Regulation FD Disclosure (Form 8-K)

As previously disclosed, on October 9, 2025, Haymaker Acquisition Corp. 4 ("Haymaker"), Suncrete, Inc. ("PubCo"), Concrete Partners Holding, LLC ("Suncrete") and the other parties signatory thereto, entered into a Business Combination Agreement (the "Business Combination Agreement") with respect to a business combination between Haymaker, PubCo and Suncrete (the "Business Combination").

Haymaker has determined to postpone the date of its special meeting of warrantholders to be held in connection with the Business Combination (the "Warrantholder Meeting") from March 26, 2026 to March 30, 2026. As a result of this change, the Warrantholder Meeting will now be held at 9:00 a.m. New York Time on March 30, 2026, or such other date and at such other place to which the Warrantholder Meeting may be postponed or adjourned.

Additional Information and Where To Find It

In connection with the Business Combination, PubCo and Suncrete have filed with the United States Securities and Exchange Commission (the "SEC") a registration statement on Form S-4 (the "Registration Statement"), which includes a proxy statement with respect to Haymaker's shareholder meeting to vote on the Business Combination and a prospectus with respect to PubCo's securities to be issued in connection with the Business Combination (the "proxy statement/prospectus"), as well as other relevant documents concerning the Business Combination. The definitive proxy statement/prospectus included in the Registration Statement has been mailed to the shareholders and warrantholders of Haymaker as of the record date established for voting on the Business Combination. INVESTORS AND SHAREHOLDERS OF HAYMAKER ARE URGED TO READ CAREFULLY AND IN THEIR ENTIRETY THE PROXY STATEMENT/PROSPECTUS REGARDING THE BUSINESS COMBINATION, AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and shareholders can obtain a free copy of the proxy statement/prospectus, as well as other filings containing information about PubCo, Haymaker and Suncrete, without charge, at the SEC's website, http://www.sec.gov.

No Offer or Solicitation

This Current Report on Form 8-K (this "Report") shall not constitute a solicitation of a proxy, consent or authorization with respect to any securities or in respect of the Business Combination. This Report shall also not constitute an offer to subscribe for, buy or sell, the solicitation of an offer to subscribe for, buy or sell or an invitation to subscribe for, buy or sell any securities or the solicitation of any vote or approval in any jurisdiction pursuant to or in connection with the proposed transactions or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act, and otherwise in accordance with applicable law.