Conference Call to discuss Unaudited Financial Results for quarter ended September 30, 2026

Ref. No.: IGL/CS/2026 October 28, 2026 Listing Compliance Listing Department BSE Ltd. National Stock Exchange of India Ltd. 1st Floor, P.J. Towers Exchange Plaza, Bandra Kurla Complex Dalal Street Bandra (E) Mumbai – 400 001 Mumbai – 400 051 Security Code : 532514 Trading Symbol : IGL Sub: Disclosure of material event/information under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (Listing Regulations, 2015) Pursuant to Regulation 30 of the Listing Regulations, 2015, this is to inform that a Conference Call to discuss Unaudited Financial Results for quarter ended September 30, 2026, is scheduled to be held on Monday, November 2, 2026 at 4.00 PM (IST). Invite of the same is enclosed. Please note that above information is subject to change. This is for your information and record. Thanking you, Yours sincerely, for Indraprastha Gas Limited (Vivek Sahay) Company Secretary & Compliance Officer You are cordially invited to the Q2 FY27 Earnings Conference Call of Indraprastha Gas Limited Monday, November 02, 2026 at 04:00 PM IST Represented by: Mr. Kumar Shanker Managing Director Mr. Mohit Bhatia Director-Commercial Mr. Manjeet Gulati CFO Pre-register to avoid the waiting queue, join with DiamondPass link: Registration Link Conference Dial-In Number +91 22 6280 1116 Universal Access +91 22 7115 8017 Hong Kong: 800 964 448 Singapore: 800 101 2045 International Toll Free USA: 1 866 746 2133 UK: 0 808 101 1573 For further information, please contact: Yogesh Patil Snehdeep Arora Director - Research Research Associate Dolat Capital Market Private Limited. Dolat Capital Market Private Limited. (D) +91 22 4096 9758 / 9763153797 (D) +91 22 4096 9766 / 8586044409 Email: yogeshp@dolatcapital.com Email: snehdeepa@dolatcapital.com