Please refer enclosed file.

VOGL/Sec./SE/2026-27/24 August 05, 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: Transcript of the Earnings Conference Call on Unaudited Financial Results of the Company for the First Quarter ended June 30, 2026 and the revised Investor Presentation. Dear Sir/Ma’am, In continuation to our Letter No. VOGL/Sec./SE/2026-27/19 dated July 29, 2026 and pursuant to Regulation 30 and Regulation 46(2)(oa) read with Schedule III Part A Para A of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time, the transcript of the Earnings Conference Call on Unaudited Financial Results (Consolidated and Standalone) of the Company for the first quarter ended June 30, 2026 is available on the website of the Company at www.vedantaoilandgas.com Further, certain inadvertent spreadsheet errors and typographical inaccuracies were identified in the Investor Presentation submitted to the Stock Exchanges vide the aforesaid letter dated July 29, 2026. Accordingly, the Company is submitting and uploading a revised Investor Presentation incorporating the below corrections: Sr. Relevant Page of the Information submitted with Stock Corrigendum to information No. Investor Presentation Exchanges submitted with Stock Exchanges The disclosure should be read as Renewable power sourcing at 40+ Renewable power sourcing at 40+ 1 ESG MWh run-rate; 124 kTCO₂-eq. million units (or MM kWh); 124 emissions avoidance ktCO2e/annum emission avoidance 2 Financial Highlights ROCE was shown as 1.99%. ROCE should be read as 7.04%. The heading "FCF (Pre Capex)" and the corresponding value of 1.46x The updated disclosure is Net Debt: 3 Financial Highlights were inadvertently reflected Near Zero. incorrectly The heading "Cash & Cash The updated disclosure is Equivalents” and the corresponding 4 Financial Highlights Liquid Investments including Cash & value of ₹1,126 crore were Cash Equivalents: ₹2,859 crore. inadvertently reflected incorrectly The aforesaid revisions are limited to correction of inadvertent errors in the Investor Presentation and do not result in any change to the Company's reported or reviewed financial results. The revised Investor Presentation incorporating the above corrections is enclosed herewith and is also being hosted on the website of the Company. We regret the inadvertent error in our earlier disclosure and apologize for any inconvenience caused. We request you to please take the above 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 Enclosed: As above. “Vedanta Limited, Vedanta Aluminium Metal Limited, Vedanta Iron & Steel Limited, Vedanta Oil & Gas Limited, & Vedanta Power Limited’s Q1 FY 2026-'27 Earnings Conference Call” July 30, 2026 MANAGEMENT: MR. ARUN MISRA – GROUP CHIEF EXECUTIVE OFFICER – VEDANTA LIMITED MR. AJAY GOEL – GROUP CHIEF FINANCIAL OFFICER – VEDANTA LIMITED MR. JIM GAST – CHIEF EXECUTIVE OFFICER – VEDANTA OIL & GAS LIMITED MR. ARPIT MUNDRA – CHIEF FINANCIAL OFFICER -- VEDANTA OIL & GAS LIMITED MR. RAJINDER AHUJA – CHIEF EXECUTIVE OFFICER – VEDANTA POWER MR. PANKAJ JHA – CHIEF FINANCIAL OFFICER – VEDANTA POWER MR. PANKAJ SHARMA -- CHIEF EXECUTIVE OFFICER – VEDANTA IRON & STEEL LIMITED MR. NAVIN JAJU – CHIEF FINANCIAL OFFICER – VEDANTA IRON & STEEL LIMITED MR. RAJESH KUMAR -- CHIEF EXECUTIVE OFFICER – VEDANTA ALUMINIUM METAL LIMITED MR. ANUP AGARWAL – CHIEF FINANCIAL OFFICER – VEDANTA ALUMINIUM METAL LIMITED MR. CHARANJIT SINGH – GROUP HEAD, INVESTOR RELATIONS – VEDANTA LIMITED Page 1 of 25 Sensitivity: Internal (C3) July 30, 2026 Moderator: Ladies and gentlemen, good day, and welcome to the First Quarter Financial Year 2026-'27 Earnings Conference Call of Vedanta Limited, Vedanta Aluminum Metal Limited, Vedanta Iron & Steel Limited, Vedanta Power Limited, and Vedanta Oil & Gas Limited. As a reminder, all participant lines will be in the listen-only mode and there will be an opportunity for you to ask questions after the presentation concludes. Should you need assistance during the conference call, please signal an operator by pressing star and then zero on your touch-tone phone. Please note that this conference is being recorded. Participants connected on the webcast link may change the quality settings to 1080p to watch the proceedings on best quality. Without further delay, I would now like to hand the call over to Mr. Charanjit Singh Group Head, Investor Relations, for his opening remarks. Over to you, sir. Charanjit Singh: Thank you, Sager. Good evening, everyone, and welcome to the Q1 FY 2027 Earnings Call jointly hosted by Vedanta Limited, Vedanta Aluminum, Vedanta Iron & Steel, Vedanta Power and Vedanta Oil & Gas. On behalf of team Vedanta, I sincerely thank you all for joining us today to provide our comprehensive and efficient update while making the best use of your time. We are posting a combined call covering all 5 entities. I trust you have had an opportunity to review the respective earnings presentation, press releases and the detailed financial statements, which have been filed with the stock exchanges and are also available on the website of each of the companies. Joining us on today's call are the CEOs and CFOs of each entity, who will discuss their operational and financial performance for the quarter. In the sequence, we will begin with Vedanta Oil & Gas, led by Mr. Jim Gast and Arpit Mundra; followed by Vedanta Power represented by Rajinder Ahuja and Pankaj Jha; Vedanta Iron & Steel led by Pankaj Sharma and Navin Jaju; Vedanta Aluminum, represented by Rajesh Kumar and Anup Agarwal; and finally, Vedanta Limited, addressed by Mr. Arun Misra and Ajay Goel. Following the update, we will open the floor for questions. With that, let me hand over the call to Jim. Jim, over to you. Jim Gast: Thank you, Charanjit. Namaste, we welcome you to the first quarterly Vedanta Oil & Gas results call as a newly listed company. Safety remains our Number 1 priority. And while we continue to strengthen safety leadership, critical risk management and frontline engagement, our safety performance shows that there is more work to do. At the same time, we have made good progress across ESG. Higher commodity prices supported our Q1 performance, but our focus remains on safe operations, production, delivery, cost discipline and execution of our growth portfolio. Our assets continue to demonstrate resilience whilst maintaining natural reservoir decline. Gross Page 2 of 25 Sensitivity: Internal (C3) July 30, 2026 operated production averaged 77.7 thousand barrels of oil equivalent per day during the quarter, comprising 63.1 thousand barrels of oil equivalent per day from Rajasthan, 11.6 from offshore assets and 3.1 from OALP blocks. Working interest production averaged 51.1 thousand barrels of oil per day. In Rajasthan, production was supported by well productivity improvement programs, targeted well recovery and continued operational optimization. Offshore performance benefited from production optimization initiatives, including low-pressure operations and focused well interventions, while OALP production remains stable. Our priority remains to strengthen decline management, accelerate well interventions, improve execution and maintain high asset reliability. Over the last few years, we have delivered a positive change in our operating cost profile, particularly for mature tertiary recovery portfolio. The direct operating cost trend demonstrates that cost discipline has been sustained, with full year '27 currently expected to be in line with the full year '26 levels. This improvement has been driven by optimizing commod [Showing first 8,000 characters — download PDF for full document]