X0206 3 2013-05-21 0 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001250409 BIRD JEFFREY W 755 PAGE MILL ROAD, SUITE A-200 PALO ALTO CA 94304-1005 1 Series A Convertible Preferred Stock Common Stock 16669.0000 I By Ltd Partnership (NEST) Series B Convertible Preferred Stock Common Stock 7589.0000 I By Ltd Partnership (NEST) Series C Convertible Preferred Stock Common Stock 12344.0000 I By Ltd Partnership (NEST) Series A Convertible Preferred Stock Common Stock 568711.0000 I By Ltd Partnership (SHV) Series B Convertible Preferred Stock Common Stock 208190.0000 I By Ltd Partnership (SHV) Series C Convertible Preferred Stock Common Stock 260105.0000 I By Ltd Partnership (SHV) Series D Convertible Preferred Stock Common Stock 65818.0000 I By Ltd Partnership (SHV) Series A Convertible Preferred Stock Common Stock 20927.0000 I By Trust (Trustees) Series B Convertible Preferred Stock Common Stock 6346.0000 I By Trust (Trustees) Series C Convertible Preferred Stock Common Stock 4958.0000 I By Trust (Trustees) Series D Convertible Preferred Stock Common Stock 4368.0000 I By Trust (Trustees) The Series A Preferred Stock has no expiration date and is convertible at any time at the option of the holder and will automatically convert upon the closing of the Issuer's initial public offering, at a conversion ratio of 1 share of Common Stock for every 1 share of Series A Preferred Stock, for no additional consideration. The shares do not have an expiration date. Shares held by a limited partnership of which the reporting person is a trustee of a trust which is the General Partner. The reporting person disclaims beneficial ownership of these shares except as to the reporting person's pecuniary interest therein. The Series B Preferred Stock has no expiration date and is convertible at any time at the option of the holder and will automatically convert upon the closing of the Issuer's initial public offering, at a conversion ratio of 1 share of Common Stock for every 1 share of Series B Preferred Stock, for no additional consideration. The Series C Preferred Stock has no expiration date and is convertible at any time at the option of the holder and will automatically convert upon the closing of the Issuer's initial public offering, at a conversion ratio of 1 share of Common Stock for every 1 share of Series C Preferred Stock, for no additional consideration. Shares held by Sutter Hill Ventures, A California Limited Partnership. The reporting person is a Managing Director of the General Partner of Sutter Hill Ventures, A California Limited Partnership. The reporting person disclaims beneficial ownership in these shares except as to the reporting person's pecuniary interest in the partnership. The Series D Preferred Stock has no expiration date and is convertible at any time at the option of the holder and will automatically convert upon the closing of the Issuer's initial public offering, at a conversion ratio of 1 share of Common Stock for every 1 share of Series D Preferred Stock, for no additional consideration. Shares held by a trust of which the reporting person is a trustee. The reporting person disclaims beneficial ownership in these shares except as to the reporting person's pecuniary interest in the trust. /s/ Robert Yin, by power of attorney 2013-05-21