North America Crude Oil Marketing - February 2007 Summary California Bulletins 07-CA22 to 07-CA39, with Monthly Averages

Chevron has changed its posted prices as shown below: Effective 7:00 AM on the above listed effective date, subject to change without notice, Chevron will pay the following prices per barrel for crude oil and condensate delivered for its account into the custody of its authorized carrier or receiving agent. Prices are subject to deduction for transportation and other charges where applicable. Prices for oil apply to quantities measured by approved automatic custody transfer facilities or 100% tank table with customary adjustment of volume and gravity for temperature and full deduction for sediment and water.

* Prices are subject to a Gravity Adjustment Scale

California	API	CA22 02/01	CA23 02/02	CA24 02/05	CA25 02/06	CA26 02/07	CA27 02/08	CA28 02/09	CA29 02/12	CA30 02/13	CA31 02/14
Buena Vista Hills		51.80	53.50	53.40	53.55	52.40	54.40	54.55	52.45	53.70	52.70
Coalinga		46.70	48.40	48.30	48.45	47.30	49.30	49.45	47.35	48.60	47.60
Huntington Beach		48.15	49.85	49.75	49.90	48.75	50.75	50.90	48.80	50.05	49.05
Kettleman Hills		55.30	57.00	56.90	57.05	55.90	57.90	58.05	55.95	57.20	56.20
Lost Hills		53.75	55.45	55.35	55.50	54.35	56.35	56.50	54.40	55.65	54.65
McKittrick		45.95	47.65	47.55	47.70	46.55	48.55	48.70	46.60	47.85	46.85
Midway Sunset		45.95	47.65	47.55	47.70	46.55	48.55	48.70	46.60	47.85	46.85
San Ardo		42.80	44.50	44.40	44.55	43.40	45.40	45.55	43.45	44.70	43.70
Seal Beach		52.80	54.50	54.40	54.55	53.40	55.40	55.55	53.45	54.70	53.70

California	API	CA32 02/16	CA33 02/20	CA34 02/21	CA35 02/22	CA36 02/23	CA37 02/26	CA38 02/27	CA39 02/28		Mthly Avg
Buena Vista Hills		54.10	52.80	54.90	55.80	56.00	56.25	56.35	56.70		54.2304
Coalinga		49.00	47.70	49.80	50.70	50.90	51.15	51.25	51.60		49.1304
Huntington Beach		50.45	49.15	51.25	52.15	52.35	52.60	52.70	53.05		50.5804
Kettleman Hills		57.60	56.30	58.40	59.30	59.50	59.75	59.85	60.20		57.7304
Lost Hills		56.05	54.75	56.85	57.75	57.95	58.20	58.30	58.65		56.1804
McKittrick		48.25	46.95	49.05	49.95	50.15	50.40	50.50	50.85		48.3804
Midway Sunset		48.25	46.95	49.05	49.95	50.15	50.40	50.50	50.85		48.3804
San Ardo		45.10	43.80	45.90	46.80	47.00	47.25	47.35	47.70		45.2304
Seal Beach		55.10	53.80	55.90	56.80	57.00	57.25	57.35	57.70		55.2304

Note: Prices in $/bbl

Measurement The prices are based upon computation of quantities by mutually acceptable automatic measuring equipment in accordance with the latest ASTM Standards and API Manual of Petroleum Measurement Standards (MPMS) generally accepted in the petroleum industry with deductions for full sediment, water and other impurities.