META

SEC source: 0000950103-23-017927 · dp204404_4-zuckerberg1221.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 27,741

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.24 to $350.23 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017927 · dp204404_4-zuckerberg1221.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 29,905

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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · derivative · entry 23

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 4,131,741

Underlying: Class A Common Stock · 11,706 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.

F25 · 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.

F25 · 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.

F25 · 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.

F25 · 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.

F10 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · derivative · entry 22

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 1,857,180

Underlying: Class A Common Stock · 29,166 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.

F25 · 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.

F25 · 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.

F25 · 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.

F25 · 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 21

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 445,088

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F24 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.42 to $354.24 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 20

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 446,114

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F23 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.39 to $353.365 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 19

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 448,424

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F22 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.30 to $352.29 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 18

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 449,128

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F21 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.165 to $351.105 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 17

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 449,878

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F20 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.09 to $350.08 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 16

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 450,675

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 0

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.19 to $354.505 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 335

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.18 to $354.00 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 2,796

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F15 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.16 to $353.14 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 6,597

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.10 to $352.06 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 8,761

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.00 to $350.86 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 10,630

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.64 to $349.625 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 11,706

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

SEC source: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 0

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.20 to $354.36 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 500

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.19 to $354.17 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 6,289

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.19 to $353.18 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 17,298

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.18 to $352.17 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 21,387

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.145 to $351.025 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 25,085

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.11 to $350.09 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 28,087

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.10 to $349.05 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017757 · dp204257_4-zuckerberg1220.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 29,166

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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · derivative · entry 24

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 4,143,447

Underlying: Class A Common Stock · 11,975 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.

F25 · 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.

F25 · 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.

F25 · 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.

F25 · 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.

F10 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · derivative · entry 23

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 1,886,346

Underlying: Class A Common Stock · 22,256 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.

F25 · 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.

F25 · 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.

F25 · 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.

F25 · 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 22

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 450,725

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F24 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.34 to $353.16 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 21

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 451,325

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F23 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.32 to $352.29 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 20

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 452,527

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F22 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.31 to $351.26 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 19

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 455,131

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F21 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.30 to $350.29 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 18

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 456,348

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F20 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $347.875 to $348.43 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.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 17

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Advocacy

Disclosed balance after: 456,485

F18 · kind: The sales reported were effected by Chan Zuckerberg Initiative Advocacy ("CZI Advocacy") pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F19 · ownership.nature: Shares held of record by CZI Advocacy. The reporting person is deemed to have voting and investment power over the shares held by CZI Advocacy, but has no pecuniary interest in these shares.

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 16

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 0

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.91 to $353.19 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 250

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.875 to $352.80 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 1,966

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F15 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.82 to $351.80 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 5,307

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.81 to $350.795 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 11,086

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.71 to $349.67 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 11,486

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $347.68 to $348.365 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 Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 11,875

F11 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of the 2006 Trust pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F10 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 11,975

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

SEC source: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 0

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.40 to $353.23 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 3,034

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $351.38 to $352.37 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 7,747

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $350.35 to $351.32 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 22,117

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.35 to $350.34 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 28,610

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.20 to $348.94 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 29,210

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $347.00 to $347.92 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 29,605

F2 · kind: The sales reported were effected by the CZI Foundation pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on July 31, 2023.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $345.40 to $345.65 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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017756 · dp204229_4-zuckerberg1219.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Chan Zuckerberg Initiative Foundation

Disclosed balance after: 29,905

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 the Chan Zuckerberg Initiative Foundation ("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: 0000950103-23-017795 · dp204218_4-newstead.xml · nonDerivative · entry 1

Newstead Jennifer · CIK 0001780525 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,116

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 3, 2023.