Newspaper Advertisement - Notice of 31st Annual General Meeting, Information on E-voting and Record Date

Ref: MGL/CS/SE/2026/718 Date: August 04, 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: Newspaper Advertisement – Notice of 31st Annual General Meeting, Information on E- voting and Record Date Pursuant to Regulation 30 read with Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith the copies of advertisement published in the newspapers, Financial Express (in English) and Loksatta (in Marathi) on August 04, 2026, containing information pertaining to dispatch of Annual Report of the Company alongwith Notice of the 31st Annual General Meeting which is scheduled to be held through Video Conference / Other Audio Visual Means on Tuesday, August 25, 2026 at 03:00 p.m. (IST). This information is also being hosted on the Company’s website at www.mahanagargas.com. You are requested to take the above information on your records. Thanking You, Yours Sincerely, For Mahanagar Gas Limited Atul Prabhu Company Secretary & Compliance Officer Encl: As above