Eureka Acquisition Corp. Form 8-K Filing

Eureka Acquisition Corp. announced on March 13, 2026, that it has entered into an agreement to extend its business combination timeline. The company has deposited $150,000 into its trust account, securing a one-month extension to April 3, 2026, with potential further extensions up to July 3, 2026, subject to additional monthly deposits of $150,000. This extension was facilitated by Marine Thinking Inc., an autonomous ship and fleet solutions provider, through a business combination agreement. In connection with this extension, Eureka Acquisition Corp. issued an unsecured promissory note of $150,000 to Marine Thinking Inc. This note is non-interest-bearing and payable upon the consummation of the business combination or the maturity date. Marine Thinking Inc. holds the right to convert the note into private units of Eureka Acquisition Corp. The issuance of the note is made under the exemption provided by Section 4(a)(2) of the Securities Act of 1933.