North America Crude Oil Marketing - March 2009 Summary California Bulletins 09-CA40 to 09-CA61, 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	CA40 03/02	CA41 03/03	CA42 03/04	CA43 03/05	CA44 03/06	CA45 03/09	CA46 03/10	CA47 03/11	CA48 03/12	CA49 03/13	CA50 03/16	CA51 03/17
Buena Vista Hills		41.80	43.30	47.30	46.05	48.45	50.00	48.65	45.25	49.20	47.70	48.80	50.50
Coalinga		36.35	37.85	41.85	40.60	43.00	44.55	43.20	39.80	43.75	42.25	43.35	45.05
Huntington Beach		36.70	38.20	42.20	40.95	43.35	44.90	43.55	40.15	44.10	42.60	43.70	45.40
Kettleman Hills		45.35	46.85	50.85	49.60	52.00	53.55	52.20	48.80	52.75	51.25	52.35	54.05
Lost Hills		43.55	45.05	49.05	47.80	50.20	51.75	50.40	47.00	50.95	49.45	50.55	52.25
McKittrick		35.60	37.10	41.10	39.85	42.25	43.80	42.45	39.05	43.00	41.50	42.60	44.30
Midway Sunset		35.60	37.10	41.10	39.85	42.25	43.80	42.45	39.05	43.00	41.50	42.60	44.30
Seal Beach		41.35	42.85	46.85	45.60	48.00	49.55	48.20	44.80	48.75	47.25	48.35	50.05

California	API	CA52 03/18	CA53 03/19	CA54 03/20	CA55 03/23	CA56 03/24	CA57 03/25	CA58 03/26	CA59 03/27	CA60 03/30	CA61 03/31		Mthly Avg
Buena Vista Hills		49.35	52.65	51.95	54.55	54.60	53.25	54.65	52.55	48.55	49.65		49.5629
Coalinga		43.90	47.20	46.50	49.10	49.15	47.80	49.20	47.10	43.10	44.20		44.1129
Huntington Beach		44.25	47.55	46.85	49.45	49.50	48.15	49.55	47.45	43.45	44.55		44.4629
Kettleman Hills		52.90	56.20	55.50	58.10	58.15	56.80	58.20	56.10	52.10	53.20		53.1129
Lost Hills		51.10	54.40	53.70	56.30	56.35	55.00	56.40	54.30	50.30	51.40		51.3129
McKittrick		43.15	46.45	45.75	48.35	48.40	47.05	48.45	46.35	42.35	43.45		43.3629
Midway Sunset		43.15	46.45	45.75	48.35	48.40	47.05	48.45	46.35	42.35	43.45		43.3629
Seal Beach		48.90	52.20	51.50	54.10	54.15	52.80	54.20	52.10	48.10	49.20		49.1129

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.