Westpac Banking Corporation (“WBC”) – Trading Halt

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 6 May 2019 Subject: Westpac Banking Corporation ("WBC") - Trading Halt of Securities Message: NZX Regulation ("NZXR") advises that, at the request of the company, it has placed a trading halt on Westpac Banking Corporation ("WBC") ordinary shares and debt securities ("WBC010"). The trading halt was placed pre market open this morning. The halt will remain in place until the earlier of: o The release by WBC of its half-year financial results; or o Market open on Tuesday, 7 May 2019. Please contact NZX Product Operations on +64 4 496 2854 or productoperations@nzx.com with any queries. ENDS End CA:00334083 For:WBC Type:HALT Time:2019-05-06 08:34:11