Charles D. Fowler

Bison Merger Sub I LLC engages in the provision and supply of proppants and sand products. It operates through the Proppant Solutions; and Industrial & Recreational Products (I&R) segments. The Proppant Solutions predominantly provides sand-based proppants for use in hydraulic fracturing operations through the U.S. and Canada, Argentina, Mexico, China, and northern Europe. The I&R segment provides raw, coated, and custom blended sands to foundry, buildings products, glass, turf and landscape, and filtration industry in North America. The company was founded in 1986 and is headquartered in Chesterland, OH.

Fairmount Santrol, Inc. engages in the production of sand and sand-based products used by oil and gas exploration. The firm also provides foundry, building products, water filtration, and oil and gas solutions. The company was founded by William E. Conway in 1978 and is headquartered in Chesterland, OH.

The Cleveland Water Alliance is a non-profit organization based in Cleveland, OH that was established in 2014. The non-profit company seeks to better utilize Lake Erie's economic and job-creating potential while urging greater care of our most valuable natural asset. The company's goal is to invest in early-stage innovative water technology companies, advancing water solutions, providing opportunities for innovators and investors, and accelerating positive impacts on our greatest water challenges.

Covia Holdings LLC. engages in the provision of diversified mineral-based and material solutions. It offers custom toll blending, micronization, bagging and packaging, and logistics. The company was founded in 1970 and is headquartered in Independence, OH.