OKTA

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 13

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 1,234

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $24.96 to $25.955, inclusive. Each reporting person undertakes to provide Okta, Inc., any security holder of Okta, 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 (11) to this Form 4.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 12

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 18,027

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.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 11

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $25.96 to $26.25, inclusive. Each reporting person undertakes to provide Okta, Inc., any security holder of Okta, 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 (10) to this Form 4.

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

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 10

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 19,301

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $24.96 to $25.955, inclusive. Each reporting person undertakes to provide Okta, Inc., any security holder of Okta, 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 (9) to this Form 4.

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

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 9

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 281,973

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

SEC source: 0000899243-17-028657 · doc4.xml · derivative · entry 22

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 230,987

Underlying: Class A Common Stock · 60,090 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.

F17 · 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.

F17 · 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.

F17 · 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.

F17 · 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.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · derivative · entry 21

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 3,613,007

Underlying: Class A Common Stock · 939,910 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.

F17 · 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.

F17 · 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.

F17 · 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.

F17 · 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 IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 8

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 263,253

F7 · kind: On December 11, 2017, 101,499 shares of Class A Common Stock held by KVA IV were distributed to the members of KVA IV.

F8 · 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 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: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 7

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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 December 11, 2017, 101,499 shares of Class A Common Stock held by KVA IV were distributed to the members of KVA IV.

F6 · ownership.nature: Consists of securities held of record by KVA IV. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KVA IV, and each of VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KVA IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 6

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 101,499

F5 · kind: On December 11, 2017, 60,090 shares of Class A Common Stock held by KV IV (CF) were distributed to the limited partners and general partners of KV IV (CF).

F6 · ownership.nature: Consists of securities held of record by KVA IV. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KVA IV, and each of VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KVA IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 5

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 101,409

F4 · kind: On December 11, 2017, 939,910 shares of Class A Common Stock held by KV IV were distributed to the limited partners and general partners of KV IV.

F6 · ownership.nature: Consists of securities held of record by KVA IV. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KVA IV, and each of VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KVA IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 4

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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

F5 · kind: On December 11, 2017, 60,090 shares of Class A Common Stock held by KV IV (CF) were distributed to the limited partners and general partners of KV IV (CF).

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 3

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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 · kind: On December 11, 2017, 939,910 shares of Class A Common Stock held by KV IV were distributed to the limited partners and general partners of KV IV.

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

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 2

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 60,090

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.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-028657 · doc4.xml · nonDerivative · entry 1

Khosla Ventures IV, L.P. · CIK 0001521016 · *Former 10% Owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · *Former 10% Owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · *Former 10% Owner

VK Services, LLC · CIK 0001501927 · *Former 10% Owner

KHOSLA VINOD · CIK 0001032453 · *Former 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: 939,910

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

SEC source: 0001209191-17-065511 · doc4.xml · derivative · entry 6

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 12,200 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.

F1 · 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: 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 · 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.

F1 · 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: 0001209191-17-065511 · doc4.xml · derivative · entry 5

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,200

Underlying: Class A Common Stock · 12,200 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.

F1 · 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 · 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.

F1 · 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: 0001209191-17-065511 · doc4.xml · derivative · entry 4

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,820

Underlying: Class B Common Stock · 12,200 shares

Expires 2023-08-29

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 · derivative.exercise_date: 25% of the shares subject to the option vested on June 24, 2014, and the remaining shares subject to the option shall vest in 36 equal monthly installments thereafter, subject to the Reporting Person's continuous employment with the Issuer on each such date. The option is early exercisable by the Reporting Person.

SEC source: 0001209191-17-065511 · doc4.xml · nonDerivative · entry 3

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F4 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.45 to $26.745 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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: 0001209191-17-065511 · doc4.xml · nonDerivative · entry 2

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,625

F2 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F3 · price: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.44 to $26.43 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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: 0001209191-17-065511 · doc4.xml · nonDerivative · entry 1

Losch William E · CIK 0001306938 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,200

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: 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: 0000899243-17-028429 · doc4.xml · derivative · entry 6

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII-A Limited Partnership

Disclosed balance after: 541,662

Underlying: Class A Common Stock · 280,840 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.underlying_shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F5 · ownership.nature: The shares are held directly by Greylock XIII-A LP. Greylock XIII GP is the sole General Partner of Greylock XIII-A LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII-A LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028429 · doc4.xml · derivative · entry 5

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII Limited Partnership

Disclosed balance after: 6,016,489

Underlying: Class A Common Stock · 3,119,410 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · shares: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.underlying_shares: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F3 · ownership.nature: The shares are held directly by Greylock XIII LP. Greylock XIII GP Limited Liability Company ("Greylock XIII GP") is the sole General Partner of Greylock XIII LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028429 · doc4.xml · nonDerivative · entry 4

