Letter sent to shareholders providing weblink of Annual Report for FY 2025-26

Ref: MGL/CS/SE/2026/715 Date: August 03, 2026 Head, Listing Compliance Department Head, Listing Compliance Department BSE Limited National Stock Exchange of India Limited P. J. Towers, Exchange Plaza, Bandra – Kurla Complex, Dalal Street, Bandra (East), Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 539957 Symbol: MGL Dear Sir/ Madam, Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Letter to members whose email address are not registered Pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘Listing Regulations’), a letter is being sent to those Members whose e-mail addresses are not registered with the Company / Registrar and Share Transfer Agent / Depository Participants, providing the web-link and QR code along with the path to access the Integrated Annual Report for the financial year 2025-26 and the Notice of the 31st Annual General Meeting on the Company’s website. The letter in this regard is enclosed herewith. This intimation is also being uploaded on the Company’s website at www.mahanagargas.com. You are requested to take the above information on record. Thanking you, Yours sincerely, For Mahanagar Gas Limited Atul Prabhu Company Secretary & Compliance Officer Encl.: As above Regd. Office: MGL House, Block G-33, Bandra - Kurla Complex, Bandra (East), Mumbai - 400 051 T + 91 22 6678 5000 | E info@mahanagargas.com | W www.mahanagargas.com | CIN L40200MH1995PLC088133 An ISO 9001, 14001 & 45001 Certified Company Sr.No.:- Date : Folio/DP Id & Client Id No : Name of the Shareholder: Address: DearShareholder, Sub:IntimationofWeb-linktoNoticeofthe31stAnnualGeneralMeeting(‘AGM’)andIntegratedAnnualReportfortheFY2025-26. Wearepleasedtoinformyouthatthe31stAGMofMahanagarGasLimited(‘theCompany’)isscheduledtobeheldonTuesday,August25,2026 at 03:00 p.m. (IST) through Video Conference / Other Audio-Visual Means to transact the businesses as set out in the Notice of the AGM, in compliancewiththecircularissuedbytheMinistryofCorporateAffairsandtheSecuritiesandExchangeBoardofIndia. The Notice of the 31st AGM along with the Integrated Annual Report for the FY 2025-26 (‘Annual Report’) is being sent electronically to the shareholderswhosee-mailaddressareregisteredwiththeCompany/Registrar&ShareTransferAgent(‘RTA’)/DepositoryParticipants(‘DPs’). As per the records available with the Company / RTA, it is observed that your e-mail address is not registered against your demat account / folio number. Accordingly, in accordance with Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this communicationisbeingsenttoinformyouthattheAnnualReportisavailableelectronicallyandcanbeaccessedthroughweb-linkandQRcodealong withthepathasprovidedbelow: Web-link: https://www.mahanagargas.com:3000/Annual%20Report%202025-26.pdf Path: www.mahanagargas.com>MGLCorporate>Investors>AnnualReports>AnnualReport2025-26 QRCode: In addition to the Company’s website, the Annual Report is also available on the websites of the stock exchanges i.e. BSE Limited at www.bseindia.comandNationalStockExchangeofIndiaLimitedatwww.nseindia.com andonthewebsiteofCDSLathttps://www.evotingindia.com. KeydetailsfortheAGMareasunder: Sr.No. Particulars Details 1. Cut-offdateforShareholderswhoareeligiblefore-Voting Tuesday,August18,2026 2. e-Votingstartdateandtime Saturday,August22,2026(09:00amIST) 3. e-Votingenddateandtime Monday,August24,2026(05:00pmIST) 4. RateofFinaldividend Rs.18/-perequityshare 5. RecorddateforFinalDividend Tuesday,August18,2026 Formoredetails,kindlyrefertheNoticeoftheAGM. Ifyouwishtoupdateorchangeyoure-mailaddressorcommunicationaddressorbankdetailsornominationdetails,pleaseapproachyourrespective DPsincaseyouholdsharesinelectronicformorpleasewritetotheRTAoftheCompanyatthebelowaddress: NameandAddress ContactDetails MUFGIntimeIndiaPrivateLimited Website:https://in.mpms.mufg.com Unit:MahanagarGasLimited PhoneNo:022-49186000TollFreeNumber:18001020878 Address:C-101,Embassy247Park,L.B.SMarg,Vikhroli(West),Mumbai–400083 E-mail:investor.helpdesk@in.mpms.mufg.com Yoursfaithfully, ForMahanagarGasLimited Sd/- AtulPrabhu CompanySecretary&ComplianceOfficer