represents the number of shares of Class A Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F2 · ownership.nature: Shares held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.

SEC source: 0001127602-17-018152 · form4.xml · nonDerivative · entry 8

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004

Disclosed balance after: 2,141,701

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.

F9 · shares: Represents the number of shares that were acquired upon conversion of Class B Common Stock to Class A Common Stock in connection with the settlement of the Restricted Stock Units ("RSUs") listed in Table II.

F2 · ownership.nature: Shares held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.

SEC source: 0001127602-17-018152 · form4.xml · nonDerivative · entry 7

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004

Disclosed balance after: 2,098,508

F8 · shares: Represents the number of shares of Class A Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F2 · ownership.nature: Shares held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.

SEC source: 0001127602-17-018152 · form4.xml · nonDerivative · entry 6

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004

Disclosed balance after: 2,105,307

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.

F2 · ownership.nature: Shares held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.

SEC source: 0001127602-17-018540 · form4.xml · derivative · entry 2

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,533 shares

Expires 2026-07-14

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vested as to 100% of the total shares on May 15, 2017.

SEC source: 0001127602-17-018540 · form4.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Andreessen 1996 Living Trust

Disclosed balance after: 175,165

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 · ownership.nature: The reporting person and JP Morgan Chase Bank, N.A. (successor-in-interest to J.P. Morgan Trust Company, N.A.) are the trustees of The Andreessen 1996 Living Trust.

SEC source: 0001127602-17-018543 · form4.xml · derivative · entry 2

BOWLES ERSKINE B · CIK 0001257081 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,533 shares

Expires 2026-07-14

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 RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F2 · derivative.exercise_date: The RSUs vested as to 100% of the total shares on May 15, 2017.

SEC source: 0001127602-17-018543 · form4.xml · nonDerivative · entry 1

BOWLES ERSKINE B · CIK 0001257081 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,046

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: 0001127602-17-018545 · form4.xml · derivative · entry 4

Desmond-Hellmann Susan · CIK 0001507911 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,533 shares

Expires 2026-07-14

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F4 · derivative.exercise_date: The RSUs vested as to 100% of the total shares on May 15, 2017.

SEC source: 0001127602-17-018545 · form4.xml · derivative · entry 3

Desmond-Hellmann Susan · CIK 0001507911 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 417 shares

Expires 2023-04-12

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSU vests as to 1/4 of the total shares underlying the RSU on May 15, 2014 and 1/16 of the total shares underlying the RSU vest on each subsequent quarterly vesting date, subject to the continued service to the issuer through each quarterly vesting date.

SEC source: 0001127602-17-018545 · form4.xml · nonDerivative · entry 2

Desmond-Hellmann Susan · CIK 0001507911 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Hellmann Family Trust

Disclosed balance after: 27,366

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 · ownership.nature: The shares are held of record by Nicholas S. Hellmann and Susan D. Desmond-Hellmann as the co-trustees of Hellmann Family Trust.

SEC source: 0001127602-17-018545 · form4.xml · nonDerivative · entry 1

Desmond-Hellmann Susan · CIK 0001507911 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Hellmann Family Trust

Disclosed balance after: 24,833

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 · ownership.nature: The shares are held of record by Nicholas S. Hellmann and Susan D. Desmond-Hellmann as the co-trustees of Hellmann Family Trust.

SEC source: 0001127602-17-018548 · form4.xml · derivative · entry 3

HASTINGS REED · CIK 0001033331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,533 shares

Expires 2026-07-14

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vested as to 100% of the total shares on May 15, 2017.

SEC source: 0001127602-17-018548 · form4.xml · nonDerivative · entry 1

HASTINGS REED · CIK 0001033331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,608

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: 0001127602-17-018551 · form4.xml · derivative · entry 3

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,533 shares

Expires 2026-07-14

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vested as to 100% of the total shares on May 15, 2017.

SEC source: 0001127602-17-018551 · form4.xml · nonDerivative · entry 1

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,311

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: 0001127602-17-018555 · form4.xml · derivative · entry 12

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,012,510

Underlying: Class A Common Stock · 1,242,673 shares

Expires 2024-11-16

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.

F13 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class A Common Stock upon settlement.

F14 · derivative.exercise_date: The RSUs vest as to (a) 13/60th of the total shares on November 15, 2015, (b) 1/20th of the total shares each quarter thereafter through November 15, 2017, (c) 2/20th of the total shares on each of February 15, 2018, May 15, 2018 and August 15, 2018 and (d) the final 5/60th of the total shares on November 15, 2018; provided, however, that in the event of the reporting person's termination of employment with the issuer under certain circumstances, all of the reporting person's then unvested RSUs shall vest as of the date of such termination of employment.

SEC source: 0001127602-17-018555 · form4.xml · nonDerivative · entry 2

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 10,286,123

F2 · shares: Represents the number of shares of Class A Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") listed in Table II and does not represent a sale by the reporting person.

F1 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.

SEC source: 0001127602-17-018555 · form4.xml · nonDerivative · entry 1

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 10,934,550

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 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.

SEC source: 0001127602-17-018556 · form4.xml · derivative · entry 23

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 34,122 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.

F10 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F11 · shares: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

SEC source: 0001127602-17-018556 · form4.xml · derivative · entry 22

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,122

Underlying: Class A Common Stock · 34,122 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.

F10 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.