Resignation

October 14, 2026 BSE Limited National Stock Exchange of India Limited P. J. Towers, Exchange Plaza C-1, Block G, Dalal Street Bandra Kurla Complex, Mumbai – 400 001 Bandra (East), Mumbai - 400 051 Scrip Code: 532371 Scrip Symbol: TTML Dear Sir/Madam, Subject: Intimation under Regulation 30 of Listing Regulations - Intimation of Resignation by Director In accordance with Regulation 30 and Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("Listing Regulations"), please be informed that Mr Nalin Rana (DIN:11211374) vide his letter dated October 14, 2026, conveyed his intention to step down from the position of Director of the Company with effect from close of business hours of October 22, 2026. The Board of Directors of the Company places on record their highest appreciation for the guidance, support and significant contributions made by him during his tenure with the Company. Details required under Regulation 30 read with Para A of Schedule Ill (Part A) of Listing Regulations, along with the additional details required under the Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, as amended, are enclosed herewith as Annexure - A. A copy of the resignation letter received from Mr Nalin Rana is attached as Annexure - B. This information is also being made available on the Company’s website, i.e., www.tatatelebusiness.com. For Tata Teleservices (Maharashtra) Limited Amit Gupta Company Secretary & Compliance Officer Membership No. ACS 13518 Place: Mohali Encl.: As stated above. Annexure - A Details required under Regulation 30 of the Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026, last updated on January 30, 2026 Sr. Particulars Mr Nalin Rana (Resignation) 1 Reasons for change viz. Mr Nalin Rana (DIN:11211374) vide his letter dated October 14, 2026, appointment, re- has tendered his resignation from the position of Director of Tata appointment, resignation, Teleservices (Maharashtra) Limited, due to other commitments. There removal, death or are no material reasons for his resignation other than those mentioned otherwise in his resignation letter. 2 Date of Appointment / re- Resignation effective from the close of business hours of October 22, appointment / cessation 2026 Terms of appointment - 3 Brief profile (in case of Not Applicable appointment) 4 Disclosure of relationship Not Applicable between Directors