Hindustan Petroleum Corporation Limited has issued a public notice dated May 13, 2026, announcing a special window for shareholders to lodge transfer requests of physical shares. The notice, signed by Company Secretary Rakesh Kumar Singh, has been published in various newspapers and is also hosted on the company's official website at www.hindustanpetroleum.com . This communication follows earlier public notices issued on July 11, 2025, September 17, 2025, November 14, 2025, and March 23, 2026.

Special Window for Physical Share Transfers

Pursuant to SEBI Circulars dated July 02, 2025 and January 30, 2026, the company has granted an additional one-year opportunity to eligible shareholders for lodgement of physical share transfer requests. The key details of the special window are outlined below:

Eligibility Criteria

The special window is available to shareholders who fall under either of the following categories:

• Shareholders who missed lodging transfer requests for physical shares that were sold or purchased prior to April 01, 2019.
• Shareholders who had lodged their transfer deeds of physical shares prior to the deadline of April 01, 2019, but whose requests were rejected, returned, or not attended due to deficiency in documents or process, and who missed re-lodging their requests before the cut-off date of March 31, 2021.

During this special window period, shares lodged for transfer shall, upon approval, be issued only in demat mode. Due process shall be followed for all such transfer-cum-demat requests.

How to Submit Transfer Requests

Shareholders are requested to submit their transfer requests to the company's Registrar and Share Transfer Agent. The contact details are as follows:

The public notice has been issued from the company's Registered Office at Petroleum House, 17, Jamshedji Tata Road, Churchgate, Mumbai – 400 020, and has been communicated to both BSE Limited and National Stock Exchange of India Limited.

Hindustan Petroleum Corporation Limited has informed the stock exchanges of a change in its board composition, with Shri Vivekananda Biswal ceasing to serve as an Independent Director of the company effective May 05, 2026. The disclosure was made pursuant to Regulation 30 read with Schedule III Part A of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

Director Cessation Details

The cessation follows the completion of Shri Vivekananda Biswal's tenure of office on May 04, 2026. The key details of the board change are outlined below:

Regulatory Disclosure

The intimation was submitted to both BSE Limited and the National Stock Exchange of India Limited on May 05, 2026. The communication was signed by Rakesh Kumar Singh, Company Secretary of Hindustan Petroleum Corporation Limited, and was issued from the company's registered office at 17, Jamshedji Tata Road, Mumbai – 400 020.