7 2025 RESULTS LETTER TO SHAREHOLDER No 102 1. Event aimed at making stock market investing accessible to a wider audience, particularly young savers. 2. Finfluenceur: a social media influencer specializing in finance, who creates and shares content on finance and investment. Innovation ECHOLAB: THE LABORATORY ENTERS THE AGE OF AI Saint-Gobain Research Paris has developed EchoLab, an intelligent voice assistant based on generative artificial intelligence (AI) to facilitate laboratory work. This tool allows researchers to access information, follow protocols, and record their observations using only voice commands, eliminating the need for manual input. This “hands-free” approach improves the accuracy and overall quality of the data collected and helps to improve well-being, enhance concentration, and save valuable time when working in the laboratory. In time, EchoLab could also be deployed beyond R&D laboratories, particularly in operational activities such as industrial maintenance or production. INNOVATION OFF-ROAD WITH GLASROC®X Glasroc®X, a gypsum board designed for outdoor applications thanks to its high resistance to moisture and UV rays, is a model of innovation and commercial success. The synergies it creates with other Group solutions make it a perfect example of an innovative, growth-generating offering. This symbol of technical and commercial innovation, with nearly 16 million sq.m. sold in 2024, representing 15% growth compared to 2023, is now produced in 30 plants and distributed in 75 countries. The secret to Glasroc®X’s effectiveness lies in the synergy between its ADFORS fiberglass facing and the gypsum boards produced by Saint-Gobain. Strong internal collaboration has resulted in optimal water resistance, stability, and fire resistance. In addition to combining several of the Group’s solutions, Glasroc®X works perfectly with other Saint-Gobain products. Combined with Isover insulation and Weber coatings, Glasroc®X panels can be used to develop complete façade systems. Innovation Videos and interviews Keen to strengthen dialogue with its individual investors, the Group participated in several events related to individual share ownership and investment in 2025. You can find its statements (in French) by clicking on the underlined text below. During the first edition of Paris Investor Week1, which took place on November 14, 2025, the Group’s Chief Financial Officer, Maud Thuaudet, was interviewed by finfluencer2 Xavier Delmas during the conference “360 years of innovation: the secrets of reinventing a CAC 40 leader”. Her presentation highlighted the company’s ability to continuously innovate and reinvent itself in order to remain a major player in its industry. The Group later took part in Investir Day on November 25, 2025, where Maud Thuaudet presented the company’s strategic vision before taking questions from individual shareholders. In a different format, Maud Thuaudet gave a 30-minute interview to finfluencer Nicolas Chéron2, which was streamed on social media in December 2025. This unique exchange allowed her to discuss the pillars of the Group’s strategy, its worldwide leadership in light and sustainable construction, and its path to carbon neutrality by 2050 in a new format. Finally, a shareholders’ meeting was held at the Saint-Gobain Tower on December 18, 2025, during which Benoit Bazin, SaintGobain Chairman and Chief Executive Officer, presented the Group’s new strategic plan and answered questions from participants. The meeting concluded with a discussion with students, demonstrating the company’s commitment to encouraging dialogue and sharing knowledge with younger generations of investors.
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