X0304 4 2012-02-15 0001408278 Synacor, Inc. SYNC 0001541204 Crystal Venture II, Ltd. 1120 CHESTER AVENUE SUITE 418 CLEVELAND OH 44114 1 0 1 0 0001541202 Crystal Internet Venture Fund II (BVI), Crystal Vision, L.P. 1120 CHESTER AVENUE SUITE 418 CLEVELAND OH 44114 1 0 1 0 0001541203 Crystal Internet Venture Fund II (BVI), L.P. 1120 CHESTER AVENUE SUITE 418 CLEVELAND OH 44114 1 0 1 0 0001541205 Tzeng Joseph 1120 CHESTER AVENUE SUITE 418 CLEVELAND OH 44114 1 0 1 0 0001541206 Kellogg Daniel 1120 CHESTER AVENUE SUITE 418 CLEVELAND OH 44114 0 0 1 0 Common Stock 21948 D Common Stock 1632 D Common Stock 2012-02-15 4 C 0 2685240 A 2707188 D Common Stock 2012-02-15 4 C 0 199374 A 201006 D Common Stock 2012-02-15 4 C 0 785433 A 3492621 D Common Stock 2012-02-15 4 C 0 58317 A 259323 D Common Stock 2012-02-15 4 C 0 220240 A 3712861 D Common Stock 2012-02-15 4 C 0 16353 A 275676 D Common Stock 2012-02-15 4 S 0 186176 5 D 3526685 D Common Stock 2012-02-15 4 S 0 13823 5 D 261853 D Common Stock 2012-02-15 4 P 0 100000 5 A 100000 D Series A Convertible Preferred Stock 2012-02-15 4 C 0 2685240 0 D Common Stock 2685240 0 D Series A Convertible Preferred Stock 2012-02-15 4 C 0 199374 0 D Common Stock 199374 0 D Series B Convertible Preferred Stock 2012-02-15 4 C 0 785433 0 D Common Stock 785433 0 D Series B Convertible Preferred Stock 2012-02-15 4 C 0 58317 0 D Common Stock 58317 0 D Series C Convertible Preferred Stock 2012-02-15 4 C 0 220240 0 D Common Stock 220240 0 D Series C Convertible Preferred Stock 2012-02-15 4 C 0 16353 0 D Common Stock 16353 0 D Non-employee Director Stock Option (right to purchase) 3.32 2021-08-15 Common Stock 50000 50000 D These securities are held directly by Crystal Internet Venture Fund II (BVI), L.P. and indirectly by Crystal Venture II, Ltd., the general partner of Crystal Internet Venture Fund II (BVI), L.P., and Joseph Tzeng and Daniel Kellogg, the Class A members of Crystal Venture II, Ltd., who have all the voting rights of Crystal Venture II, Ltd. Each of Crystal Venture II, Ltd., Mr. Tzeng and Mr. Kellogg may be deemed to beneficially own such securities, and disclaims such beneficial ownership except to the extent of its or his pecuniary interest therein. These securities are held directly by Crystal Internet Venture Fund II (BVI), Crystal Vision, L.P. and indirectly by Crystal Venture II, Ltd., the general partner of Crystal Internet Venture Fund II (BVI), Crystal Vision, L.P., and Joseph Tzeng and Daniel Kellogg, the Class A members of Crystal Venture II, Ltd., who have all the voting rights of Crystal Venture II, Ltd. Each of Crystal Venture II, Ltd., Mr. Tzeng and Mr. Kellogg may be deemed to beneficially own such securities, and disclaims such beneficial ownership except to the extent of its or his pecuniary interest therein. The reported securities represent the shares of the issuer's common stock that were underlying shares of the issuer's preferred stock that converted into common stock on a 1.5:1 basis upon the closing of the issuer's initial public offering (the "Initial Public Offering"). The reported securities are owned directly by Mr. Tzeng. None of Crystal Internet Venture Fund II (BVI), Crystal Vision, L.P., Crystal Internet Venture Fund II (BVI), L.P., Crystal Venture II, Ltd. or Mr. Kellogg has beneficial ownership of the reported securities. The number of shares of preferred stock reported in Column 5 converted into the issuer's common stock on a 1.5:1 basis upon the closing of the Initial Public Offering. The option vests in three equal annual installments following completion by Mr. Tzeng of each of three years of service to the issuer following September 1, 2011. /s/ Joseph Tzeng, Managing Member of Crystal Venture II, Ltd., by Shelley Rubino, as attorney-in-fact 2012-02-17 /s/ Joseph Tzeng, Managing Member of Crystal Venture II, Ltd., General Partner of Crystal Internet Venture Fund II (BVI), Crystal Vision, L.P., by Shelley Rubino, as attorney-in-fact 2012-02-17 /s/ Joseph Tzeng, Managing Member of Crystal Venture II, Ltd., General Partner of Crystal Internet Venture Fund II (BVI), L.P., by Shelley Rubino, as attorney-in-fact 2012-02-17 /s/ Joseph Tzeng, by Shelley Rubino, as attorney-in-fact 2012-02-17 /s/ Daniel Kellogg, by Shelley Rubino, as attorney-in-fact 2012-02-17