META

SEC source: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,122,408

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F15 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $262.945 to $263.925 per share. The holder 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.

F13 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,123,019

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $261.59 to $262.50 per share. The holder 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.

F13 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,125,674

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $260.585 to $261.56 per share. The holder 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.

F13 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 10

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

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.395 to $269.98 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 768

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.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: 1,375

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.20 to $268.10 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.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: 1,858

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $265.91 to $266.905 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.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: 6,825

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $264.875 to $265.73 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 10,099

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $263.875 to $264.845 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 14,816

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $262.76 to $263.725 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 16,582

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $261.76 to $262.60 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 21,509

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $260.75 to $261.74 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002724 · dp146540_4-zuckerberg0219.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 29,000

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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · derivative · entry 20

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 Trust Dated July 7, 2006

Disclosed balance after: 5,511,748

Underlying: Class A Common Stock · 4,750 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.

F21 · 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.

F21 · 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.

F21 · 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.

F21 · 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · derivative · 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: 353,590,977

Underlying: Class A Common Stock · 29,000 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.

F21 · 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.

F21 · 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.

F21 · 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.

F21 · 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 18

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 Trust Dated July 7, 2006

Disclosed balance after: 0

F16 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 17

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 Trust Dated July 7, 2006

Disclosed balance after: 169

F16 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F20 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.35 to $270.315 per share. The holder 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 16

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 Trust Dated July 7, 2006

Disclosed balance after: 1,154

F16 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F19 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.285 to $269.175 per share. The holder 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 15

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 Trust Dated July 7, 2006

Disclosed balance after: 2,483

F16 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.23 to $268.15 per share. The holder 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 14

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 Trust Dated July 7, 2006

Disclosed balance after: 4,215

F16 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $266.225 to $267.215 per share. The holder 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.

F15 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 13

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 Trust Dated July 7, 2006

Disclosed balance after: 4,750

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 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,127,839

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.20 to $270.85 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,128,746

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.175 to $270.09 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,130,743

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.17 to $269.15 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,134,043

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.17 to $268.145 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,137,557

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $266.135 to $267.12 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002722 · dp146539_4-zuckerberg0218.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: 0

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.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: 31

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.25 to $270.84 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 3,061

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.25 to $270.15 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 9,132

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.25 to $269.22 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 15,788

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.20 to $268.12 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 25,697

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $266.18 to $267.09 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002722 · dp146539_4-zuckerberg0218.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 29,000

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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002717 · dp146464_4-taylor.xml · nonDerivative · entry 1

Taylor Susan J.S. · CIK 0001541774 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,147

F1 · kind: The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0000950103-21-002474 · dp146236_4-wehner.xml · nonDerivative · entry 12

Wehner David M. · CIK 0001534965 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 5,742

F5 · kind: The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person's spouse.

F3 · ownership.nature: The Reporting Person disclaims Section 16 beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · derivative · entry 17

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 Trust Dated July 7, 2006

Disclosed balance after: 5,516,498

Underlying: Class A Common Stock · 4,750 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.

F20 · 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.

F20 · 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.

F20 · 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.

F20 · 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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · derivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 353,619,977

Underlying: Class A Common Stock · 29,000 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.

F20 · 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.

F20 · 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.

F20 · 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.

F20 · 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 15

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 Trust Dated July 7, 2006

Disclosed balance after: 0

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F19 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.155 to $273.815 per share. The holder 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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 14

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 Trust Dated July 7, 2006

Disclosed balance after: 926

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $272.09 to $272.98 per share. The holder 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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 13

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 Trust Dated July 7, 2006

Disclosed balance after: 2,650

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $271.05 to $272.035 per share. The holder 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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.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 Trust Dated July 7, 2006

Disclosed balance after: 4,202

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to its Rule 10b5-1 trading plan.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.805 to $270.75 per share. The holder 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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.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 Trust Dated July 7, 2006

Disclosed balance after: 4,750

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.

F14 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,138,839

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.08 to $273.66 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,140,811

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $272.03 to $272.99 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,145,886

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.875 to $271.785 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,148,633

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Initiative Foundation ("CZI Foundation"), formerly known as the Chan Zuckerberg Foundation, pursuant to its Rule 10b5-1 trading plan.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.79 to $270.71 per share. The holder 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.

F10 · ownership.nature: Shares held of record by CZI Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZI Foundation, but has no pecuniary interest in these shares.

SEC source: 0000950103-21-002521 · dp146340_4-zuckerberg0217.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: 0

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.72 to $273.82 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 1,165

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $272.705 to $273.70 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 9,088

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $271.705 to $272.69 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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: 0000950103-21-002521 · dp146340_4-zuckerberg0217.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 19,631

F2 · kind: The sales reported were effected by CZI pursuant to its Rule 10b5-1 trading plan.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.705 to $271.70 per share. The holder 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("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.