X0306 4 2020-06-12 0 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001184627 FENTON DENNIS M C/O PORTOLA PHARMACEUTICALS, INC. 270 EAST GRAND AVENUE SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Common Stock 2020-06-12 4 A 0 7281 0.00 A 20475 D Stock Option (Right to Buy) 17.94 2020-06-12 4 A 0 11377 0.00 A 2030-06-11 Common Stock 11377 11377 D Grant of Restricted Stock Units ("RSUs") in consideration of services rendered. The RSUs fully vest on March 1, 2021, subject to the Reporting Person's Continuous Services (as defined in the Issuer's 2013 Equity Incentive Plan) as of such date. The Option shall vest as follows: 1/12th of the shares subject to the option shall vest on the first of each month after the grant date, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2013 Equity Incentive Plan) as of each such date. /s/ Mike Ouimette, as attorney-in-fact 2020-06-15