Certificate under Regulation 74(5) of SEBI (DP) Regulation 2018 for the Quarter ended September 30, 2026

October 7, 2026 BSE Limited National Stock Exchange of India Ltd. Listing Department Listing Department P. J. Towers, Exchange Plaza, Plot No. C-1, Block G, Dalal Street, Fort Bandra Kurla Complex, Mumbai – 400 001 Bandra (E), Mumbai – 400 051 Scrip Code: 532371 Scrip Symbol: TTML National Securities Depository Ltd. Central Depository Services (India) Ltd. Trade World, A Wing, 4th & 5th Floor, 25th Floor, Marathon Futurex, Kamala Mills Compound, N. M. Joshi Marg, Senapati Bapat Marg, Lower Parel (East), Lower Parel, Mumbai - 400 013 Mumbai – 400 013 Dear Sir/Madam, Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026 This is to certify that the details of securities dematerialized and rematerialized during the aforesaid period, as required under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 have been furnished to all the Stock Exchanges, where the securities of Tata Teleservices (Maharashtra) Limited are listed. Kindly take the same on your records. Yours faithfully, For Tata Teleservices (Maharashtra) Limited Shinu Mathai Chief Financial Officer PAN: AFJPM6603H Place: Navi Mumbai