FRN Variable Rate Fix

LONDON, June 23, 2026–(BUSINESS WIRE)–

As Agent Bank, please be advised of the following rate determined on: 6/22/2026

Issue

¦ Westpac Banking Corporation- Series 1463 AUD 40,000,000 FRN Due September 2031

ISIN Number

¦ XS2388390762

ISIN Reference

¦ 238839076

Issue Nomin AUD

¦ 40000000

Period

¦ 6/22/2026 to 9/21/2026

Payment Date 9/21/2026

Number of Days

¦ 91

Rate

¦ 5.1666

Denomination AUD

¦ 1000000

¦ 40000000

¦

Amount Payable per Denomination

¦ 12881.11

¦ 515244.4

¦

Bank of New York

Rate Fix Desk

Telephone

¦ 44 1202 689580

Corporate Trust Services

Facsimile

¦ 44 1202 689601

As Agent Bank, please be advised of the following rate determined on: 6/22/2026

¦ Westpac Banking Corporation- Series 1463 AUD 40,000,000 FRN Due September 2031

Amount Payable per Denomination

View source version on businesswire.com: https://www.businesswire.com/news/home/20260623618139/en/

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