Outcome of 42nd AGM held on September 25, 2026 is attached herewith.

Hindustan Oil Exploration Company Limited ‘Lakshmi Chambers’, 192, St. Mary’s Road, Alwarpet, Chennai - 600 018. INDIA. : 91 (044) 66229000 ● Fax: 91 (044) 66229011 / 66229012 E-mail: contact@hoec.com ● Website: www.hoec.com CIN: L11100GJ1996PLC029880 September 25, 2026 By Online The Listing Department The Corporate Relationship Department National Stock Exchange of India Ltd., BSE Limited, “Exchange Plaza”, Bandra Kurla Complex, 1st Floor, P. Jeejeebhoy Towers, Bandra (East), Mumbai – 400 051 Dalal Street, Mumbai – 400 001 Stock Code: HINDOILEXP Stock Code: 500186 Dear Sir/Madam, Sub: Outcome of 42nd AGM held on September 25, 2026 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are submitting herewith brief proceedings of the 42nd Annual General Meeting (AGM) of the Company held on Friday, September 25, 2026. The e-voting results as required under Regulation 44 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 will be submitted separately on declaration of voting results. This is for your information and records. Thanking you, Yours Sincerely, For Hindustan Oil Exploration Company Limited G. Josephin Daisy Company Secretary and Compliance Officer Encl: a/a Registered Office: ‘HOEC HOUSE’, Tandalja Road, Off Old Padra Road, Vadodara - 390 020. INDIA. : 91 (0265) 2330766 ● E-mail: contact@hoec.com ● Website: www.hoec.com Continuation Sheet SUMMARY OF PROCEEDINGS OF THE 42ND ANNUAL GENERAL MEETING OF HINDUSTAN OIL EXPLORATION COMPANY LIMITED The 42nd Annual General Meeting (AGM) of the Company was held on Friday, September 25, 2026 at 11:00 a.m. through Video Conference and Other Audio Visual Means (VC/OAVM). The meeting was held in compliance with the applicable provisions of the Companies Act, 2013 and the Rules made thereunder, various General Circulars issued by the Ministry of Corporate Affairs (MCA) and circulars issued by the Securities and Exchange Board of India (SEBI). The meeting commenced at 11:00 a.m. and concluded at 12:30 p.m. (Including the time allowed for e-voting at AGM). S. No. Particulars Details 1. Date of the AGM 25 September 2026 2. Total number of shareholders as on Cut-off date 89,954 3. No. of Shareholders (Public) present in the Not applicable meeting either in person or through proxy: 4. No. of Shareholders (Public) attended the meeting 57 through Video Conferencing: The Chairman informed that this AGM is being held through video conference in accordance with the circulars issued by the MCA and SEBI. He then requested the other Directors to introduce themselves. All the Directors attended the meeting, except Mr. Ashok Kumar Goel for whom leave of absence was granted. The requisite quorum being present, the Chairman called the meeting to order. It was informed that the Notice of AGM along with the Annual Report of FY 2025-26 was dispatched to all shareholders. Further, the Company had sent a letter to shareholders whose email addresses were not registered with the Company or depository participants, providing the web link from where the Annual Report can be accessed on the Company's website. The Chairman informed that the Company had provided members the facility to cast their vote electronically on all resolutions set forth in the Notice. The Notice of the meeting was taken as read. Members were informed that the Statutory Auditor’s Report do not contain any qualification, reservation or adverse remark, except for certain material weaknesses identified in the Company's Internal Financial Controls over Financial Reporting. The same were read at the AGM and attention of the Members present were drawn to the explanations / comments given by the Board of Directors in their report. Further, Members were informed that the Secretarial Audit Report for the financial year 2025-26 was unqualified and taken as read. The following items of business, as per the Notice of AGM, were transacted at the meeting. Resolution No. Resolution Title Type of Resolution 1 To receive, consider and adopt: Ordinary resolution (a) the audited standalone financial statements of the Company for the financial year ended March 31, 2026 together with the reports of the Board of Directors and Auditors thereon; and (b) the audited consolidated financial statements of the Company for the financial year ended March 31, 2026 together with the reports of the Auditors thereon Continuation Sheet 2 To appoint a director in place of Mr. Ashok Kumar Goel Ordinary resolution (DIN: 00025350) who retires by rotation and being eligible, offers himself for re-appointment 3 To consider increase in borrowing limits of the Company Special resolution from ₹ 750 Crores to ₹ 1,000 Crores 4 To approve creation of charges on the movable and Special resolution immovable properties of the Company, both present and future, in respect of borrowings 5 To make investments, give loans, guarantees and security Special resolution in excess of limits specified under Section 186 of the Companies Act, 2013 6 Ratification of remuneration to Cost Auditor for O r d i n a r y r e s o l u tion FY 2025-26 Shareholders were provided with a facility to ask questions or express their views through VC on the aforesaid resolutions. Clarifications were provided to the queries raised by the members. Chairman then informed that M/s S. Sandeep & Associates, Practicing Company Secretaries, have been appointed to supervise the e-voting process and authorized the Company Secretary to declare the voting results, intimate to the stock exchanges and place the same on the website of the Company. The Chairman then thanked the members for their participation and announced formal closure of the proceedings of the 42nd AGM of the Company.