{"url_path":"/sec/eurk/8-k/2026-06-23/item-1-01","section_key":"item-1-01","section_title":"Item 1.01 Entry into a Material Definitive","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-23","source_url":"https://www.sec.gov/Archives/edgar/data/2000410/0001213900-26-070821-index.html","accession_number":"0001213900-26-070821","cik":"0002000410","ticker":"EURK","issuer_name":"Eureka Acquisition Corp","edgar_url":"https://www.sec.gov/Archives/edgar/data/2000410/0001213900-26-070821-index.html","primary_entity_key":"0002000410","primary_entity_name":"Eureka Acquisition Corp"},"word_count":227,"has_tables":true,"body_markdown":"**Item 1.01. Entry into a Material Definitive\nAgreement.**\n\n \n\nAs previously reported in\nthe Current Report on Form 8-K, filed with the U.S. Securities and Exchange Commission on November 3, 2025, Eureka Acquisitions Corp,\na Cayman Islands exempted company (the “**SPAC**”) entered into a business combination agreement on October 29, 2025,\n(the “**BCA**”) with Marine Thinking Inc., a company (the “**Company**”) incorporated under the Canada\nBusiness Corporations Act (“**CBCA**”) and 17358750 Canada Inc., a company incorporated under the CBCA and a wholly-owned\nsubsidiary of the SPAC (the “**Amalgamation Sub**,” together with the SPAC and the Company, the “**Parties**,\n” and each, a “**Party**”).\n\n \n\nPursuant to section 9.4 of\nthe BCA, the BCA may be amended by a writing singed by each Party. On June 12, 2026, the Parties entered into an amendment No. 1 to the\nBCA (the “**Amendment No. 1**”). Pursuant to the Amendment No. 1, the Parties agreed to revise section 5.19 to revise the\nrequirements for the post-closing directors of the SPAC. Except as expressly provided by the Amendment No. 1, the provisions of the BCA\nremain unchanged and in full force and effect.\n\n \n\nThe foregoing description\nof the Amendment No. 1 is only a summary and is qualified in its entirety by reference to the full text of the Amendment No. 1, which\nis attached hereto as Exhibit 2.1, and incorporated by reference herein."}