Westpac Banking Corporation (“WBC”) – Trading Halt

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 4 November 2019 Subject: Westpac Banking Corporation ("WBC") - Trading Halt of Securities Message: NZX Regulation ("NZXR") advises that at the request of the issuer, it has placed a trading halt on Westpac Banking Corporation ordinary shares ("WBC"). The trading halt was put in place pre-market open this morning. The halt has been placed pending the release of an announcement by the company. WBC ordinary shares will remain in halt until the earlier of: o An announcement made by the issuer; or o The open of trading on Tuesday, 5 November 2019 Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS End CA:00343686 For:WBC Type:HALT Time:2019-11-04 08:55:17