Westpac Banking Corporation

Interest Rate Update/Notice • Jul 11, 2025

National Storage Mechanism | Additional information

FRN Variable Rate Fix

As Agent Bank, please be advised of the following rate determined on: 7/11/2025
Issue	¦ Westpac Banking Corporation Series No 1554 GBP 250,000,000 FRN due July 2025
ISIN Number	¦ XS2864454629
ISIN Reference	¦ 286445462
Issue Nomin GBP	¦ 250000000
Period	¦ 4/22/2025 to 7/18/2025						Payment Date 7/18/2025
Number of Days	¦ 87
Rate	¦ 4.5897
Denomination GBP	¦ 100000			¦ 250000000					¦
Amount Payable per Denomination	¦ 1093.98			¦ 2734950					¦
Bank of New York
Rate Fix Desk	Telephone						¦ 44 1202 689580
Corporate Trust Services		Facsimile					¦ 44 1202 689601

View source version on businesswire.com: https://www.businesswire.com/news/home/20250711376845/en/

Bank of New York Mellon