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 July 17, 2026 To, To, BSE Limited, National Stock Exchange of India Limited (NSE) Phiroze Jeejeebhoy Towers, Dalal Exchange Plaza, Plot No. C/1, G Block Bandra Kurla Street, Fort, Mumbai – 400 001. Complex, Bandra (East), Mumbai – 400 051 Scrip Code: 500108 Scrip Symbol: MTNL SUB: COMPLIANCE WITH REGULATION 30 & 51 OF SEBI (LODR) REGULATIONS, 2015 - FUNDING OF 06TH SEMI ANNUAL INTEREST IN ESCROW ACCOUNT MAINTAINED IN BANK OF INDIA WRT MTNL BOND SERIES VIII A (INE153A08154) - reg Dear Sir, Further to our Letter of even no dated 10.07.2026, we would like to inform you that the funding of Designated ESCROW Account maintained in Bank of India for payment of the 06th Semi Annual Interest w.r.t. 7.59 % MTNL Bond Series VIIIA (INE153A08154) is due on 20th July 2026, has been done on 17th July 2026. Kindly take the same on record. Thanking You, Yours faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY