WNZ – Trading Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Monday, 2 November 2026 Subject: Westpac New Zealand Limited (“WNZ”) – Trading Halt of Securities Message: NZ RegCo advises that, at the request of Westpac New Zealand Limited (“WNZ”), it has placed a trading halt on WNZ1T2, WNZ2T2, and WNZHA notes. The trading halt was placed at pre-market open today. Attached is the trading halt application, for further information. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS