Company: WEBNF
Filing Date: 2025-06-04
Form Type: 6-K
Source: 0001104659-25-056154
Chunk: 0

Company: WESTPAC BANKING CORP
Filing Date: 2025-06-04
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE
13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

June 4, 2025

Commission File Number 1-10167

WESTPAC BANKING CORPORATION

(Translation of registrant’s name into English)

(Address of principal executive office)

Indicate by check mark whether the registrant
files or will file annual reports

under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨</div>

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Incorporation by Reference

The information contained
in this Report on Form 6-K, excluding the information set forth in Exhibit 1, shall be incorporated by reference in the prospectuses
relating to the Registrant’s securities contained in the Registrant’s Registration Statements on Form F-3 (File Nos.
333-283007 and 333-283008), as such prospectuses may be amended or supplemented from time to time.

ASIC proceedings against RAMS Financial Group

Westpac has announced today
that its subsidiary, RAMS Financial Group Pty Limited (RFG), has reached agreement with ASIC to resolve ASIC’s investigation into
the RAMS business through agreed civil penalty proceedings filed in the Federal Court.

The proceedings relate to
RFG’s oversight of conduct of RAMS franchisees and their employees who were authorised credit representatives of RFG between June 3,
2019 to April 30, 2023. ASIC and RFG have prepared a Statement of Agreed Facts and Admissions.

RFG will continue to work
cooperatively with ASIC to resolve the proceedings as quickly as possible. Westpac expects existing provisions should be sufficient to
meet the financial outcome of the proceedings, subject to court approval.

Index to Exhibits

| Exhibit 
 No.     |     | Description                                   |
| 1       |     | ASIC proceedings against RAMS Financial Group |

Disclosure regarding forward-looking statements

The information contained in this