Q1 2022 & FY 2021 Results

WHERE GCC FACES FRAGMENTED COMPETITION AND HAS A DIVERSIFIED BUSINESS MIX GCC MARKET POSITION AND COMPETITORS IN CORE MARKETS GCC market position GCC cement plant in state COLORADO #2 N. MEXICO N. DAKOTA S. DAKOTA W. TEXAS WYOMING MONTANA GCC #1 #3 #1 #1 #2 #1 * Refers to West Texas only BZU, SRMG* EXP CRH Competitor in-state plant LHN, CX Other principal competitors EXP LHN HEI, LHN CRH LHN, CRH ** U.S. 2021 SALES MIX Cement and mortar 75% O Ready-mix concrete 16% Other 9% U.S. 2021 PRODUCTION VOLUME BY CEMENT TYPE Gray cement, specialty and masonry 84% Oil-well cement 16% Public 50% 11% of GCC's total volume 1Sales by segment, weighted GCC sales by state. PCA Winter forecast 2021 U.S. 2021 SECTORS¹ Aprox. 12 mmt of capacity in East and Central Texas O Residential 27% Commercial Oil Rig/Well 7% 16% 11

View entire presentation