North America Crude Oil Marketing - February 2009 Summary California Bulletins 09-CA21 to 09-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	CA21 02/02	CA22 02/03	CA23 02/04	CA24 02/05	CA25 02/06	CA26 02/09	CA27 02/10	CA28 02/11	CA29 02/12	CA30 02/13
Buena Vista Hills		34.75	35.60	35.30	36.30	35.45	34.95	33.05	31.70	29.85	33.50
Coalinga		29.30	30.15	29.85	30.85	30.00	29.50	27.60	26.25	24.40	28.05
Huntington Beach		29.65	30.50	30.20	31.20	30.35	29.85	27.95	26.60	24.75	28.40
Kettleman Hills		38.30	39.15	38.85	39.85	39.00	38.50	36.60	35.25	33.40	37.05
Lost Hills		36.50	37.35	37.05	38.05	37.20	36.70	34.80	33.45	31.60	35.25
McKittrick		28.55	29.40	29.10	30.10	29.25	28.75	26.85	25.50	23.65	27.30
Midway Sunset		28.55	29.40	29.10	30.10	29.25	28.75	26.85	25.50	23.65	27.30
Seal Beach		34.30	35.15	34.85	35.85	35.00	34.50	32.60	31.25	29.40	33.05

California	API	CA31 02/17	CA32 02/18	CA33 02/19	CA34 02/20	CA35 02/23	CA36 02/24	CA37 02/25	CA38 02/26	CA39 02/27	Mthly Avg
Buena Vista Hills		31.70	31.95	37.55	37.50	37.75	40.00	43.10	46.35	46.40	36.4911
Coalinga		26.25	26.50	32.10	32.05	32.30	34.55	37.65	40.90	40.95	31.0411
Huntington Beach		26.60	26.85	32.45	32.40	32.65	34.90	38.00	41.25	41.30	31.3911
Kettleman Hills		35.25	35.50	41.10	41.05	41.30	43.55	46.65	49.90	49.95	40.0411
Lost Hills		33.45	33.70	39.30	39.25	39.50	41.75	44.85	48.10	48.15	38.2411
McKittrick		25.50	25.75	31.35	31.30	31.55	33.80	36.90	40.15	40.20	30.2911
Midway Sunset		25.50	25.75	31.35	31.30	31.55	33.80	36.90	40.15	40.20	30.2911
Seal Beach		31.25	31.50	37.10	37.05	37.30	39.55	42.65	45.90	45.95	36.0411

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.