X0206 3 2013-05-21 0 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001574589 Curnutte John T C/O PORTOLA PHARMACEUTICALS, INC. 270 EAST GRAND AVENUE, SUITE 22 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Executive Vice President Stock Option (Right to Buy) 8.50 2021-03-22 Common Stock 213682 D Stock Option (Right to Buy) 7.00 2022-03-07 Common Stock 29999 D Stock Option (Right to Buy) 9.50 2022-12-12 Common Stock 24148 D The Option shares shall vest as follows: one-fourth (1/4th) of the shares vest one year after February 14, 2011; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of February 14, 2011, subject to Reporting Person's Continuous Service (as defined in the Issuer's 2003 Equity Incentive Plan) as of each such date. The Option shares shall vest as follows: one-fourth (1/4th) of the shares vest one year after March 8, 2012; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of March 8, 2012, subject to Reporting Person's Continuous Service (as defined in the Issuer's 2003 Equity Incentive Plan) as of each such date. The Option shares shall vest as follows: one-fourth (1/4th) of the shares vest one year after December 12, 2012; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of December 12, 2012, subject to Reporting Person's Continuous Service (as defined in the Issuer's 2003 Equity Incentive Plan) as of each such date. /s/ Sally A. Kay, as attorney-in-fact 2013-05-21