META

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 8

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 15,141

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 per share, inclusive. 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 (4).

F7 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 7

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 15,152

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 per share, inclusive. 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 (2).

F7 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 6

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 24,766

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 per share, inclusive. 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 (4).

F6 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 5

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 24,782

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 per share, inclusive. 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 (2).

F6 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 4

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 500,845

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 per share, inclusive. 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 (4).

F5 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 3

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 501,169

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 per share, inclusive. 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 (2).

F5 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 2

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 1,526,580

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 per share, inclusive. 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 (4).

F3 · ownership.nature: The reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 1

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 1,529,138

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 per share, inclusive. 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 (2).

F3 · ownership.nature: The reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041177 · doc4.xml · nonDerivative · entry 1

HASTINGS REED · CIK 0001033331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,846

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions at prices ranging from $20.90 to $21.11 per share, inclusive. 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 (1).

SEC source: 0001209191-12-041360 · doc4.xml · derivative · entry 11

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,070,290 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis. No shares of Class B Common Stock or Class A Common Stock were sold in connection with this conversion.

F5 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · derivative · entry 10

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 22,400 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis. No shares of Class B Common Stock or Class A Common Stock were sold in connection with this conversion.

F4 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · derivative · entry 9

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 36,640 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis. No shares of Class B Common Stock or Class A Common Stock were sold in connection with this conversion.

F3 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · derivative · entry 8

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 740,960 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis. No shares of Class B Common Stock or Class A Common Stock were sold in connection with this conversion.

F2 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · derivative · entry 7

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,427,594 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F7 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F8 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis. No shares of Class B Common Stock or Class A Common Stock were sold in connection with this conversion.

F1 · ownership.nature: The reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · nonDerivative · entry 5

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 5,070,290

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 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · nonDerivative · entry 4

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 22,400

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 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · nonDerivative · entry 3

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 36,640

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 reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · nonDerivative · entry 2

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 740,960

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 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001209191-12-041360 · doc4.xml · nonDerivative · entry 1

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 3,427,594

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 reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. 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: 0001181431-12-031834 · rrd346328.xml · derivative · entry 8

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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: 597,116

Underlying: Class A Common Stock · 125,284 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 at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F1 · kind: Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F4 · ownership.nature: The reported securities are held of record by Meritech Capital Affiliates III L.P ("MCA III"). Meritech Capital Associates III L.L.C., the general partner of MCA III, has sole voting and dispositive power with respect to the securities held by MCA III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCA III. Such persons and entities disclaim beneficial ownership of the securities held by MCA III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · derivative · entry 7

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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: 32,759,327

Underlying: Class A Common Stock · 6,873,496 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 at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F1 · kind: Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 · ownership.nature: The reported securities are held of record by Meritech Capital Partners III L.P. ("MCP III"). Meritech Capital Associates III L.L.C., the general partner of MCP III, has sole voting and dispositive power with respect to the securities held by MCP III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCP III. Such persons and entities disclaim beneficial ownership of the securities held by MCP III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · derivative · entry 6

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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

Underlying: Class B Common Stock · 626,420 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 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · kind: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F4 · ownership.nature: The reported securities are held of record by Meritech Capital Affiliates III L.P ("MCA III"). Meritech Capital Associates III L.L.C., the general partner of MCA III, has sole voting and dispositive power with respect to the securities held by MCA III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCA III. Such persons and entities disclaim beneficial ownership of the securities held by MCA III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · derivative · entry 5

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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

Underlying: Class B Common Stock · 34,367,483 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 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · kind: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F3 · ownership.nature: The reported securities are held of record by Meritech Capital Partners III L.P. ("MCP III"). Meritech Capital Associates III L.L.C., the general partner of MCP III, has sole voting and dispositive power with respect to the securities held by MCP III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCP III. Such persons and entities disclaim beneficial ownership of the securities held by MCP III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · nonDerivative · entry 4

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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 · ownership.nature: The reported securities are held of record by Meritech Capital Affiliates III L.P ("MCA III"). Meritech Capital Associates III L.L.C., the general partner of MCA III, has sole voting and dispositive power with respect to the securities held by MCA III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCA III. Such persons and entities disclaim beneficial ownership of the securities held by MCA III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · nonDerivative · entry 3

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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: 125,284

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 A Common Stock was issued upon conversion of one share of Class B Common Stock.

F2 · price: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F4 · ownership.nature: The reported securities are held of record by Meritech Capital Affiliates III L.P ("MCA III"). Meritech Capital Associates III L.L.C., the general partner of MCA III, has sole voting and dispositive power with respect to the securities held by MCA III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCA III. Such persons and entities disclaim beneficial ownership of the securities held by MCA III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · nonDerivative · entry 2

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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 · ownership.nature: The reported securities are held of record by Meritech Capital Partners III L.P. ("MCP III"). Meritech Capital Associates III L.L.C., the general partner of MCP III, has sole voting and dispositive power with respect to the securities held by MCP III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCP III. Such persons and entities disclaim beneficial ownership of the securities held by MCP III except to the extent of any pecuniary interest therein.

SEC source: 0001181431-12-031834 · rrd346328.xml · nonDerivative · entry 1

Meritech Management Associates III L.L.C. · CIK 0001500545 · 10% owner

Meritech Capital Associates III L.L.C. · CIK 0001500544 · 10% owner

Meritech Capital Partners III LP · CIK 0001336460 · 10% owner

MERITECH CAPITAL AFFILIATES III L P · CIK 0001359256 · 10% owner

MADERA PAUL S · CIK 0001255151 · 10% owner

GORDON MICHAEL B · CIK 0001255152 · 10% owner

Bischof George · CIK 0001500543 · 10% owner

Ward Rob · CIK 0001501075 · 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: 6,873,496

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 A Common Stock was issued upon conversion of one share of Class B Common Stock.

