Shareholders meeting

Hindustan Oil Exploration Company Limited ‘Lakshmi Chambers’, 192, St. Mary’s Road, Alwarpet, Chennai - 600 018. INDIA. Phone: 91 (044) 66229000 ● Fax: 91 (044) 66229011 / 66229012 E-mail: contact@hoec.com ● Website: www.hoec.com CIN: L11100GJ1996PLC029880 June 23, 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: Intimation of Notice of Postal Ballot in accordance with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, ("the Listing Regulations"), please find attached a copy of the Postal Ballot Notice dated June 11, 2026 together with the Explanatory Statement thereto, seeking approval of the Members of the Company by way of Special Resolution for below mentioned business as set out in the Postal Ballot Notice. - Appointment of Ms. Preeti Grover (DIN: 00128513) as a Non-Executive Independent Director of the Company. In compliance with the MCA Circulars the latest being 03/2025 dated September 22, 2025, this Postal Ballot Notice is being sent only through electronic mode to those members whose names appear on the Register of Members / Register of Beneficial Owners as on Friday, June 19, 2026 (“Cut-Off Date”) received from the Depositories and whose e-mail address is registered with the Company / Registrar and Transfer Agent / Depository Participants / Depositories. Physical copies of this Postal Ballot Notice along with Postal Ballot forms and prepaid business reply envelopes are not being sent to Members for this Postal Ballot. The communication of the assent or dissent of the Members would only take place through the remote e-voting system. The Company has engaged the services of Central Depository Services (India) Limited (“CDSL”) to provide remote e-voting facility to its members. The remote e-voting period commences from 9.00 a.m. (IST) on Wednesday, June 24, 2026 and ends at 5.00 p.m. (IST) on Thursday, July 23, 2026. The e-voting module shall be disabled by CDSL thereafter. Voting rights of the members shall be in proportion to the shares held by them in the paid-up equity share capital of the Company as on Cut-off date. The Postal Ballot Notice is also available on the Company’s website at www.hoec.com and on the website of CDSL at www.evotingindia.com We request you to kindly take our aforesaid submission on record. Yours Sincerely, For Hindustan Oil Exploration Company Limited Baroruchi Mishra Managing Director & CEO DIN 09223144 Encl.: a/a Registered Office: ‘HOEC HOUSE’, Tandalja Road, Off Old Padra Road, Vadodara - 390 020. INDIA. Phone: 91 (0265) 2330766 ● E-mail: contact@hoec.com ● Website: www.hoec.com HINDUSTAN OIL EXPLORATION COMPANY LIMITED Regd. Office: ‘HOEC House’, Tandalja Road, Vadodara, Gujarat - 390020 (India) CIN: L11100GJ1996PLC029880 • E-mail: hoecshare@hoec.com Website: www.hoec.com • Tel : 91 (0265) 2330766 NOTICE OF POSTAL BALLOT [Pursuant to Sections 108 and 110 of the Companies Act, 2013 read with Rules 20 and 22 of The Companies (Management and Administration) Rules, 2014] Dear Members, NOTICE is hereby given that pursuant to the provisions of Sections 108, 110 and other applicable provisions, if any, of the Companies Act, 2013, ("the Act") read with Rules 20 and 22 of the Companies (Management and Administration) Rules, 2014 ("the Rules"), and other applicable Rules, General Circular Nos. 14/2020 dated April 8, 2020, 17/2020 dated April 13, 2020, 20/2020 dated May 5, 2020, and subsequent circulars issued by the Ministry of Corporate Affairs, the latest being 03/2025 dated September 22, 2025 (collectively referred to as ("MCA Circulars"), Regulation 44 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations"), Secretarial Standard on General Meetings issued by The Institute of Company Secretaries of India ("SS-2"), and other applicable laws, rules and regulations (including any statutory modification(s) or re-enactment(s) thereof for the time being in force), approval of the Members is being sought to transact the special business as set out hereunder by passing Special Resolution by way of Postal Ballot only by voting through electronic means ("remote e-Voting"). SPECIAL BUSINESS: Item No. 1 : Appointment of Ms. Preeti Grover (DIN: 00128513) as a Non-Executive Independent Director of the Company To consider and, if thought fit, to pass the following resolution as a Special Resolution: "RESOLVED that pursuant to the provisions of Sections 149, 150 and 152 read with Schedule IV and other applicable provisions of the Companies Act, 2013 ("the Act") and the Companies (Appointment and Qualifications of Directors) Rules, 2014, the applicable provisions of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations") (including any statutory modification(s) or re-enactment(s) thereof, for the time being in force), Ms. Preeti Grover (DIN: 00128513), who in terms of Section 161 of the Act and based on the recommendations of the Nomination & Remuneration Committee was appointed as an Additional Director (Non-Executive Independent) of the Company with effect from May 12, 2026 by the Board of Directors of the Company ("the Board"), and who meets the criteria of independence as required under Section 149(6) of the Act and Regulation 16(1)(b) of the SEBI Listing Regulations and a declaration to that effect has been submitted by her, and in respect of whom the Company has received a notice in writing in terms of Section 160(1) of the Act proposing her candidature for the office of a Director, and who is eligible for appointment, be and is hereby appointed as a Non-Executive Independent Director of the Company, not liable to retire by rotation, for a term of five consecutive years commencing from May 12, 2026 to May 11, 2031 (both days inclusive) RESOLVED FURTHER that the Board or any duly constituted Committee of the Board ("the Committee") be and is hereby authorized to do all such acts, deeds, matters and things as may be necessary, proper and / or expedient to give effect to this resolution." By Order of the Board of Directors Baroruchi Mishra Place:Chennai Managing Director & CEO Date :June 11, 2026 DIN: 09223144 HINDUSTAN OIL EXPLORATION COMPANY LIMITED NOTES 1. A statement pursuant to the provisions of Section 102(1) and other applicable provisions of the Act read with the Rules, setting out all material facts relating to the resolution mentioned in this Postal Ballot Notice and additional information as required under the SEBI Listing Regulations is annexed hereto and forms an integral part of this Notice. 2. In compliance with the MCA Circulars, this Postal Ballot Notice is being sent only through electronic mode to those members whose names appear on the Register of Members / Register of Beneficial Owners as on Friday, June 19, 2026 ("Cut-Off Date") received from the Depositories and whose e-mail address is registered with the Company / Registrar and Share Transfer Agent / Depository Participants / Depositories. Physical copies of this Postal Ballot Notice along with Postal Ballot forms and prepaid business reply envelopes are not being sent to the members for this Postal Ballot. The voting rights of the Members shall be in proportion to their share of the paid-up equity share capital of the Company as on the Cut-Off Date 3. In compliance with the provisions of Sections 108 and 110 of the Act and Rules 20 and 22 of the Rules, Regulation 44 of the SEBI Listing Regulations, MCA Circulars and SS-2, the Company has p [Showing first 8,000 characters — download PDF for full document]