Chevron Oronite unveils PC-12 additive solutions with more than 20 licensable industry claims and OEM approvals

SAN RAMON, Calif., July 16, 2026 – Chevron Oronite, a global leader in lubricant additives, today announced its PC-12 additive technology solutions designed to help lubricant marketers meet the next generation ofheavy-duty engine oil specifications.

With first licensing targeted for January 1, 2027, the PC-12 category represents a significant advancement in engine oil performance — addressing evolving industry needs for improved fuel efficiency, extended oil life, and enhanced protection for modern engine hardware and aftertreatment systems.

Chevron Oronite’s PC-12 solutions are designed as a single platform with multiple possibilities – giving customers the flexibility to formulate across a wide range of applications with confidence. It includes two primary additive technologies with new dispersant chemistry— OLOA® 59382 (PPD-embedded) and OLOA® 59380 (non-PPD).

Key benefits include:

1. Wider application coverage – supporting multi-fleet applications with broad base oil compatibility and multiple viscosity grades

2. Broad backward compatibility – enabling use across API CK-4 (low phosphorus) from API CL-4, and linkage to API CK-4 (high phosphorus) applications

3. Extensive range of claims and approvals – more than 20 licensable industry claims and OEM approvals

4. Proven protection and performance – validation through engine testing and multiple real-world field trials globally

“Our PC-12 solutions are built to help customers move faster and with greater confidence,” said Emmanuelle Faure-Birchem, Global Product Line Manager – AEO/VM/SE/Driveline/Hydraulics, Chevron Oronite. “By combining broad licensable industry claims and OEM approvals with validated performance, Chevron Oronite gives lubricant marketers a practical, flexible platform to simplify formulation, reduce complexity and be ready for evolving market needs.”

About Chevron Oronite
Chevron Oronite is a leading developer, manufacturer and marketer of fuel and lubricant additives, helping provide solutions to customers globally. Headquartered in San Ramon, California (USA), Chevron Oronite maintains regional offices in Houston (Americas Region), Paris (Europe-Africa-Middle East Region), and Singapore (Asia-Pacific Region); operates manufacturing sites in Belle Chasse, Louisiana (USA), Gonfreville (France), Singapore, Ningbo (China) and Mauá (Brazil); an affiliated blending and shipping plant in Omaezaki, Japan; technology centers in the USA, France, the Netherlands, Japan and China and has interests in additive companies operating in other locations, including India. Learn more about Chevron Oronite at www.oronite.com.

Chevron Oronite is comprised of numerous affiliates that are indirect, wholly-owned subsidiaries of Chevron Corporation. For simplicity in this news release, the terms “Chevron Oronite” and/or “Oronite” are used as abbreviated references to Chevron Corporation affiliates that are part of the Chevron Oronite business unit. Nothing in this document is intended to override or supersede the corporate separateness of these entities.

Chevron is one of the world’s leading integrated energy companies. We believe affordable, reliable, and ever-cleaner energy is essential to enabling human progress. Chevron produces crude oil and natural gas; manufactures transportation fuels, lubricants, petrochemicals and additives; and develops technologies that enhance our business and the industry. We aim to grow our oil and gas business and grow new energies businesses. More information about Chevron is available at www.chevron.com.