X0206 3 2013-05-21 0 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001574591 Dier Mardi C/O PORTOLA PHARMACEUTICALS, INC. 270 EAST GRAND AVENUE, SUITE 22 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Senior VP and CFO Common Stock 69649 D Stock Option (Right to Buy) 3.30 2016-09-05 Common Stock 30303 D Stock Option (Right to Buy) 5.00 2017-09-19 Common Stock 24476 D Stock Option (Right to Buy) 4.10 2018-12-22 Common Stock 31298 D Stock Option (Right to Buy) 5.10 2019-02-24 Common Stock 5868 D Stock Option (Right to Buy) 5.10 2019-06-08 Common Stock 1956 D Stock Option (Right to Buy) 9.00 2020-02-23 Common Stock 10000 D Stock Option (Right to Buy) 8.50 2021-03-22 Common Stock 4300 D Stock Option (Right to Buy) 7.00 2022-03-07 Common Stock 19999 D Stock Option (Right to Buy) 9.50 2022-12-12 Common Stock 38470 D The Option shares shall vest as follows: one-fourth (1/4th) of the shares vest one year after August 28, 2006; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of August 28, 2006, 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 September 17, 2007; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of September 17, 2007, 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 9, 2008; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of December 9, 2008, 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 February 25, 2009; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of February 25, 2009, 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 July 2, 2009; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of July 2, 2009, 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 9, 2009; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of December 9, 2009, 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 23, 2011; the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments measured from the first anniversary of March 23, 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