Credit Rating

VOGL/SEC./SE/2026-27/11 Date: July 16, 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 under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (“SEBI Listing Regulations”) Dear Sir/Ma’am, Pursuant to Regulation 30 of SEBI Listing Regulations, we wish to inform you that CRISIL Ratings Limited vide its release dated July 16, 2026, published around 2:15 P.M. IST, has performed the following actions on the rating of Vedanta Oil and Gas Limited (VOGL): Long-term rating upgraded to ‘Crisil AA+/Stable and removed from watch developing, Short Term Rating withdrawn. The ratings have been upgraded and re-affirmed, respectively, as below: Name of the Company Rating Vedanta Oil and Gas Limited Crisil AA+ (Stable) (Previously Crisil A+/Watch Developing/Crisil A1+) The detailed rationale provided by the rating agency can be accessed at the link below: https://www.crisilratings.com/mnt/winshare/Ratings/RatingList/RatingDocs/VedantaOilandGasLimited_July%2016_%202 026_RR_399341.html Kindly take the above information on record. Yours sincerely, For Vedanta Oil and Gas Limited (Formerly known as Malco Energy Limited) Shivangi Dhanuka Company Secretary & Compliance Officer Membership No.: A 70586