F2 · price: Each share of Class B Common Stock is convertible at any time (a) at the holder's option or (b) upon certain transfers of such shares, into the issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 · ownership.nature: The reported securities are held of record by Meritech Capital Partners III L.P. ("MCP III"). Meritech Capital Associates III L.L.C., the general partner of MCP III, has sole voting and dispositive power with respect to the securities held by MCP III. The managing member of Meritech Capital Associates III L.L.C. is Meritech Management Associates III L.L.C. Paul S. Madera, Michael B. Gordon, Robert D. Ward and George H. Bischof, the managing members of Meritech Management Associates III L.L.C., share voting and dispositive power with respect to the shares held by MCP III. Such persons and entities disclaim beneficial ownership of the securities held by MCP III except to the extent of any pecuniary interest therein.

SEC source: 0001209191-12-029804 · doc4.xml · derivative · entry 43

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2009 L.L.C.

Disclosed balance after: 100,292

Underlying: Class A Common Stock · 32,278 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F13 · derivative.underlying: The shares of Class B Common Stock automatically converted into Class A Common Stock on a 1-for-1 basis in connection with the transfer of such shares.

F8 · ownership.nature: Each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), and may be deemed to share voting and investment power over the securities held by Accel Growth 2009. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 42

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 146,939

Underlying: Class A Common Stock · 47,291 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F13 · derivative.underlying: The shares of Class B Common Stock automatically converted into Class A Common Stock on a 1-for-1 basis in connection with the transfer of such shares.

F7 · ownership.nature: AGFA, which is the General Partner of Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), has sole voting and investment power over the securities held by Accel Growth SP. AGFA disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of AGFA and may be deemed to share voting and investment power over the shares held of record by Accel Growth SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 41

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 7,527,256

Underlying: Class A Common Stock · 2,422,564 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F13 · derivative.underlying: The shares of Class B Common Stock automatically converted into Class A Common Stock on a 1-for-1 basis in connection with the transfer of such shares.

F6 · ownership.nature: Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of Accel Growth Fund L.P. ("Accel Growth"), has sole voting and investment power over the securities held by Accel Growth. AGFA disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a managing member of AGFA and may be deemed to share voting and investment power over the shares held of record by Accel Growth. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 40

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

Disclosed balance after: 0

Underlying: Class A Common Stock · 13,939,214 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F12 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F5 · ownership.nature: Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 39

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

Disclosed balance after: 13,939,214

Underlying: Class A Common Stock · 849,027 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F5 · ownership.nature: Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 38

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

Disclosed balance after: 0

Underlying: Class B Common Stock · 849,027 shares

Expires not disclosed

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

F11 · security: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F5 · ownership.nature: Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 37

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

Disclosed balance after: 13,090,187

Underlying: Class A Common Stock · 13,090,187 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F5 · ownership.nature: Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 36

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

Disclosed balance after: 0

Underlying: Class B Common Stock · 13,090,187 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 the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_price: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.expiration_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F5 · ownership.nature: Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her 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: 0001209191-12-029804 · doc4.xml · derivative · entry 35

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,931,653 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F12 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 34

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 15,931,653

Underlying: Class A Common Stock · 970,259 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F4 · ownership.nature: A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 33

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 970,259 shares

Expires not disclosed

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

F11 · security: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F4 · ownership.nature: A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 32

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 14,961,394

Underlying: Class A Common Stock · 14,961,394 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F4 · ownership.nature: A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 31

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 14,961,394 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 the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_price: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.expiration_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F4 · ownership.nature: A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 30

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 149,527,730 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F12 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 29

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 149,527,730

Underlying: Class A Common Stock · 9,107,771 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F3 · ownership.nature: Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 28

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 9,107,771 shares

Expires not disclosed

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

F11 · security: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F3 · ownership.nature: Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 27

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 140,419,959

Underlying: Class A Common Stock · 140,419,959 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F3 · ownership.nature: Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 26

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 140,419,959 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 the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_price: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.expiration_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F3 · ownership.nature: Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. 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: 0001209191-12-029804 · doc4.xml · derivative · entry 25

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011

Disclosed balance after: 15,461

Underlying: Class A Common Stock · 704,263 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F12 · derivative.underlying: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F2 · ownership.nature: James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.

SEC source: 0001209191-12-029804 · doc4.xml · derivative · entry 24

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011

Disclosed balance after: 719,724

Underlying: Class A Common Stock · 70,343 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F2 · ownership.nature: James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.

SEC source: 0001209191-12-029804 · doc4.xml · derivative · entry 23

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011

Disclosed balance after: 0

Underlying: Class B Common Stock · 70,343 shares

Expires not disclosed

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

F11 · security: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_price: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.exercise_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F11 · derivative.expiration_date: Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F2 · ownership.nature: James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.

SEC source: 0001209191-12-029804 · doc4.xml · derivative · entry 22

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011

Disclosed balance after: 649,381

Underlying: Class A Common Stock · 633,920 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 · security: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_price: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.exercise_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F10 · derivative.expiration_date: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F2 · ownership.nature: James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.

SEC source: 0001209191-12-029804 · doc4.xml · derivative · entry 21

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

BREYER JAMES · CIK 0001194696 · Director · 10% owner

Li Ping · CIK 0001375802 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011

Disclosed balance after: 0

Underlying: Class B Common Stock · 633,920 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 the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_price: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.exercise_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F9 · derivative.expiration_date: Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.

F10 · derivative.underlying: The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.

F2 · ownership.nature: James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.