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 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: Represents a pro-rata, in-kind distribution by Greylock XIII-A LP and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns. Such distribution was made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F7 · ownership.nature: Represents a pro-rata, in-kind distribution by Greylock XIII-A LP and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns. Such distribution was made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0000899243-17-028429 · doc4.xml · nonDerivative · entry 3

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 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: Represents a pro-rata, in-kind distribution by Greylock XIII LP and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns. Such distribution was made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Represents a pro-rata, in-kind distribution by Greylock XIII LP and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns. Such distribution was made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0000899243-17-028429 · doc4.xml · nonDerivative · entry 2

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII-A Limited Partnership

Disclosed balance after: 280,840

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 · shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · balance_after: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F5 · ownership.nature: The shares are held directly by Greylock XIII-A LP. Greylock XIII GP is the sole General Partner of Greylock XIII-A LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII-A LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028429 · doc4.xml · nonDerivative · entry 1

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII Limited Partnership

Disclosed balance after: 3,119,410

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 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · balance_after: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F3 · ownership.nature: The shares are held directly by Greylock XIII LP. Greylock XIII GP Limited Liability Company ("Greylock XIII GP") is the sole General Partner of Greylock XIII LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · derivative · entry 13

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P

Disclosed balance after: 1,653,850

Underlying: Class A Common Stock · 1,653,850 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.

F8 · 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.

F8 · 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.

F8 · 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.

F8 · 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.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · derivative · entry 12

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 6,342,793

Underlying: Class A Common Stock · 6,342,793 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.

F8 · 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.

F8 · 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.

F8 · 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.

F8 · 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.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 10

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 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: 972,056

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F6 · ownership.nature: The reported securities are held by the LAMA Community Trust of which Marc Andreessen and his spouse are trustees. Each of the Reporting Persons disclaims the existence of a "group" and, other than Marc Andreessen, disclaims beneficial ownership of these securities, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 9

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 31,909

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F5 · ownership.nature: The reported securities are held by AH Capital Management, L.L.C. The managing members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and investment power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 8

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners IV (Parallel),

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 7

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners I, L.L.C.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 6

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners IV (Parallel), L.L.C.

Disclosed balance after: 16,143

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 5

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 4

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 1,653,850

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.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 3

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners I, L.L.C.

Disclosed balance after: 1,696,259

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 2

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its partners, members and/or assigns.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028583 · doc4.xml · nonDerivative · entry 1

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 6,342,793

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

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028581 · doc4.xml · nonDerivative · entry 2

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 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: 1,278

F2 · kind: The reported securities were distributed to Marc Andreessen and his spouse as trustees of the LAMA Community Trust in connection with a pro rata, in-kind distribution, and not a purchase or sale, of the shares by Greylock XIII-A Limited Partnership to its general and limited partners without consideration. Each of the Reporting Persons disclaims the existence of a "group" and, other than Marc Andreessen, disclaims beneficial ownership of these securities, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F2 · ownership.nature: The reported securities were distributed to Marc Andreessen and his spouse as trustees of the LAMA Community Trust in connection with a pro rata, in-kind distribution, and not a purchase or sale, of the shares by Greylock XIII-A Limited Partnership to its general and limited partners without consideration. Each of the Reporting Persons disclaims the existence of a "group" and, other than Marc Andreessen, disclaims beneficial ownership of these securities, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · derivative · entry 12

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 1,653,850

Underlying: Class A Common Stock · 1,653,850 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.

F7 · 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.

F7 · 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.

F7 · 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.

F7 · 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.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · derivative · entry 11

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 6,342,793

Underlying: Class A Common Stock · 6,342,793 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.

F7 · 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.

F7 · 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.

F7 · 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.

F7 · 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.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 10

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 828,530

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F6 · ownership.nature: The reported securities are held directly by a family trust for which the Reporting Person is a trustee.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 9

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 31,909

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F5 · ownership.nature: The reported securities are held by AH Capital Management, L.L.C. The managing members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and investment power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 8

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners IV (Parallel), L.L.C.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 7

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners I, L.L.C.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 6

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners IV (Parallel), L.L.C.

Disclosed balance after: 16,143

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 5

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 0

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 4

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 1,653,850

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.

F3 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and investment power with regard to the securities held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-028585 · doc4.xml · nonDerivative · entry 3

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners I, L.L.C.

Disclosed balance after: 1,696,259

F2 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns.

F1 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and investment power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and investment power with respect to the shares held by the AH Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.