Company: WEBNF
Filing Date: 2025-06-26
Form Type: 424B5
Source: 0001104659-25-062718
Chunk: 111

Company: WESTPAC BANKING CORP
Filing Date: 2025-06-26
Form: 424B5
Chunk 111
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 in the absence of such purchases. Such stabilization, if commenced, may be discontinued at any time and must be brought to an end after a limited period. Such stabilization, if any, will be in compliance with all laws. The imposition of a penalty bid might also have an effect on the price of a security to the extent that it were to discourage resales of the security.

#### Conflicts of Interest.
Westpac Banking Corporation is not a U.S. registered broker-dealer and, therefore, to the extent that it intends to effect any sales of offered securities in the United States, it will do so through Westpac Capital Markets LLC, a U.S. registered broker dealer, which we refer to as WCM. WCM is an affiliate of Westpac Banking Corporation. Offerings of securities will be conducted in compliance with Rule 5121 of the Financial Industry Regulatory Authority, Inc., which we refer to as FINRA, regarding a FINRA member firm’s distribution of the securities of an affiliate and related conflicts of interest. In accordance with FINRA Rule 5121, WCM may not make sales of the offered securities to any discretionary accounts without the prior written approval of the customer.

This prospectus, together with the relevant prospectus supplement and prospectus describing the terms of the specific series of securities being offered and sold, may be used by Westpac or WCM in connection with offers and sales of such securities in market-making transactions at negotiated prices related to prevailing market prices at the time of sale, or at other prices. Westpac or WCM may act as principal or agent in these transactions. Neither Westpac nor WCM is obligated to make a market in any of the securities referenced on the cover of this prospectus and either Westpac or WCM may discontinue any market-making at any time without notice, at its sole discretion.

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### WHERE YOU CAN FIND MORE INFORMATION
We file annual and other reports and other information with the SEC under the Securities Exchange Act of 1934, as amended, which we refer to as the Exchange Act. The SEC maintains an Internet site, http://www.sec.gov , which contains reports, proxy and information statements and other information regarding issuers that are subject to the SEC’s reporting requirements.

You may request a copy of any filings (excluding exhibits) referred to above and in “Incorporation of Information We File with the SEC” at no cost by contacting us at the following address: Westpac Banking Corporation,