X0206 3 2018-10-08 1 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001533228 Garland J. Scott C/O PORTOLA PHARMACEUTICALS, INC. 270 E. GRAND AVENUE SOUTH SAN FRANCISCO CA 94080 1 1 0 0 President and CEO /s/ Mike Ouimette, as attorney-in-fact 2018-10-17