General Updates

MAHANAGAR TELEPHONE NIGAM LIMITED (A GOVERNMENT OF INDIA ENTERPRISE) CIN L32101DL1986GOI023501 Registered and Corporate Office: Mahanagar Doorsanchar Sadan 5th Floor, 9 CGO Complex, Lodhi Road, New Delhi - 110 003. Tel: 011-24319020, Fax: 011-24324243, Website: www.mtnl.in, Email: mtnlcsco@gmail.com MTNL/SECTT/SE/2026 September 09, 2026 To, To, BSE Limited, National Stock Exchange of India Limited (NSE) Phiroze Jeejeebhoy Towers, Dalal Street, Exchange Plaza, Plot No. C/1, G Block Bandra Kurla Fort, Mumbai – 400 001. Complex, Bandra (East), Mumbai – 400 051 Scrip Code: 500108 Scrip Symbol: MTNL SUB: COMPLIANCE OF REGULATION 30 & 51 OF SEBI (LODR) REGULATIONS, 2015 - DISCLOSURE OF EVENTS OR INFORMATION – APPOINTMENT OF STATUTORY AUDITORS UNDER SECTION 139 OF THE COMPANIES ACT, 2013 FOR THE FINANCIAL YEAR 2026-2027 - reg Dear Sir, In compliance of Regulation 30 & 51 of SEBI (LODR) Regulations, 2015, this is to inform you that Comptroller and Auditor General of India vide its Letter No./CA.V/COY/CENTRAL GOVERNMENT, MTNL(2)/520 dated 08.09.2026 has appointed the following firms of Charted Accountants as Joint Statutory Auditors of the Company for the Financial Year 2026-27: 1. M/s S L Chhajed &Co LLP, New Delhi 2. M/s S P A R K & Associates Chartered Accountants LLP, New Delhi It may be noted that there is no change of 1st Statutory Auditors i.e. M/s S L Chhajed &Co LLP, New Delhi from last year. Further the Joint Statutory Auditors shall also be the Auditors of Consolidated Financial statements of the Company under Section 139 read with Section 129(4) of the companies Act, 2013. Kindly take the same on record. Thanking You Yours Faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY