DocuSign Envelope ID: 58697723-4C1C-4A7C-B28F-5568F591 1050 ALIPHCOM AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT THIS AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT (the “Amendment”’) is made as of September 2S, 2012, by and among ALIPHCOM, a California corporation (the “Company”), and certain of the persons and entities who are parties to the Agreement (as defined below). Capitalized terms not otherwise defined in the Amendment shall have the meaning ascribed to them in the Agreement. RECITALS WHEREAS, the Company and the Investors have entered into that certain Fourth Amended and Restated Voting Agreement, dated June 16, 2011 (the “Agreement’’); WHEREAS, the Company and the Investors now desire to amend the Agreement to permit additional purchasers of the Company’s preferred stock to become parties to the Agreement as Investors in connection with their respective investments in the Company’s securities; and WHEREAS, under Section 3.5 of the Agreement, the Agreement or any term thereof (except for certain sections explicitly referred to in Section 3.5) may be amended only by a written consent of (i) the Company, (ii) the holders of a majority of the Investor Shares, (iii) the holders of a majority of the shares of Series 2 Preferred Stock, (iv) the holders of a majority of the shares of Series 3 Preferred Stock, (v) the holders of a majority of the shares of Series 4 Preferred Stock and (vi) the holders of at least two-thirds of the Key Holder Shares then providing services to the Company as employees or consultants engaged by the Company (in a capacity other than solely as a director). AGREEMENT Now, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound, the Company and the Investors hereby agree as follows: lL Amendment of Section 3.9. The parties agree that Section 3.9 of the Agreement is hereby amended to read in full as follows: “Notwithstanding anything to the contrary contained herein, if the Company issues additional shares of its Preferred Stock, any purchaser of such shares of Preferred Stock may become a party to this Agreement by executing and delivering an additional counterpart signature page to this Agreement and shall be deemed an “Investor” and a party hereunder.” 2. All other provisions of the Agreement shall remain in full force and effect. 1283914 v2/SF EFTA00292199

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DocuSign Envelope ID: 5B697723-4C1C-4A7C-B28F-5568F 5911050 3. This Amendment may be executed in any number of counterparts, each of which shall be enforceable against the parties actually executing such counterparts, and all of which together shall constitute one instrument. 4, This Amendment shall be construed in accordance with the laws of the State of California, excluding conflicts of laws principles. 5. This Amendment and the Agreement and all exhibits hereto or thereto are intended to be the sole agreement of the parties as they relate to the subject matter hereof and thereof and do hereby supersede all other agreements of the parties relating to the subject matter hereof or thereof. [THE REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] 1283914 v2/SF EFTA00292200

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DocuSign Envelope ID: FA91CC39-2AEC-4FCO-A7 FF-2247C69187FD IN Witness WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. COMPANY: ALIPHCOM cuSignid by: [Wenn Kalumav By: DEADSFAI 8702400 Hosain Rahman Chief Executive Officer 1283914 v2/SF KEY HOLDERS: Alexander Asseily cuiSiared ty Kosain. Ralumave 406FA187024C0_ Hosain Rahman EFTA00292201

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DocuSign Envelope ID: 58697723-4C1C-4A7C-82BF-5568F591 1050 IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. COMPANY: ALIPHCOM KEY HOLDERS: By: Hosain Rahman Chief Executive Officer DocuSignes by: ; Alexarter Asseily 4B5E 15645804606 Alexander Asseily Hosain Rahman 1283914 v2/SF EFTA00292202

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DocuSign Envelope ID: B278B9E5-76D4-42C0-BF B6-93688044806F In WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: KHOSLA VENTURES II, LP By: Khosla Ventures Associates Hl, LLC, a Delaware limited liability company and general partner of Khosla Ventures II, LP Title: Member 1283914 v2/SF EFTA00292203

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DocuSign Envelope ID: 9E22D086-6400-4C56-826D-84AD91AA751D IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: ANDREESSEN HOROWITZ FUND I, L.P. as nominee for Andreessen Horowitz Fund II, L.P. Andreessen Horowitz Fund IIT-A, L.P. and Andreessen Horowitz Fund II-B, L.P. By: AH Equity Partners II, L.L.C. Its general partner DecuSigned by: Bur Horewits, By: 7081006F4293420... Name: Title: Managing Member AH ANNEX FUND, L.P. By: AH Equity Partners II, L.L.C. Its general partner DocuSiqned by: Bur Horowite, By: 108100CF4233439__ Name: Title: Member 1283914 v2/SF EFTA00292204

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DocuSign Envelope ID: 07449EAD-AA94-4C1A-94A1-65498E590328 IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof, INVESTORS: Sequoia Capital Growth Fund IIT Sequoia Capital Growth Partners III Sequoia Capital Growth II Principals Fund By: SCGF III Management, LLC A Delaware Limited Liability Company General Partner of Each ‘DecuSigned by: Roelof Bethe By: A208} OF SB 449F .. Managing Member Sequoia Capital XI Sequoia Technology Partners XII Sequoia Capital XII Principals Fund Hilltop Family Partnership, L.P. By: SC XII Management, LLC A Delaware Limited Liability Company, General Partner of Each eal by: Roelof Botha By: IDO10GF DBI440F Managing Member 1283914 v2/SF EFTA00292205

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IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. 1283914 v2/SF INVESTORS: 522 FIFTH AVENUE Funp, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor LO By: Name: ey cack Feavsee Its! Exechve Orecto- J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Investment Management Inc, Its: Investment Advisor pr ame: Lyrard Car se Its: Execs We 9, recto c EFTA00292206