As per the API:
Quote:
Company Information/Background:
EXXONMOBIL OIL CORPORATION began marketing licensed motor oil products on August 10, 1993 under a license issued by the American Petroleum Institute. This License and Agreement will terminate on March 9, 2009 unless extended by mutual agreement.
The Certification Marks referred to and licensed under the agreement between API and the licensee are as follows:
Licensee is authorized to display the API Service Symbol on the following products during the period of December 5, 2008 through March 9, 2009:
Code:
Brand Name SAE Viscosity Grade Service Category Current Expiration Date
ESSO UNIFLO 10W-30 SL* March 9, 2009
ESSO UNIFLO 10W-30 SM* March 9, 2009
ESSO UNIFLO 10W-40 SL March 9, 2009
ESSO UNIFLO 5W-30 SM* March 9, 2009
EXXON SUPERFLO 10W-30 SM* March 9, 2009
EXXON SUPERFLO 10W-40 SM March 9, 2009
EXXON SUPERFLO 20W-50 SM March 9, 2009
EXXON SUPERFLO 30 SM March 9, 2009
EXXON SUPERFLO 40 SL March 9, 2009
EXXON SUPERFLO 5W-20 SM* March 9, 2009
EXXON SUPERFLO 5W-30 SM* March 9, 2009
EXXON XD-3 10W-30 CF,CG-4,CH-4,CI-4/SL March 9, 2009
EXXON XD-3 15W-40 CF,CG-4,CH-4,CI-4/SL March 9, 2009
MOBIL 1 0W-20 SM/CF* March 9, 2009
MOBIL 1 0W-30 SM/CF* March 9, 2009
MOBIL 1 0W-40 SL/CF* March 9, 2009
MOBIL 1 10W-30 SM/CF* March 9, 2009
MOBIL 1 15W-50 SM/CF March 9, 2009
MOBIL 1 5W-20 SM/CF* March 9, 2009
MOBIL 1 5W-30 SM/CF* March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 10W-30 SL/CF* March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 10W-30 SM/CF* March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 15W-50 SM/CF March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 5W-20 SM/CF* March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 5W-30 SL/CF* March 9, 2009
MOBIL 1 EXTENDED PERFORMANCE 5W-30 SM/CF* March 9, 2009