Analysts/Institutional Investor Meet/Con. Call Updates

VOGL/Sec./SE/2026-27/33 October 22, 2026 To To BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers “Exchange Plaza” Plot No C/1, G Block Dalal Street, Fort Bandra Kurla Complex, Bandra (East) Mumbai - 400 001 Mumbai- 400051 BSE Scrip Code: 544782 N SE Scrip Code: VOGL Sub: Notice of Board Meeting, Closure of Trading Window and Schedule of Earnings Call on Financial Results Dear Sir/Ma’am, In terms of Regulation 29 of the Securities and Exchange Board of India (“SEBI”) (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time, we wish to inform that the meeting of the Board of Directors of the Company will be held on Thursday, October 29, 2026, to inter‐alia consider the Unaudited Financial Results (Standalone and Consolidated) of the Company for the Second Quarter and Half Year ended September 30, 2026. Further, as intimated earlier vide Letter No. VOGL/Sec./SE/2026-27/28 dated September 28, 2026, pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Insider Trading Prohibition Code of the Company, as amended from time to time, the Trading Window shall remain closed for dealing in securities of the Company for all Designated Persons from Thursday, October 01, 2026, to Saturday, October 31, 2026 (both days inclusive). Further, the Earnings conference call to discuss the Company’s results and performance is scheduled to be held after the declaration of financial results, as per below schedule: Event Telephone Number +91 22 6280 1114 Universal Dial-In +91 22 7115 8015 India National Toll Free 1800 120 1221 Canada 01180014243444 Earnings conference call on Hong Kong 800964448 Thursday, October 29, 2026, Japan 00531161110 from 5:00 PM to 5:30 PM (IST) Netherlands 08000229808 International Toll Free* Singapore 8001012045 South Korea 00180014243444 UK 08081011573 USA 18667462133 Online Registration Link For Registration - Click Here Call Recording This will be available on Company website on October 29, 2026 * In case of dial-ins from any other country, please use the online registration link for relevant dial-in numbers. We request you to kindly take the above information on record. Thanking you, Yours sincerely, For Vedanta Oil and Gas Limited (Formerly known as Malco Energy Limited) Shivangi Dhanuka Company Secretary and Compliance Officer Membership No.: A 70586