Certificate under SEBI (Depositories and Participants) Regulations, 2018

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 06, 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: CONFIRMATION CERTIFICATE UNDER REGULATION 74(5) OF THE SEBI (DEPOSITORIES AND PARTICIPANTS) REGULATIONS, 2018 FOR THE QUARTER ENDED 30TH JUNE, 2026 Dear Sir, In compliance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, we are forwarding herewith a Copy of Certificate dated 04.07.2026 received from our RTA i.e., M/s Beetal Financial & Computer Services (P) Limited for the Quarter ended 30th June, 2026. Kindly acknowledge the receipt and take the same on record. Thanking you, Yours faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY Encl: As above BEETAL FINANCIAL & COMPUTER SERVICES (P) LTD. (SEBI approved category I Registrar & Share Transfer Agents SEBI Reg. No.: INR 000000262) CIN No: U67120DL1993 PTC 052486 Regd&Admn. Office: BEETAL HOUSE, 3rd Floor, 99 Madangir, Behind LSC Near Dada HarsukhdasMandir, New Delhi-110062, Phone: 011-29961281-83 Fax: 011-29961284 Email: beetal@beetalfinancial.com ,Web Site: www.beetalfinancial.com REF: BTL/Q1-2026-2027/107 Dated: 04/07/2026 MAHANAGAR TELEPHONE NIGAM LIMITED. MAHANAGAR DOORSANCHAR SADAN 5TH FLOOR, 9 CGO COMPLEX LODHI ROAD NEW DELHI 110003 Sir/ Madam, Subject: Confirmation Certificate in the matter of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Reference: NSDL/CIR/II/5/2019 DATED 25/01/2019 CDSL/OPS/RTA/POLCY/2019/14 dated 25/01/2019 SEBI Vide its letter ref no.MRD/DOP2/DSA2/OW/2019/2498/1 dated 24/01/2019 In reference to the above-captioned regulation, we hereby confirm that the securities received from the Depository Participants for dematerialization during the quarter ended JUNE,2026,were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialization have been mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in register of members as the registered owner within 15 days. We request you to kindly take note of the above in your records. Thanking you, Yours sincerely, For BEETAL Financial & Computer Services Pvt Ltd (Punit Mittal) General Manager