Westpac Banking Corporation – Trading Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 7 May 2018 Subject: Westpac Banking Corporation - Trading Halt of Securities Message: NZX Regulation ("NZXR") advises that it has placed a trading halt on Westpac Banking Corporation ("WBC") ordinary shares and debt securities ("WBC010"). The trading halt was placed at pre market open this morning. The trading halt has been put in place pending the release of an announcement to be made by the company. Please contact NZX Product Operations on +64 4 496 2854 or productoperations@nzx.com with any queries. ENDS End CA:00317605 For:WBC Type:HALT Time:2018-05-07 08:30:14