Please find attached newspaper advertisements regarding Special Window for transfer and dematerialisation of physical shares

September 30, 2026 BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Fort Mumbai 400 001 Scrip Code No. 515043 Dear Sir/Madam, Sub: Newspaper Advertisements regarding Special Window for transfer and dematerialisation of physical shares Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015, we hereby enclose copies of newspaper advertisements published today in Financial Express (English) and Loksatta (Marathi) informing shareholders in connection with the following: • Special Window for transfer and dematerialisation of physical shares pursuant to SEBI Circular No. SEBI/HO/38/13/11(2)2026-MIRSD-POD/I/3750/2026 dated January 30, 2026 which will remain open from February 5, 2026 to February 4, 2027. The above information is also available on the website of the Company https://www.sekuritindia.com/. This is for your information and records. Thanking you, Yours faithfully, For Saint-Gobain Sekurit India Limited Naresh Sharma Company Secretary Membership No. F7969 Encl: As Above SAINT-GOBAIN SEKURIT INDIA LIMITED Registered Office & Works: Plot No. 616 & 617, Village Kuruli, Pune-Nashik Road, Chakan, Pune 410 501 Tel: +91 2135 676 400/01 • Fax: +91 2135 676 444 • E-mail: sekurit.investors@saint-gobain.com Website: www.sekuritindia.com • CIN: L26101MH1973PLC018367