Concrete Partners Holding, LLC ("CPH"), a ready-mix concrete logistics and distribution platform strategically located in Oklahoma and Arkansas, and Haymaker Acquisition Corp. 4 (NYSE: HYAC) ("Haymaker"), a publicly traded special purpose acquisition company, today announced the successful completion of their previously announced business combination (the "Business Combination"). CPH is the portfolio company of SunTx Capital Partners ("SunTx"), a leading Texas-based private equity firm that invests in construction materials, manufacturing, distribution and service companies. Following the closing of the Business Combination, the go-forward public company is named Suncrete, Inc. ("Suncrete" or the "Company"), and its Class A common stock is expected to begin trading on The Nasdaq Global Market ("Nasdaq") under the ticker "RMIX" on April 9, 2026.