A copy of the Letter dispatched to the shareholders whose email IDs are not registered with the Registrar and Share Transfer Agent(s) of the Company/Depository Participants.

tl~ll?ttaJ.i ch,ctR~r.=r l?tfilz:s -) (mra mctiR ~) ~ ~: 11, ul'llitlG'ift c1cJ m, ~. ~- 400 020 Deliv~ring~ Hin~usta_n Petroleum Corporation Limited ~ mess., (A Govt. of India Enterprise) Regd. Office: 17, Jamshedji Tata Road, Churchgate, Mumbai • 400 020 Ref.: Co. Secy./RKS/286/2026 August 04, 2026 Director - Investor Services & Listing, BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400001 Scrip Code: 500104 Sub.: Notice of the 74th AGM and Integrated Annual Report for National Stock Exchange of India Limited FY 2025-26 to shareholders whose Exchange Plaza, 5th Floor, email IDs are not registered Plot No. C/1, G-Block, Bandra-Kurla Complex, Sandra East, Mumbai - 400051 Scrip Name: HINDPETRO Dear Sirs, In compliance with provisions of Regulation 36 (1) (b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we write to forward herewith a copy of the letter providing the web-link, including the exact path, where complete details of the Annual Report for the FY 2025-26 is available, which is being sent to those shareholder(s) whose email address(es) were not registered with the Registrar and Share Transfer Agent(s) of the Company (RTA) / Depository Participant(s). This is for your information and records please. Thanking you, Very truly yours, Rakesh Kumar Singh Company Secretary 17, '1Jl'l~1?;;;fi m:r m , ~ -400 020 I ~ : 2286 3900 . 17, Jamshedji Tata Road, Churchgate, Mumbai -400 020 I Phone : 2286 3900 email: corphqo@hpcl.in I website: www.hindustanpetroleum.com I CIN : L23201MH1952GOI008858 Hindustan Petroleum Corporation Limited (A Maharatna Company) Regd. Office: Petroleum House, 17, Jamshedji Tata Road, Churchgate, Mumbai - 400020 Website: www.hindustanpetroleum.com; E-mail ID: hpclinvestors@mail.hpcl.co.in Telephone: 022-22863201/3204 CIN: L23201MH1952GOI008858 Subject: Notice of the 74thAnnual General Meeting ('AGM') and Integrated Annual Report for the Financial Year 2025-26 We are pleased to inform you that the 74th Annual General Meeting ('AGM') of the Members of Hindustan Petroleum Corporation Limited ('HPCL/Company') is scheduled to be held on Wednesday, August 26, 2026 at 11:00 A.M.(IST) through Video Conferencing ('VC') facility / Other Audio-Visual Means ('OAVM'). The Notice and Integrated Annual Report for the Financial Year 2025-26 is available on the website of the Company and can be downloaded from below link and QR code: Path: -www.hindustanpetroleum.com ¢Investors ¢Shareholders Information ¢Annual Reports Web-Link: - https://www.hindustanpetroleum.com/annual-reports QR Code: - E-voting Details: Cut-off date to determine Wednesday, August 19, 2026 entitlement for e-voting E-voting start date and time Friday, August 21, 2026 (05:00 P.M.) E-voting end date and time Tuesday, August 25, 2026 (05:00 P.M.) Members who are attending the AGM and have not cast their vote during remote e-voting period, can vote on the resolutions during the AGM. The detailed instructions in this regard is furnished in the Notice of the AGM. Final Dividend for Financial Year 2025-26 and Updation of KYC details: Rate of Dividend Rs. 19.25 per equity share Record Date for eligibility to Friday, August 14 , 2026 receive the dividend As updation of KYC details are mandatory as per SEBI guidelines for receiving the dividend, shareholders are requested to approach their Depository Participant(s) (in case of demat shares) or our Registrar and Share Transfer Agent as per the details tabled below (in case of physical shares) to update the KYC details immediately, if not already done. Particulars Details Name of our Registrar and Share M/s. MUFG Intime India Private Limited Transfer Agent: (formerly M/s. Link Intime India Private Limited) Address: Unit: HPCL, C-101, Embassy 247, LBS Marg, Vikhroli (W), Mumbai - 400083 Contact No.: +91 8108116767 Email Id.: investor.helpdesk@in.mpms.mufg.com Web-link, including exact path where KYC forms are available are given below:- Web-link https://www.hindustanpetroleum.com/forms-for-kyc-updation-&-other-service-requests HPCL website www.hindustanpetroleum.comè Investorsè Shareholders Informationè Forms for KYC Updation path & Other Service Requests RTA’s website https://www.in.mpms.mufg.com è Resourcesè Downloadsè KYCè Formats for KYC path QR Code Thanking you, Very truly yours, Rakesh Kumar Singh Company Secretary Hindustan Petroleum Corporation Limited HPCL website https://www.hindustanpetroleumcom/forms-for-kyc-updation-&-other-service-requestsè Investors path è Shareholders Information Forms for KYC Updation & Other Service Requests RTA’s website https://www.in.mpms.mufg.com èResourcesèDownloadsèKYCèFormats for KYC path ...·