Copy of Newspaper Publication

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 WITH REGULATION 30 & 47 OF SEBI (LODR) REGULATIONS, 2015 – SUBMISSION OF NEWSPAPER ADVERTISEMENT - reg Dear Sir, Pursuant to Regulation 30 and 47(3) read with Schedule lll of SEBI (LODR) Regulations, 2015, please find enclosed the copies of newspaper advertisement published on 09.09.2026, in the newspaper Financial Express all edition (English Newspaper) and Jansatta Delhi edition (Hindi Newspaper) respectively, regarding Notice of 40th Annual General Meeting and E-voting information and Book Closure of MTNL. Further, in terms of Regulation 46 of SEBI (LODR) Regulations, 2015, the aforesaid Notice of 40th Annual General Meeting and E-voting information and Book Closure of MTNL are also uploaded on the website of the Company (www.mtnl.in). Kindly take the above information on record. Thanking You, Yours faithfully (RATAN MANI SUMIT) COMPANY SECRETARY Encl: A/a