Trading Window

VOGL/SEC./SE/2026-27/05 Date: June 25, 2026 To To BSE Limited, National Stock Exchange of India Limited, Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block – G, Dalal Street, Fort Bandra Kurla Complex, Bandra (E), Mumbai - 400 001 Mumbai – 400 051 BSE Scrip Code: 544782 NSE Scrip Code: VOGL Subject: Intimation of Trading Window Closure Dear Sir/Ma’am, In compliance with the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 and the Insider Trading Prohibition Code (“Code”) of Vedanta Oil and Gas Limited (formerly known as Malco Energy Limited) (the “Company” or “VOGL”), as amended from time to time, the Trading Window shall remain closed for all the Designated Persons of the Company as defined in the Code for dealing in securities of the Company with effect from Wednesday, July 01, 2026 till the expiry of 48 hours after declaration of Unaudited Financial Results of the Company for the First Quarter ending June 30, 2026. The date for declaration of the Unaudited Financial Results of the Company for the First Quarter ending June 30, 2026 shall be announced in due course. This is for your information and records. Yours sincerely, For Vedanta Oil and Gas Limited (Formerly known as Malco Energy Limited) Shivangi Dhanuka Company Secretary & Compliance Officer Membership No.: A 70586