XYZ

SEC source: 0001209191-17-022642 · doc4.xml · derivative · entry 5

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 272,500

Underlying: Class A Common Stock · 57,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-022642 · doc4.xml · nonDerivative · entry 4

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F7 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

F8 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $16.43 to $17.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-022642 · doc4.xml · nonDerivative · entry 3

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 323,750

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

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-022642 · doc4.xml · nonDerivative · entry 2

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

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

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $16.44 to $17.27 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-022642 · doc4.xml · nonDerivative · entry 1

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,750

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-022249 · doc4.xml · derivative · entry 4

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,841,251

Underlying: Class A Common Stock · 90,000 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.

F4 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-022249 · doc4.xml · nonDerivative · entry 2

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,785

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $17.19 to $17.34 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001209191-17-022249 · doc4.xml · nonDerivative · entry 1

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,730

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001209191-17-019554 · doc4.xml · derivative · entry 6

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,611,556

Underlying: Class A Common Stock · 323,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-019554 · doc4.xml · derivative · entry 5

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 330,250

Underlying: Class A Common Stock · 57,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-019554 · doc4.xml · nonDerivative · entry 4

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F7 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

F8 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $16.51 to $16.90 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-019554 · doc4.xml · nonDerivative · entry 3

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 323,750

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

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-019554 · doc4.xml · nonDerivative · entry 2

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

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

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $16.55 to $16.88 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-019554 · doc4.xml · nonDerivative · entry 1

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,750

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0000899243-17-006250 · doc4.xml · derivative · entry 13

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 28,522,780

Underlying: Class A Common Stock · 9,300,000 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.

F10 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F10 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 10

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,670,271

F7 · kind: On March 2, 2017, 818,181 shares of Class A Common Stock held by KVA III were distributed to the members of KVA III.

F9 · ownership.nature: Consists of securities held of record by VK Services. Vinod Khosla is the managing member of VK Services. Each of VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 9

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F7 · kind: On March 2, 2017, 818,181 shares of Class A Common Stock held by KVA III were distributed to the members of KVA III.

F8 · ownership.nature: Consists of securities held of record by KVA III. Vinod Khosla is the managing member of VK Services, which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 8

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 818,181

F6 · kind: On March 2, 2017, 9,000,000 shares of Class A Common Stock held by KV III were distributed to the limited partners and general partners of KV III.

F8 · ownership.nature: Consists of securities held of record by KVA III. Vinod Khosla is the managing member of VK Services, which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 7

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F6 · kind: On March 2, 2017, 9,000,000 shares of Class A Common Stock held by KV III were distributed to the limited partners and general partners of KV III.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 6

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,000,000

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $17.00 to $17.31, inclusive. Each reporting person undertakes to provide Square, Inc., any security holder of Square, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (5) to this Form 4.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 5

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,300,000

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

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F1 · price: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · derivative · entry 12

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 37,822,780

Underlying: Class A Common Stock · 400,000 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.

F10 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F10 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 4

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $17.06 to $17.58, inclusive. Each reporting person undertakes to provide Square, Inc., any security holder of Square, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 3

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 400,000

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

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · derivative · entry 11

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 38,222,780

Underlying: Class A Common Stock · 300,000 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.

F10 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F10 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 2

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $17.27 to $17.79, inclusive. Each reporting person undertakes to provide Square, Inc., any security holder of Square, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-006250 · doc4.xml · nonDerivative · entry 1

Khosla Ventures III, L.P. · CIK 0001471809 · 10% owner

Khosla Ventures Associates III, LLC · CIK 0001501934 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 300,000

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

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F1 · price: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures III, LP ("KV III"), of which Khosla Ventures Associates III, LLC ("KVA III") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA III. Each of KVA III, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities, and each of KVA III, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-014653 · doc4.xml · derivative · entry 5

Brougher Francoise · CIK 0001658465 · Business Lead

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 115,385 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.

F5 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-014653 · doc4.xml · derivative · entry 4

Brougher Francoise · CIK 0001658465 · Business Lead

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,385

Underlying: Class A Common Stock · 115,385 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.

F5 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-014653 · doc4.xml · derivative · entry 3

Brougher Francoise · CIK 0001658465 · Business Lead

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,134,615

Underlying: Class B Common Stock · 115,385 shares

Expires 2023-05-31

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

F4 · derivative.exercise_date: 25% of the shares subject to the option vested on May 6, 2014, and 1/48 of the shares vest monthly thereafter.

F5 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-014653 · doc4.xml · nonDerivative · entry 2

Brougher Francoise · CIK 0001658465 · Business Lead

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,981

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $16.74 to $17.01 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001209191-17-014653 · doc4.xml · nonDerivative · entry 1

Brougher Francoise · CIK 0001658465 · Business Lead

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,366

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001209191-17-013758 · doc4.xml · derivative · entry 6

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,935,306

Underlying: Class A Common Stock · 323,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-013758 · doc4.xml · derivative · entry 5

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 388,000

Underlying: Class A Common Stock · 57,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-013758 · doc4.xml · nonDerivative · entry 4

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F7 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

F8 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.35 to $14.65 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-013758 · doc4.xml · nonDerivative · entry 3

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 323,750

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

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-013758 · doc4.xml · nonDerivative · entry 2

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

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

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.35 to $14.64 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-013758 · doc4.xml · nonDerivative · entry 1

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,750

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-011152 · doc4.xml · derivative · entry 6

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,931,251

Underlying: Class A Common Stock · 90,000 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.

F4 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-011152 · doc4.xml · nonDerivative · entry 4

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,730

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.03 to $14.49 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001209191-17-011152 · doc4.xml · nonDerivative · entry 3

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,730

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001209191-17-011152 · doc4.xml · derivative · entry 5

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,021,251

Underlying: Class A Common Stock · 339,443 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.

F4 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F4 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-011152 · doc4.xml · nonDerivative · entry 2

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,730

SEC source: 0001209191-17-011152 · doc4.xml · nonDerivative · entry 1

McKelvey James Morgan Jr. · CIK 0001658460 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 435,173

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

SEC source: 0001209191-17-009205 · doc4.xml · derivative · entry 6

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 58,259,056

Underlying: Class A Common Stock · 323,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-009205 · doc4.xml · derivative · entry 5

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 445,750

Underlying: Class A Common Stock · 57,750 shares

Expires not disclosed

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

F9 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-009205 · doc4.xml · nonDerivative · entry 4

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F7 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

F8 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.29 to $14.49 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-009205 · doc4.xml · nonDerivative · entry 3

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 323,750

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

F5 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10, for which the Reporting Person serves as Trustee.

F6 · ownership.nature: The shares are held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10.

SEC source: 0001209191-17-009205 · doc4.xml · nonDerivative · entry 2

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

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

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.29 to $14.45 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.

SEC source: 0001209191-17-009205 · doc4.xml · nonDerivative · entry 1

Dorsey Jack · CIK 0001590945 · Director · President, CEO & Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,750

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by Start Small, LLC for which the Reporting Person is the sole member.

F2 · ownership.nature: The shares are held of record by Start Small, LLC.