X0306 4 2014-10-08 0 0001269021 PORTOLA PHARMACEUTICALS INC PTLA 0001512375 Maxwell (Mauritius) Pte Ltd C/O CIM CORPORATE SERVICES LTD., LES CASCADES, EDITH CAVELL ST. PORT LOUIS O4 04NA MAURITIUS 0 0 1 0 0001434871 Cairnhill Investments (Mauritius) Pte Ltd C/O IMM, LES CASCADES EDITH CAVELL STREET PORT LOUIS O4 MAURITIUS 0 0 1 0 0001379348 Fullerton Management Pte Ltd 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 0001021944 Temasek Holdings (Private) Ltd 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 Common Stock 2014-10-08 2014-10-08 4 P 0 1600000 26.00 A 5833568 D Maxwell (Mauritius) Pte. Ltd. is wholly owned by Cairnhill Investments (Mauritius) Pte Ltd., which is wholly owned by Fullerton Management Pte Ltd., which is wholly owned by Temasek Holdings (Private) Limited. Each of Cairnhill, Fullerton or Temasek, through the ownership described herein, may be deemed to beneficially own the shares held by Maxwell (Mauritius) Pte Ltd. /s/ Rooksana Shahabally Director, Maxwell (Mauritius) Pte Ltd. 2014-10-08 /s/ Rooksana Shahabally Director, Cairnhill Investments (Mauritius) Pte Ltd. 2014-10-08 /s/ Sio Han Boon Director, Fullerton Management Pte Ltd. 2014-10-08 /s/ Chua Eu Jin Authorized Signatory Temasek Holdings (Private) Limited 2014-10-08