d the SRAM S Pstsnasto STOCK PURCHASE AGREEMINT as oldie date set forth in the first paragraph hereof. PURCHASERS: 522 Finis AvDaz FUND, L.P. By: J.P. Morgan Investment Management Inc. Its:-Investment Advisor I2sr By: INtsurlièn;/(44 19'eserdl‘ rtedi J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Investment Management Inc

FOURTH AMENDED AND RESTATED VOTING AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: 522 FIFTH AVENUE FUND, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor By Name: Estrarcl Fre.. s-r — Its: £xen.L 0,recAo• J.P. MORGAN DIGITAL. GROWTH FUND L.P. By: J.P. Morgan Investment

AND RESTATED RIGHT OF FIRST REFUSAL AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: 522 FIFTH AVENUE FUND, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor Name: %.1 rt. r dam. F"« - . aL ItS: • 'C "A %VC Otte. ie ( J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Inv

AND WAIVER OF NOTICE AND PARTICIPATION RIGHTS as of the date set forth in the first paragraph hereof. INVESTORS: 522 FIFTH AVENUE FUND, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor By Name: mi. A • Its: Cxec,03 Ne__ D. (Zit:: J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Investment Manage

a mutual fund, structured product, separately managed account or hedge fund issued or managed by JPMorgan Chase Bank, N.A. or an affiliate, such as J.P. Morgan Investment Management Inc.; (2) when a J.P. Morgan entity obtains services, including trade execution and trade clearing, from an affiliate; (3) when _LP. Morgan receives paym

AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT as of the date set forth in the first paragraph hereof. INVESTORS: 522 FIFTH AVENUE FUND, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor By: Name: Its: J.P. MORGAN DIGITAL GROWTH FUND L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor