Change in Director(s)

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 July 08, 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 – CESSATION & APPOINTMENT OF GOVERNMENT NOMINEE DIRECTORS - In compliance of Regulation 30 & 51 of SEBI (LODR) Regulations 2015, this is to inform you that Shri Sunil Kumar Ranjan, DDG (C & A), DoT & Shri Alok Shukla, Advisor, DoT, have ceased to be Government Nominee Directors on the Board of the Company w.e.f. 08.07.2026, consequent upon the withdrawal of their nomination vide Letter No. E-5-2/2021-PSA dated 08.07.2026 of Department of Telecommunications (DoT), Ministry of Communications, Government of India (Copy Attached). Further, this is to inform you that Shri Shyamal Misra, Additional Secretary (Telecommunications), DoT & Shri K Balaji, Joint Secretary (Administration), DoT, have been appointed as Government Nominee Directors, ex-officio, on the Board of the Company with immediate effect and until further orders. This is for your kind information and record. Thanking You Yours Faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY