LONDON–(BUSINESS WIRE)– As Agent Bank, please be advised of the following rate determined on: 10/1/2026 Issue ¦ Westpac Banking Corporation Series No 1560 GBP100,000,000 FRN Due in October 2026 ISIN Number ¦ XS2912343212 ISIN Reference ¦ 291234321 Issue Nomin GBP ¦ 100000000 Period ¦ 7/8/2026 to 10/8/2026 Payment Date 10/8/2026 Number of Days ¦ 92 Rate ¦ 4.118 Denomination GBP ¦ 100000 ¦ 100000000 ¦ Amount Payable per Denomination ¦ 1037.96 ¦ 1037960 ¦ Bank of New