Westpac Banking Co (“WBC”) – Trading Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 3 May 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, and ("WBC010") Corporate Notes. The trading halt was placed pre market open on Monday, 3 May 2021. The halt will remain in place until the release today by WBC of its half-year financial results and related documents. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS End CA:00371499 For:WBC Type:HALT Time:2021-05-03 08:30:35