META

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 17

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 188,849

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F22 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.525 to $180.165 per share, inclusive. 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.

F21 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 16

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 189,702

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F20 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.44 to $179.03 per share, inclusive. 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.

F21 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 15

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 147,066

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F19 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.705 to $183.08 per share, inclusive. 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.

F17 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 147,472

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.43 to $182.135 per share, inclusive. 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.

F17 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 147,951

F15 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.15 to $180.065 per share, inclusive. 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.

F17 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 0

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.345 to $183.215 per share, inclusive. 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.

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 4,346

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.345 to $182.34 per share, inclusive. 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.

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 7,568

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.28 to $181.225 per share, inclusive. 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.

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 10,317

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.25 to $180.245 per share, inclusive. 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.

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 15,886

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.235 to $179.23 per share, inclusive. 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.

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 17,500

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

F9 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 6,932,890

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.00 to $183.415 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 6,936,677

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.00 to $182.995 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 6,958,610

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.00 to $181.96 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 6,974,525

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.99 to $180.95 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 6,991,668

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.99 to $179.985 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029124 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,016,683

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.98 to $178.96 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029200 · form4.xml · derivative · entry 10

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 55,000 shares

Expires not disclosed

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

F11 · 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.

F13 · shares: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F11 · 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.

F11 · 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.

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

SEC source: 0001127602-19-029200 · form4.xml · derivative · entry 9

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 55,000

Underlying: Class A Common Stock · 55,000 shares

Expires not disclosed

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

F11 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F11 · 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.

F11 · 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.

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

SEC source: 0001127602-19-029200 · form4.xml · derivative · entry 8

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 110,000

Underlying: Class B Common Stock · 55,000 shares

Expires 2020-10-18

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

F10 · derivative.exercise_date: The option vests as to (a) 260,000 shares in equal monthly installments over 48 months, beginning on May 1, 2013 and then (b) the remaining 940,000 shares vest in equal monthly installments over the following 12 months, subject to continued service through each vesting date.

F11 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.

F12 · ownership.nature: Options held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 7

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,362,683

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

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.005 to $183.28 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 6

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,364,494

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

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.00 to $182.995 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 5

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,378,465

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

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.00 to $181.9950 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 4

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,388,017

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

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.00 to $180.995 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 3

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,398,642

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

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.98 to $179.96 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 2

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,414,316

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

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.97 to $178.95 per share, inclusive. 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.

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

SEC source: 0001127602-19-029200 · form4.xml · nonDerivative · entry 1

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,417,683

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 · shares: Represents the number of shares that were acquired upon the conversion of Class B Common Stock to Class A Common Stock in connection with the exercise of the stock option listed in Table II.

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

SEC source: 0001127602-19-029122 · form4.xml · derivative · entry 24

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 356,993,621

Underlying: Class A Common Stock · 18,159 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.

F26 · 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.

F26 · 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.

F26 · 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.

F26 · 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 23

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 148,816

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 22

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 148,938

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F25 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.64 to $187.05 per share, inclusive. 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.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 21

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 149,264

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F24 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.565 to $186.335 per share, inclusive. 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.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 20

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 149,694

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F23 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.525 to $184.665 per share, inclusive. 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.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 19

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 149,880

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 18

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 149,980

F20 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F21 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.99 to $181.76 per share, inclusive. 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.

F22 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 17

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 0

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F19 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.925 to $188.00 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 273

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F18 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.86 to $187.645 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 2,669

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F17 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.765 to $186.755 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 7,396

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F16 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.72 to $185.71 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 10,003

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F15 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.655 to $184.645 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 10,690

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.595 to $183.115 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 10,992

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F13 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.46 to $182.415 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 14,179

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.46 to $181.42 per share, inclusive. 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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 18,159

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.

F11 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,022,890

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.74 to $188.005 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,025,406

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.70 to $187.65 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,039,783

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.70 to $186.695 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,060,443

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.70 to $185.69 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,072,773

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.69 to $184.68 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,076,097

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.565 to $183.44 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-19-029122 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 7,079,149

F1 · kind: The sales reported were effected by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation") and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.525 to $182.47 per share, inclusive. 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.

F3 · ownership.nature: Shares held of record by CZ Foundation. The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.