David J. Crandall

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.

Calfee Halter & Griswold LLP operates as a full-service, corporate law firm that advises private and public clients. Its services include business transactions, government relations, intellectual property, and commercial litigation. The company was founded by Robert M. Calfee in 1903 and is headquartered in Cleveland, OH.