Westpac Banking Corporation (“WBC”) – Trading Halt

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 07 November 2022 Subject: Westpac Banking Corporation ("WBC") - Trading Halt of Securities Message: NZ RegCo advises that, at the request of the issuer, it has placed a trading halt on Westpac Banking Corporation ("WBC") Ordinary Shares. The halt was placed at premarket open today, Monday, 07 November 2022. The trading halt has been put in place pending the release of Annual Results from the issuer. The trading halt will remain in place until market open on Tuesday, 08 November 2022. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS End CA:00401843 For:WBC Type:HALT Time:2022-11-07 08:32:48