X0303 4 2010-11-30 0001411158 Anacor Pharmaceuticals Inc ANAC 0001277997 VENROCK ASSOCIATES IV L P C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 0001305239 Venrock Partners, L.P. C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 0001277994 VENROCK ENTREPRENEURS FUND IV L P C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 0001305238 Venrock Management IV, LLC C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 0001305240 Venrock Partners Management, LLC C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 0001305243 VEF Management IV, LLC C/O VENROCK 3340 HILLVIEW AVENUE PALO ALTO CA 94304 0 0 1 0 Common Stock 2010-11-30 4 C 0 1752808 A 1752808 I By Funds Common Stock 2010-11-30 4 C 0 133622 A 1886430 I By Funds Common Stock 2010-11-30 4 C 0 139105 A 2025535 I By Funds Common Stock 2010-11-30 4 P 0 600000 5.00 A 2625535 I By Funds Series C Convertible Preferred Stock 2010-11-30 4 C 0 1752808 0 D Common Stock 1752808 0 I By Funds Series D Convertible Preferred Stock 2010-11-30 4 C 0 133622 0 D Common Stock 133622 0 I By Funds Series E Convertible Preferred Stock 2010-11-30 4 C 0 139105 0 D Common Stock 139105 0 I By Funds Each share of the Issuer's Series C Convertible Preferred Stock, Series D Convertible Preferred Stock and Series E Convertible Preferred Stock automatically converted into shares of common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering. The Issuer's Series C Convertible Preferred Stock, Series D Convertible Preferred Stock and Series E Convertible Preferred Stock do not have an expiration date and automatically converted into shares of common stock upon the closing of the Issuer's initial public offering. The shares, on a post conversion basis, were converted as follows: 1,426,786 shares held by Venrock Associates IV, L.P. ("VAIV"), 290,966 shares held by Venrock Partners, L.P. ("VP") and 35,056 shares held by Venrock Entrepreneurs Fund IV, L.P. ("VEFIV"). Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC (together, the "Venrock GP Entities") are the sole general partners of VAIV, VP and VEFIV, respectively (together, the "Venrock Funds"), and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares, on a post conversion basis, were converted as follows: 108,769 shares held by VAIV, 22,181 shares held by VP and 2,672 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares, on a post conversion basis, were converted as follows: 113,232 shares held by VAIV, 23,091 shares held by VP and 2,782 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares are held as follows: 1,426,786 shares held by VAIV, 290,966 shares held by VP and 35,056 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares are held as follows: 1,535,555 shares held by VAIV, 313,147 shares held by VP and 37,728 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares are held as follows: 1,648,787 shares held by VAIV, 336,238 shares held by VP and 40,510 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares were purchased as follows: 488,400 shares purchased by VAIV, 99,600 shares purchased by VP and 12,000 shares purchased by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. The shares are held as follows: 2,137,187 shares held by VAIV, 435,838 shares held by VP and 52,510 shares held by VEFIV. Venrock Management IV, LLC, Venrock Partners Management, LLC and VEF Management IV, LLC are the sole general partners of VAIV, VP and VEFIV, respectively, and have voting and investment power over the shares held by the Venrock Funds. Each of the Venrock GP Entities disclaims beneficial ownership of the shares held by the Venrock Funds, except to the extent of its respective indirect pecuniary interest therein. /s/ David L. Stepp, Authorized Signatory 2010-12-02 /s/ David L. Stepp, Authorized Signatory 2010-12-02 /s/ David L. Stepp, Authorized Signatory 2010-12-02 /s/ David L. Stepp, Authorized Signatory 2010-12-02 /s/ David L. Stepp, Authorized Signatory 2010-12-02 /s/ David L. Stepp, Authorized Signatory 2010-12-02