Schedule of Analyst/Institutional Investor meeting.

Ref. No.: IGL/CS/2026 September 15, 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) Dear Sir/Madam, Pursuant to Regulation 30 of the Listing Regulations, 2015, the schedule of Analyst/Institutional Investor meeting is as under: Date Name of Venue Type of Mode of Time of the Meeting/ Analyst/Institutional meeting-One- meeting/call Meeting/Call call is Investor to- Schedule One/conference for call/Investor Conference 21.09.2026 Morgan Stanley New One-to-One Physical 02:30 PM Group Delhi onwards Meeting No Unpublished Price Sensitive Information is intended to be discussed during the meeting. 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