META

SEC source: 0000950103-24-001541 · dp206049_4-zuckerberg129.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: 44,254

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 $395.69 to $396.63 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: 0000950103-24-001541 · dp206049_4-zuckerberg129.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: 44,470

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.

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: 0000950103-24-001541 · dp206049_4-zuckerberg129.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: 44,570

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 $393.32 to $393.84 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 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: 0000950103-24-001541 · dp206049_4-zuckerberg129.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: 44,770

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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · derivative · entry 19

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: 3,994,816

Underlying: Class A Common Stock · 4,800 shares

Expires not disclosed

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

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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · derivative · entry 18

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: 1,515,408

Underlying: Class A Common Stock · 11,976 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 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 369,401

F14 · 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 $396.39 to $396.40 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.

F16 · 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 369,501

F14 · 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 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $395.38 to $396.28 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.

F16 · 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · nonDerivative · entry 15

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: 370,656

F14 · 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.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $394.38 to $395.34 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.

F16 · 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · nonDerivative · entry 14

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: 371,206

F14 · 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.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $393.38 to $394.275 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.

F16 · 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · nonDerivative · entry 13

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: 371,698

F14 · 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.

F15 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $392.34 to $393.24 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.

F16 · 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 0

F9 · 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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 100

F9 · 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 $395.46 to $396.35 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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 2,100

F9 · 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 $394.40 to $395.38 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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 3,150

F9 · 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.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $393.19 to $394.085 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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · nonDerivative · entry 8

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: 3,924

F9 · 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 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $392.10 to $392.96 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.

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.xml · nonDerivative · entry 7

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: 4,800

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

F8 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust").

SEC source: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 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.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $395.845 to $396.70 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 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 3,188

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 $394.82 to $395.78 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 6,808

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 $393.81 to $394.635 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 8,981

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 $392.64 to $393.60 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 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 11,077

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 $391.64 to $392.60 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 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: 0000950103-24-001253 · dp205814_4-zuckerberg0126.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: 11,976

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · derivative · entry 27

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: 3,999,616

Underlying: Class A Common Stock · 4,800 shares

Expires not disclosed

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

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · derivative · entry 26

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: 1,527,384

Underlying: Class A Common Stock · 11,976 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 25

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: 372,306

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 24

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: 372,356

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 $393.91 to $394.845 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 23

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: 372,956

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 $392.90 to $393.61 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 373,789

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 $391.85 to $392.82 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 374,689

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 $390.77 to $391.70 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 375,061

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 $388.935 to $389.905 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 375,161

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 18

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 $394.98 to $395.00 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 17

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: 200

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 $393.76 to $394.72 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 1,187

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 $392.67 to $393.54 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 2,970

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 $391.66 to $392.63 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 4,082

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 $390.6275 to $391.59 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 4,550

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 $389.58 to $389.91 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 4,700

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 4,750

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 4,800

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

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

SEC source: 0000950103-24-001251 · dp205813_4-zuckerberg0125.xml · nonDerivative · entry 9

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 $395.08 to $395.41 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 279

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 $393.83 to $394.80 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 2,916

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 $392.765 to $393.66 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 6,412

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 $391.765 to $392.74 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 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 9,999

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 $390.76 to $391.67 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 11,299

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 $389.72 to $390.71 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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 11,676

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 $388.62 to $388.93 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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 11,876

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.

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: 0000950103-24-001251 · dp205813_4-zuckerberg0125.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: 11,976

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.