Q1 2022 & FY 2021 Results

LATEST ESG ACHIEVEMENTS ● GCC GCC joined the Science Based Targets initiative to verify CO2 reduction targets Three long-term agreements were signed with renewable energy suppliers covering approximately 20%, 100% and 50% of the electricity consumed at Mexico's operations, Odessa plant and Rapid City plant, respectively GCC joined GCCA's research network, Innovandi Use of biomass fuel at the Juarez plant reduced CO2 emissions by 38% energy ENERGY STAR 2020 ENERGY STAR CERTIFIED FACILITY www.energystar.gov . Rapid City has permanently shut down two wet kilns Two U.S. cement plants earned EPA Energy Star certification . Pueblo plant earned the Energy Star certification for second year in a row Great Place To WorkⓇ Certificada NOV 2020-OCT 2021 MÉXICO . Rapid City plant earned the Energy Star certification Pueblo Plant won the PCA's Chairman's Safety Performance Award PCA recognized Odessa plant for outstanding environmental efforts Zero fatalities 11% reduction in lost time incident frequency and 31% reduction in severity rate (2020) Great Place To WorkⓇ Certified DEC 2020-DEC 2021 USA ● GCC Foundation focuses on sustainable living projects throughout Chihuahua Mexico Great Place to Work® ranking increased to 7th from 14th ● U.S. Division was certified as a Great Place to Work® 16th consecutive year awarded Mexican Center for Philanthropy ESR EMPRESA SOCIALMENTE RESPONSABLE 35 55

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