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 10, 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 - NON-FUNDING OF 06TH SEMI ANNUAL INTEREST IN ESCROW ACCOUNT MAINTAINED IN BANK OF INDIA WRT MTNL BOND SERIES VIIIA (INE153A08154)- reg Dear Sir, Pursuant to Regulation 30 & 51 of SEBI (LODR) Regulations 2015, We would like to inform you that 06th Semi Annual Interest w.r.t. 7.59 % MTNL Bond Series VIIIA (INE153A08154) is due on 20th PJuly, 2026. As per the Structured Payment Mechanism of Tri-Partite Agreement (TPA) signed among MTNL, Department of Telecommunications (DoT), Ministry of Communications, Government of India and Beacon Trusteeship Limited, MTNL has to fund the semi-annual interest into the ESCROW Account maintained in Bank of India with adequate amount 10 days before the due date. It may also be mentioned that all Bonds issued by MTNL are Sovereign Guaranteed Bonds by Government of India. However, in case of any default made by MTNL in payment of Principal and Interest on the Bonds issued by it then Sovereign Guarantee will be invoked by the Debenture Trustee and the Government of India is obliged to make the payment to MTNL for the same. The invocation of Sovereign Guarantee is based on Tripartite Agreements (TPA) entered into between Government of India, Debenture Trustee and MTNL which were filed with BSE when Bonds were listed. In view of above provisions of TPA, it is informed that due to insufficient funds MTNL could not fund the ESCROW Account maintained in Bank of India with the adequate amount. Kindly take the same on record. Thanking You, Yours faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY