Q1 2022 & FY 2021 Results

Exports to U.S. Cement plant Other operations . • Concrete plants • Distribution centers ⚫ Aggregates •Concrete block • Asphalt plant •Pre-cast plant GCC IS THE LEADING PRODUCER IN THE STATE OF CHIHUAHUA, WITH SIGNIFICANT EXPORT CAPACITY 2021 SALES MIX Juarez Samalayuca ■Chihuahua Cuauhtemoc Ocampo Parral Great Place To Work®Ⓡ CERTIFICADA Ene 2020 Dic 2020 MEX Mexico cement capacity: 2.3 mmt GCC is sole producer of cement and the leading producer of ready-mix concrete in Chihuahua. Close economic ties between Chihuahua and the U.S. Cyclical recovery benefit • Foreign direct investment target Demand growth driven by private sector Flexibility to supply Texas and New Mexico demand from Samalayuca and Juarez plants EXPORT SHARE OF MEXICO'S VOLUME SALES CEMENT DOMESTIC PRICING TRENDS (% CHANGE YEAR-ON-YEAR)¹ GCC Products Other Aggregates 10% 4% Bagged 30% Concrete block 5% Ready-mix concrete 26% Cement and mortar 55% Format 58% 75% 68% 61% 55% 18.0% 8.2% 5.7% O...... Bulk 58% 70% 2017 2018 2019 2020 2021 Q1-22 1.4% 4.2% 11.7% 2017 2018 2019 2020 2021 Q1-22 17 1 Price changes in local currency

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