DocuSign Envelope ID: FA91CC39-2AEC-4FCO-A7FF-2247C69187FD ALIPHCOM AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT THIS AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT (the “Amendment’) is made as of September 252012, 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 Third Amended and Restated Right of First Refusal Agreement, dated June 16, 2011 (the “Agreement’’); WHEREAS, the Company and the Investors now desire to amend the Agreement to permit additional purchasers of 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 6.3 of the Agreement, the Agreement or any term thereof may be amended only by a written consent of the Company and the holders of a majority in interest of the Senior Preferred (as defined therein). 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: 1, Amendment of Section 6.11. The parties agree that Section 6.11 of the Agreement is hereby amended to read in full as follows: “Notwithstanding anything to the contrary contained herein, if the Company shall issue 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” hereunder.” 2. All other provisions of the Agreement shall remain in full force and effect. 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. 1283915 v2/SF EFTA00292192

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DocuSign Envelope ID; FA91CC39-2AEC-4FCO-A7FF-2247C69187FD 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] 1283915 v2/SF EFTA00292193

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DocuSign Envelope ID: FA91CC39-2AEC-4F CO-A7FF-2247C69187FD IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. COMPANY: ALIPHCOM becuse Hrosain. Kalumau. By: OEADGFAIGTO2ICY.. Hosain Rahman Chief Executive Officer 1283915 v2/SF EFTA00292194

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DocuSign Envelope |D: B278B9ES-7604-42C0-BFB6-93688044806F IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: KHOSLA VENTURES IT, LP By: Khosla Ventures Associates II, LLC, a Delaware limited liability company and general partner of Khosla Ventures II, LP DocuSigned by: Dawid, Widen By S4BESF 1840450. Name: Title: Member 1283915 v2/SF EFTA00292195

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DocuSign Envelope ID: 89€22D086-64DD-4C56-B26D-84AD91AA751D IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. By: By: 1283915 v2/SF INVESTORS: ANDREESSEN HOROWITZ FUND II, L.P. as nominee for Andreessen Horowitz Fund IL, L.P. Andreessen Horowitz Fund II-A, L.P. and Andreessen Horowitz Fund JI-B, L.P. AH Equity Partners II, L.L.C. Its general partner DocuSigned by: Bun Horewite, By: 1081 00CF 4233430 Name; Title: Managing Member AH ANNEX FUND, L.P. AH Equity Partners LI, L.L.C. Its general partner DoeaSigned by: Bur Korowit, POSNOICFS234 3. By: Name: Title: Member EFTA00292196

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DocuSign Envelope ID: 07449EAD-AA94-4C 1A-94A 1-6549BE59D32B IN WITNESS WHEREOF, the partics hereto have executed this AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: Sequoia Capital Growth Fund III Sequoia Capital Growth Partners IIL Sequoia Capital Growth II Principals Fund By: SCGF III Management, LLC A Delaware Limited Liability Company General Partner of Each oewSigned by: Roclof Both By: AIDS OBF 834496. Managing Member Sequoia Capital XII 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 Signet bye | Roelof Botha By: 08F 08:9440F_ Managing Member 1283915 v2/SF EFTA00292197

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IN WITNESS WHEREOF, the parties hereto have executed this AMENDMENT TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: $22 FIFTH AVENUE FUND, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor Name: “EyrarK Feeacsee Is: Exceed ve yee us, J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor By: Name: Evrar KR Feagee Its! Exeaty Oiccchoc 1283915 v2/SF EFTA00292198