- On **October 21, 2025**, Concrete Partners Holding, LLC (d.b.a. Suncrete) completed the acquisition of substantially all of the assets of SRM, Inc. DBA Schwarz Ready Mix and SRM Leasing, LLC, and all equity interests of Schwarz Sand, LLC (collectively, "Schwarz").  **[1970509_0001104659-25-101287_tm2529208d1_ex99-1.htm:0]** **[1970509_0001104659-25-101287_tm2529208d1_8k.htm:1]** 
- This acquisition significantly expands Suncrete's operations in the Oklahoma City metro area, adding **20 ready-mix plants** and **more than 100 mixer trucks**, and integrating **over 200 Schwarz employees**.  **[1970509_0001104659-25-101287_tm2529208d1_ex99-1.htm:0]** 
- The acquisition is part of a broader business combination agreement entered into on **October 9, 2025**, between Haymaker Acquisition Corp. 4, Suncrete, Inc. (PubCo), and Concrete Partners Holding, LLC (Suncrete).  **[1970509_0001104659-25-101287_tm2529208d1_8k.htm:1]**

Haymaker Acquisition Corp. 4 announces Suncrete's acquisition of Schwarz Ready Mix

- **Suncrete**, a ready-mix concrete company engaged in a proposed business combination with **Haymaker Acquisition Corp. 4 (NYSE: HYAC)**, has acquired substantially all assets of Schwarz Ready Mix and Schwarz Sand, LLC.  **[1970509_20251021DA02503:0]** **[1970509_20251021DA02503:1]** 
- This acquisition significantly expands Suncrete's operations into the **Oklahoma City metro area**.  **[1970509_20251021DA02503:0]** 
- The transaction adds **20 ready-mix plants** and **more than 100 mixer trucks** to Suncrete's operations, along with **over 200 Schwarz employees**.  **[1970509_20251021DA02503:0]**

Haymaker Acquisition Corp. 4's Partner Suncrete Completes Oklahoma Acquisition

- Haymaker Acquisition Corp. 4 (HYAC) announced a proposed **business combination with Suncrete** on **October 9, 2025**, with the combined entity, Suncrete, Inc., expected to list on the New York Stock Exchange in the **first quarter of 2026**.  **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:0]** **[1970509_0001104659-25-098545_tm2528499d1_8k.htm:1]** **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:2]** 
- The transaction implies a total **enterprise value of approximately $972.6 million** for the combined company.  **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:0]** **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:1]** 
- The business combination includes **$82.5 million** in common stock private placement (PIPE) commitments from institutional investors, intended to fund future acquisitions.  **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:0]** **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:1]** 
- Suncrete, a ready-mix concrete logistics and distribution platform, operates in Oklahoma and Arkansas with plans to expand across the U.S. Sunbelt region, projecting **$130.0 million in 2026E PF Adjusted EBITDA**.  **[1970509_0001104659-25-098545_tm2528499d1_ex99-1.htm:0]** **[1970509_0001104659-25-098545_tm2528499d1_ex99-2.htm:14]** **[1970509_0001104659-25-098545_tm2528499d1_ex99-2.htm:15]**