Presentation for Post - AGM Media Interaction

OIL AND NATURAL GAS CORPORATION LIMITED COMPANY SECRETARIAT ONGC/CS/SE/2026-27 31.08.2026 National Stock Exchange of India Ltd. BSE Limited Listing Department Corporate Relationship Department Exchange Plaza Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Bandra (E) Dalal Street, Fort Mumbai – 400 051 Mumbai – 400 001 Symbol-ONGC; Series – EQ BSE Security Code No.- 500312 NCD: 959881 Subject: Presentation for Post – AGM Media Interaction Madam/ Sir, The Company has successfully convened its 33rd Annual General Meeting at 11:00 hours on 31.08.2026. A “Post AGM Media Interaction” with the Management of the Company is scheduled to be held today i.e. 31.08.2026 at 17:30 hours. A presentation proposed to be given at the aforesaid Media Interaction may be accessed at https://ongcindia.com/web/eng/media/presentation. This is for your reference and record. Thanking You, Yours Sincerely, For Oil and Natural Gas Corporation Ltd. (Shashi Bhushan Singh) Company Secretary & Compliance Officer Regd. Office: Plot No 5A-5B, Nelson Mandela Marg, Vasant Kunj, New Delhi-110070 Phone: 011-2675 4073, 011-2675 4085 EPABX: 2675 0111, 2629000 CIN: L74899DL1993GOI054155 Website: www.ongcindia.com Email: secretariat@ongc.co.in