Tamilnadu Petroproducts Limited has published a newspaper advertisement notifying its shareholders of a Special Window opened by the Securities and Exchange Board of India (SEBI) for the transfer and dematerialisation of physical securities. The notice, dated May 12, 2026, was issued pursuant to Regulation 47(1)(d) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, and was published in Financial Express (English) and Makkal Kural (Tamil).

SEBI Special Window: Key Details

The Special Window has been established in accordance with SEBI Circular No. H/38/13/11(2)(2026)-MIRSD-POD/1/3750/2026, dated January 30, 2026. It enables shareholders to lodge transfer and dematerialisation requests for physical securities that were sold or purchased prior to April 01, 2019. The following table summarises the key parameters of the Special Window:

Eligibility Criteria

The Special Window is applicable in the following cases:

• Where the original share transfer request(s) was not lodged prior to April 01, 2019, and the original share certificate is available.
• Where original share transfer request(s) were lodged prior to April 01, 2019 and were rejected, returned, or not attended to due to deficiency in documents, process, or otherwise.

Conditions Governing the Special Window

Shareholders availing of the Special Window must note the following mandatory conditions governing the transfer and dematerialisation process:

• Shares shall be credited to the transferee exclusively in demat mode.
• Transferred shares shall be under lock-in for a period of one year from the date of registration of transfer.
• During the lock-in period, the securities shall not be transferred, lien-marked, or pledged.

Eligible shareholders are required to re-lodge their requests with the company's Registrar and Transfer Agent, Cameo Corporate Services Limited, at Subramanian Building 1, Club House Road, Chennai – 600 002. The notice was signed by Sangeetha Sekar, Company Secretary of Tamilnadu Petroproducts Limited, and the advertisement copies are also available on the company's website at www.tnpetro.com .

Tamilnadu Petroproducts Limited has announced the resumption of operations at its Propylene Oxide (PO) plant, effective May 6, 2026. The disclosure was made to the stock exchanges pursuant to Regulation 30 read with Para B of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

Plant Operations Update

The company communicated this development as a project update, referencing its earlier communication dated March 16, 2026. The resumption marks a significant operational milestone for the company's manufacturing facility located at Manali Express Highway, Manali, Chennai.

The key details of the disclosure are summarised below:

Regulatory Disclosure

The intimation was submitted to both BSE Limited and the National Stock Exchange of India Ltd, in compliance with applicable listing obligations. The disclosure was signed by Sangeetha Sekar, Company Secretary of Tamilnadu Petroproducts Limited, on May 6, 2026.