SunTx Capital Partners' Portfolio Company, Suncrete, and Haymaker Acquisition Corp. 4, Successfully Complete Business Combination

Combined Company to Trade as Suncrete Under Ticker "RMIX" Suncrete to Ring the Nasdaq Stock Market Closing Bell DALLAS, April 8, 2026  /PRNewswire/ -- 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.