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 October 05, 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: DETAILS OF COMPLIANCE OFFICER AND RTA OF THE COMPANY - COMPLIANCE WITH REGULATION 6 & 7 OF SEBI (LODR) REGULATIONS, 2015 FOR THE QUARTER ENDED 30TH SEPTEMBER, 2026 Dear Sir, Kindly find information regarding Details of Compliance Officer and RTA of the Company for the Quarter ended 30th September, 2026 given below: - DETAILS OF COMPLIANCE OFFICER AS PER REGULATION 6 OF SEBI (LODR) REGULATIONS, 2015 OF MTNL FOR QUARTER ENDED 30TH SEPTEMBER, 2026 WHETHER COMPLAIN DATE OF NAME OF CE OFFICER DATE OF NAME OF THE MEMBER RESIGNA QUARTER COMPLIAN QUALIFIED APPOINTM COMPANY SHIP NO TION (IF CE OFFICER COMPANY ENT ANY) SECRETARY (YES/NO) MAHANAGAR RATAN SEPTEMBER TELEPHONE ACS MANI YES 2026 NIGAM 15193 01.03.2023 NA SUMIT LIMITED DETAILS OF RTA OF MTNL AS PER REGULATION 7 OF SEBI (LODR) REGULATIONS, 2015 FOR QUARTER ENDED 30TH SEPTEMBER, 2026 DATE OF DATE OF NAME OF THE CESSATIO QUARTER NAME OF RTA APPOINTM COMPANY N/CHANG E, IF ANY MAHANAGAR BEETAL FINANCIAL & SEPTEMBER TELEPHONE NIGAM 07.05.2015 NA COMPUTER SERVICES (P) LTD 2026 LIMITED Kindly acknowledge the receipt and take the same on record. Thanking You, Yours faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY