Confidential portions of this exhibit have been omitted and filed separately with the Securities and Exchange Commission under a confidential treatment request. The redacted terms have been marked in this exhibit at the appropriate place with “XXX”.Letter Agreement • October 25th, 2018 • Carbo Ceramics Inc • Abrasive, asbestos & misc nonmetallic mineral prods • Texas
Capitalized terms not otherwise defined herein shall have the meanings given to such terms in the letter agreement between CARBO Ceramics Inc. and XXX, dated September 17, 2018.
