Castrol India has announced a strategic partnership with Hindustan Petroleum Corporation Limited (HPCL) to explore the development of a re-refined base oil system. This collaboration marks a significant initiative in the lubricants industry towards sustainable manufacturing practices.

Partnership Objectives

The agreement between Castrol India and HPCL focuses on investigating the feasibility and implementation of a comprehensive re-refined base oil system. The partnership aims to establish a robust framework for processing used lubricating oils into high-quality base oils that can be reused in lubricant manufacturing.

Circular Economy Model

The companies are working together to create a circular model that encompasses the entire lifecycle of lubricating oils. This model involves:

• Systematic gathering of used lubricating oil from various sources
• Advanced re-refining processes to restore oil quality
• Integration of re-refined base oils into new lubricant products
• Establishment of sustainable supply chain practices

Environmental Impact

This initiative represents a commitment to environmental sustainability in the lubricants sector. By developing systems to collect and re-refine used lubricating oil, the partnership aims to reduce waste generation and minimize the environmental footprint of lubricant manufacturing. The circular approach helps conserve natural resources while maintaining product quality standards.

Industry Significance

The collaboration between Castrol India and HPCL demonstrates the industry's shift towards more sustainable practices. Re-refined base oils offer an environmentally responsible alternative to virgin base oils, supporting the circular economy principles while meeting the growing demand for eco-friendly industrial solutions.

Castrol India has issued official clarifications to BSE Limited addressing queries regarding both significant share price and volume movements, providing detailed responses to regulatory inquiries under SEBI LODR regulations across two separate communications.

Latest BSE Query Response on Volume Movement

The company responded to BSE's latest email dated December 26, 2025, received at 12:26 P.M., bearing reference number L/SURV/ONL/PV/APJ/2025-2026/803, which sought clarification for significant increase in the volume of securities across both stock exchanges.

Previous Share Price Movement Clarification

Earlier, the company had responded to BSE's email dated December 24, 2025, bearing reference number LISURV/ONL/RV/APy/(2025-2026)/111, which sought clarification for the significant increase in the company's share price.

Regulatory Announcements Reference

In both clarifications, Castrol India referenced its announcement dated December 24, 2025, made under Regulations 30 and 30A of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015. These announcements are available on the stock exchanges and serve as the primary information relevant to the market activity.

No Additional Material Information

The company confirmed in its latest response that apart from the December 24 announcements, there is no other information or announcement (including pending announcement) which the company is privy to that may have a bearing on the price or volume behavior in the company's scrip. The company committed to disclosing any such information in compliance with SEBI LODR Regulations should it receive any.

Corporate Governance and Transparency

Both formal responses, signed by Company Secretary and Compliance Officer Hemangi Ghag, underscore Castrol India's commitment to corporate governance and market integrity. The company's proactive engagement with multiple BSE queries reflects its dedication to ensuring that trading in its shares is based on accurate and publicly available information, maintaining transparency in all market communications.