Board''s comments on fine levied by the Stock Exchanges for non-compliance with Regulation 33 of SEBI (LODR) Regulations, 2015 is attached herewith.

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 August 12, 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 under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulation, 2015 – Board’s comments on fine levied by the Exchange for non-compliance with Regulation 33 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, pursuant to Regulation 30 read with Schedule III thereof Ref: Notice issued by NSE having ref. NSE/LIST-SOP/FINES/0717 dated June 30, 2026 and Email received from BSE having Ref. SOP-Review-30/06/2026 dated June 30, 2026 In compliance with the requirements of the National Stock Exchange of India Limited (“NSE”) and Bombay Stock Exchange of India (“BSE”) vide aforementioned communications, the Board of Directors of Hindustan Oil Exploration Company Limited, at its meeting held today i.e August 12, 2026, took note of the non-compliance under Regulation 33 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, pertaining to a delay of 10 days in submission of the audited financial results of the Company for the quarter and financial year ended March 31, 2026. The Board noted the action taken by NSE and BSE in the form of imposition of a fine of Rs. 59,000/- (Rupees Fifty Nine Thousand only) each has been paid and confirmed that the matter, along with the Exchange’s communication, was placed before the Board in accordance with the applicable provisions. The Board observed and placed on record that the delay in submission of the Financial Statements was unintentional and arose primarily attributable to significant changes in the Company's leadership and governance structure during the reporting period, including changes in the Key Managerial Personnel and Statutory Auditors. These transitions necessitated additional time for review, handover of responsibilities, familiarization with the Company's financial and operational matters, and completion of the audit and financial reporting processes to ensure accuracy, completeness, and compliance with applicable regulatory requirements. The Board further noted that, prior to the expiry of the statutory timeline prescribed under Regulation 33 of the SEBI LODR Regulations, 2015, the Company had, on May 27, 2026, proactively intimated the Exchange regarding the anticipated delay in approval and submission of the audited financial results of the Company for the quarter and financial year ended March 31, 2026 and had provided a detailed disclosure setting out the circumstances which had resulted in such delay. Also, it was noted that the Company has complied with the prescribed requirement of Regulation 33 of SEBI LODR Regulations, 2015, by submitting the financial results for the quarter and financial year ended March 31, 2026 on June 11, 2026 . 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 Continuation Sheet Further, the Board expressed its sincere regret for the delay in compliance with Regulation 33 of the SEBI LODR Regulations, 2015 and the Board reiterated that timely financial reporting and regulatory compliance remain of paramount importance for the Company. The Board directed the management to initiate necessary corrective measures to strengthen the financial closing process and ensure that such delays will not be repeated in future. The relevant notice / mail received from the Stock Exchanges are enclosed herewith. You are requested to take the above intimation on records. Yours Sincerely, For Hindustan Oil Exploration Company Limited G Josephin Daisy Company Secretary & Compliance Officer Encl.: a/a NSE/LIST-SOP/FINES/0717 June 30, 2026 The Company Secretary Hindustan Oil Exploration Company Limited Dear Sir/Madam, Subject: Notice for non-compliance with Regulation 33 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) Your attention is drawn towards SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 (“Master Circular”) issued on July 11, 2023 and last updated on January 30, 2026 (hereinafter referred to as "Master Circular"), specifying Standard Operating Procedure for imposing fines and suspension of trading in case of non-compliance with the Listing Regulations. On verification of the Exchange records, it has been observed that your Company has not complied/delayed complied with Regulation 33 of Listing Regulation(s). The details of non-compliance(s)/delayed compliance(s), total fine payable by your Company and the particulars about manner in which fine should be remitted to the Exchange is enclosed as Annexure. You are requested to inform the Promoters about identified non-compliance/delayed compliance and to ensure compliance with Regulation 33 of Listing regulation(s) and/or make the payment of fines within 15 days from the date of this notice, failing which the Exchange may initiate following actions as per Master Circular: 1. Initiate freezing of entire shareholding of the Promoters in the Company as well as in other securities held in the Demat account of the Promoters. 2. Trading in securities of your Company shall take place on a 'Trade for Trade' basis, in case of consecutive default with Regulation 33 of the Listing Regulations i.e., Shifting of trading in securities to Z Category as per Master Circular. Upon receipt of this review notice, the Company may file the waiver request. Below are the parameters for filing the application for waiver: a) Waiver applications sent via mail is not considered. The Company is requested to submit waiver application on the below mentioned path: NEAPS>>Compliance>>Fine Waiver>>Waiver Request b) Detailed submission indicating reasons for waiver, mentioning whether it intends to seek personal hearing before the concerned Committee. c) Further, compliance is a pre-requisite for applying for waiver. Thus, waiver application of the non- complied Companies will not be processed without achieving the compliance. d) In case the Company is non-compliant under multiple regulations, the Company is advised to file a single application mentioning the details of all the respective regulations and quarters for which the Company intends to apply for waiver. e) Non-refundable Processing fees for an amount of Rs.10,000 plus 18% GST to be paid to the designated Exchange, (as segregated between the Exchanges as per the policy for waiver of fines) only if the fine amount is more than Rs. 5,000/- exclusive of GST. However, before filing an application for waiver of fines, you are requested to refer to the below policy available on the Exchange’s website. For ready reference you may refer below link: Policy on processing of waiver application: https://nsearchives.nseindia.com//web/circular/2026- 01/Policy_for_waiver_of_fines_Final1_20260113193131.pdf Further, as per Master Circular, your Company is also required to ensure that the said non-compliance which has been identified by the Exchange and subsequent action taken by the Exchange in this regard shall be placed before the Board in the next Board Meeting and comments made by the Board shall be duly informed to the Exchange at the below mentioned path in NEAPS portal along with this letter for dissemination having the announcement text as 'Board comments on fine levied by the Exchange'. Path: NEAPS > COMPLIANCE > Announcements > Announcements/ CA (Subject: Updates) In c [Showing first 8,000 characters — download PDF for full document]