Tamilnadu Petroproducts Limited has announced the successful completion of expansion activities at its Heavy Chemicals Division (HCD) plant, with operations scheduled to commence from March 28, 2026. The company disclosed this development through a regulatory filing dated March 27, 2026, pursuant to Regulation 30 of SEBI Listing Regulations.

Project Completion and Operational Commencement

The expansion project at the Heavy Chemicals Division has reached completion after months of development activities. The company confirmed that all expansion activities have been successfully finished, enabling the facility to begin operations from the following day.

Regulatory Approvals and Environmental Compliance

Tamilnadu Petroproducts Limited has secured the necessary regulatory clearances for its expanded operations. The Tamil Nadu Pollution Control Board has granted Consent to Operate for the company's enhanced production capacity.

The regulatory approval encompasses multiple environmental compliance aspects:

• Air Pollution Control: Permission to operate and discharge emissions under Section 21 of the Air (Prevention and Control of Pollution) Act, 1981 as amended in 1987
• Water Pollution Control: Authorization to discharge sewage and trade effluent under Section 25 of the Water (Prevention and Control of Pollution) Act, 1974 as amended in 1988
• Production Capacity: Approved for 250 TPD of Caustic Soda production at the HCD plant

Project Timeline and Communication History

The current announcement represents the culmination of a structured expansion process that has been communicated to stakeholders through multiple updates. The company referenced its earlier communications dated November 11, 2024 and March 17, 2026, indicating a systematic approach to project development and stakeholder engagement.

Strategic Significance

The completion of the Heavy Chemicals Division expansion represents a significant operational milestone for Tamilnadu Petroproducts Limited. The enhanced production capacity of 250 TPD for Caustic Soda production positions the company to meet increased market demand while maintaining environmental compliance standards.

The company has fulfilled all regulatory requirements and obtained necessary environmental clearances, ensuring smooth commencement of operations at the expanded facility. This development aligns with the company's growth strategy and operational expansion plans in the petrochemicals sector.

Tamilnadu Petroproducts Limited has filed its mandatory statement of dematerialized shares with the National Stock Exchange of India Limited and BSE Limited for the period from February 16, 2026 to February 28, 2026. The filing was made on March 18, 2026, in compliance with Regulation 74(5) of the SEBI (Depositories & Participants) Regulations, 2018.

Dematerialization Summary

The statement reveals comprehensive dematerialization activity during the specified period. The company processed dematerialization requests for multiple shareholders across various certificate numbers and share ranges.

Shareholder-wise Dematerialization Details

The dematerialization activity involved various shareholders with different share quantities. Notable transactions include:

• Chittur Balakrishnan and Ananthanlata Ananthan: 500 shares dematerialized on February 17, 2026
• Sujata Attaluri: 500 shares across multiple certificates dematerialized on February 28, 2026
• Dilip Ruprao Deshmukh and Neelima Dilip Deshmukh: 400 shares across four certificates on February 28, 2026
• Ummer Koya P N: 300 shares across three certificates on February 26, 2026
• Mahesh K Karachiwalla and Harsha K Karachiwalla: 300 shares across three certificate ranges on February 17, 2026

Processing Timeline

The dematerialization confirmations were spread across the reporting period:

Regulatory Compliance

The statement was digitally signed by Sangeetha Sekar, Company Secretary of Tamilnadu Petroproducts Limited, ensuring authenticity and compliance with regulatory requirements. The company maintains its registered office and factory at Manali Express Highway, Manali, Chennai - 600 068, and operates under CIN L23200TN1984PLC010931.

All dematerialization activities were processed through both NSDL and CDSL depositories, with the majority of transactions handled through NSDL. The systematic filing demonstrates the company's adherence to SEBI regulations regarding the reporting of share dematerialization activities.