Westpac Banking Corporation (“WBC”) – Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 01 November 2021 Subject: Westpac Banking Corporation ("WBC") - Trading Halt of Securities Message: NZ RegCo advises that, at the request of the company, it has placed a trading halt on Westpac Banking Corporation ("WBC") ordinary shares. The trading halt was placed at pre market open today. The halt will remain in place until the release today by WBC of its Full Year Results and related documents. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS End CA:00381919 For:REGCO Type:HALT Time:2021-11-01 08:41:28