Company: WEBNF
Filing Date: 2025-06-26
Form Type: 424B5
Source: 0001104659-25-062718
Chunk: 91

Company: WESTPAC BANKING CORP
Filing Date: 2025-06-26
Form: 424B5
Chunk 91
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 be substituted for Westpac under the senior indenture and the Senior Debt Securities and all such obligations of Westpac shall terminate. (Section 7.1 of the senior indenture.)

#### Concerning the Trustee
Westpac may from time to time maintain credit facilities, and have other customary banking relationships with The Bank of New York Mellon, the trustee.

#### Consent to Service of Process
In accordance with the provisions of the senior indenture, we have designated Westpac Banking Corporation, New York Branch, 575 Fifth Avenue, 39th Floor, New York, New York 10017-2422, Attention: Country Head—Americas, as our authorized agent for service of process in any legal action or proceeding against us with respect to Westpac’s obligations under the senior indenture or the Senior Debt Securities instituted in any federal or state court in the Borough of Manhattan, The City of New York, New York and will irrevocably submit to the non-exclusive jurisdiction of such courts in respect of any such legal action or proceeding. (Section 1.14 of the senior indenture.)

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TABLE OF CONTENTS

### TAXATION

#### United States Taxation
The following is a general discussion of the material U.S. federal income tax considerations relating to the purchase, ownership and disposition of the Senior Debt Securities by U.S. Holders (as defined below) who purchase the Senior Debt Securities in an offering of Senior Debt Securities at their issue price (determined as set forth below) and hold the Senior Debt Securities as capital assets, within the meaning of section 1221 of the Code. This discussion does not address all of the tax considerations that may be relevant to U.S. Holders in light of their particular circumstances (including accrual method U.S. Holders that have an “applicable financial statement”) or to U.S. Holders subject to special rules under U.S. federal income tax laws, such as banks, insurance companies, retirement plans, regulated investment companies, real estate investment trusts, dealers in securities, brokers, tax-exempt entities, certain former citizens or residents of the U.S., U.S. Holders who hold the Senior Debt Securities as part of a “straddle”, “hedging”, “conversion” or other integrated transaction, U.S. Holders who mark their securities to market for U.S. federal income tax purposes or U.S. Holders whose functional currency is not the U.S. dollar. In addition, this discussion does