View of the Baytown, TX refinery at night

Base stock products

As one of the world’s largest manufacturers of base stocks, ExxonMobil has all bases covered. We are committed to bringing the most efficient production capacity to the marketplace – ensuring long-term, reliable supply of consistent and innovative Group I and Group II/II+ base stocks.

We are committed to the long-term supply of Group I products, and our commitment to increasing the supply of enhanced Group II/II+ base stocks is shown by our investments in our facilities in Baytown, Rotterdam and Singapore.

"With ExxonMobil as our trusted base stocks supplier, we know we are receiving some of the highest-quality products in the industry. From Group I to Group II base stocks, ExxonMobil consistently delivers supply that meets technical approvals and OEM requirements.*" 

-Lubricant manufacturer based in Asia-Pacific


Our robust Group I CORE™, Group II/II+ EHC™ and Group IV/V slates provide you with a broad range of consistent, high-quality base stocks with compatible characteristics that give you confidence in your base oil and lubricant blends and formulations.

Learn more about our available product groups below.

  • Multiple beakers with orange liquid inside

    Group I

    Through industry-leading base stock technologies and innovations, our quality Group I products – including Americas CORE™ and AP/E CORE™ – are designed to help you consistently meet base oil formulation requirements.

  • exxonmobil industrial gears and molecules with copy

    Group II/II+ EHC™

    Our high-quality EHC™ base stocks – delivered reliably and with consistent product quality – offer targeted performance capabilities to meet a broad range of base oil and lubricant blending needs.

  • Baton rouge refinery

    Synthetic base stocks

    Innovate confidently with support from a global leader empowering your success.

Americas Europe, Middle East and Africa Asia Pacific
Group I - Main Americas CORE™ AP/E CORE™ AP/E CORE™

Group I – Complementary

Americas SN 330


AP/E SN 500

Group I Specialty Americas SN 800 SN 800
Canthus 1000
AP SN 800
Group II Specialty EHC™ 20L EHC™ 20L
Group II/II+ EHC™ 45
EHC™ 65
EHC™ 120
EHC™ 50
EHC™ 120
EHC™ 50
EHC™ 110
EHC™ 120
Synthetic Learn more about our synthetic basestocks    

For more information, please search by PDS or contact us.

* This testimonial is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior base stock used.