Westpac Banking Corporation – Trading Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Tuesday, 17 December 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 WBC010 notes. The trading halt was placed pre market open this morning. The halt will remain in place until the earlier of: o An announcement made by the issuer; or o Market open on Wednesday, 18 December 2019. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS End CA:00346107 For:WBC Type:HALT Time:2019-12-17 08:52:55