February 12, 2014

CARBO Ceramics Inc. (ticker: CRR) is the world’s largest supplier of ceramic proppant for fracturing oil and gas wells and a supplier of resin-coated sand (RCS) proppant; the provider of the industry’s most widely used fracture simulation software; and a provider of fracture design and consulting services. The company also provides a broad range of technologies for spill prevention, containment