Investor Presentaiton

October 12, 2021 GBM CERAMIC: STRATEGIC JOINT VENTURES Over its 43 years of existence, CERAMIC has found a strategic vehicle in joint ventures (JVs) to pursue new growth opportunities, complement its product offering, and enhance its industry knowledge. The company has established a JV with Custom Building Products, Inc. ("Custom") in the Adhesives business and another one with Daltile in the Ceramic Tiles business-CERAMIC consolidates both JVs due to its controlling ownership. Additionally, CERAMIC entered into a JV in China with Guangdong Kito Ceramics Co., Ltd. ("Kito Ceramics") to create a company called ICC Guangdong Xinfengjing Ceramics, Co., Ltd., under which both CERAMIC and Kito Ceramics distribute their products under the ICC brand with local distributors in the Asian country. The latter is consolidated under the equity method. Recubrimientos Interceramic, S.A. de C.V. ("RISA") &daltile 49.99% INTERCERAMIC 50.01% Consolidated Businesses Who is Daltile? Daltile is a U.S./Mexico ceramic player with over 55 years of experience in the industry. Daltile is a subsidiary of Mohawk Industries, the largest manufacturer, distributor, and marketer of ceramic tiles and natural stone in the world. The Daltile agreement. In 1990, Armstrong acquired 49.99% of Recubrimientos Interceramic, S.A. de C.V. ("RISA"). Following the acquisition, the RISA plant was built, and it currently has seven million square meters of capacity, representing -15% of CERAMIC's total installed capacity. In 1995, Daltile bought American Olean, the ceramic business that belonged to Armstrong, maintaining the same percentage of ownership as in RISA and formalizing the agreement between CERAMIC and Daltile. Under the agreement, Daltile owns 50% of the plant's production capacity. JV agreement with legal conflicts. With the plant operating in the red since 2012, Daltile and CERAMIC have enmeshed in a legal dispute over the plant. Meanwhile, if CERAMIC manages to keep the asset and turn it around, it would become an upside risk to its operating figures. The company's management believes that with minor investments, a turnaround should be feasible. Adhesivos y Boquillas Interceramic, S. de R.L. de C.V. ("ABISA") CUSTOM BUILDING PRODUCTS 49% INTERCERAMIC 51% Who is Custom Building Products, Inc? It is North America's industry leader in flooring preparation products and tile and stone installation systems for residential and commercial projects. The Custom agreement. In 1993, Custom acquired 49% of Adhesivos y Boquillas Interceramic, S. de R.L. de C.V. ("ABISA"), where CERAMIC agreed to offer administrative and technical services to produce adhesives on a large scale. Custom granted ABISA exclusive rights to distribute Custom products in Mexico and not to compete with the company's products. A very successful partnership. The JV with Custom has allowed CERAMIC to participate in a growing and profitable category, such as adhesives, while expanding its product offering. This well-run business has increased its sales at a CAGR of -7% since 2012 and it has paid dividends to both parties under a payout ratio of -75% of its net income during the past eight years. More importantly, considering that LAMOSA holds the majority of the adhesives market in Mexico, CERAMIC has leeway to grab market share and keep growing this business with the help of an industry leader in North America. ICC Guangdong Xinfengjing Ceramics, Co., Ltd. KITO 50% INTERCERAMIC 50% Consolidated under equity method Source: Company data The Kito Ceramics agreement. In 2010, Kito Ceramics and CERAMIC signed an agreement whereby each would hold a 50% stake in ICC Guangdong Xinfengjing Ceramics, Co., Ltd., a company incorporated in China to commercialize the products of both CERAMIC and Kito Ceramics, as well as third-party products. The operations of this company are based on granting licenses to distributors and local businesses under the ICC brand. ICC currently has over 100 stores from distributors in China. LAMOSA/CERAMIC: THE ROAD TO GROWTH IS PAVED WITH TILES. | 43

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