North America Crude Oil Marketing - April 2009 Summary California Bulletins 09-CA62 to 09-CA82, 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	CA62 04/01	CA63 04/02	CA64 04/03	CA65 04/06	CA66 04/07	CA67 04/08	CA68 04/09	CA69 04/13	CA70 04/14	CA71 04/15	CA72 04/16
Buena Vista Hills		48.25	52.35	52.05	50.45	48.40	48.50	51.20	49.00	48.35	48.25	49.00
Coalinga		42.80	46.90	46.60	45.00	42.95	43.05	45.75	43.55	42.90	42.80	43.55
Huntington Beach		43.15	47.25	46.95	45.35	43.30	43.40	46.10	43.90	43.25	43.15	43.90
Kettleman Hills		51.80	55.90	55.60	54.00	51.95	52.05	54.75	52.55	51.90	51.80	52.55
Lost Hills		50.00	54.10	53.80	52.20	50.15	50.25	52.95	50.75	50.10	50.00	50.75
McKittrick		42.05	46.15	45.85	44.25	42.20	42.30	45.00	42.80	42.15	42.05	42.80
Midway Sunset		42.05	46.15	45.85	44.25	42.20	42.30	45.00	42.80	42.15	42.05	42.80
Seal Beach		47.80	51.90	51.60	50.00	47.95	48.05	50.75	48.55	47.90	47.80	48.55

California	API	CA73 04/17	CA74 04/20	CA75 04/21	CA76 04/22	CA77 04/23	CA78 04/24	CA79 04/27	CA80 04/28	CA81 04/29	CA82 04/30	Mthly Avg
Buena Vista Hills		49.35	44.90	45.55	47.85	48.60	50.55	49.15	48.95	50.00	50.15	49.6117
Coalinga		43.90	39.45	40.10	42.40	43.15	45.10	43.70	43.50	44.55	44.70	44.1617
Huntington Beach		44.25	39.80	40.45	42.75	43.50	45.45	44.05	43.85	44.90	45.05	44.5117
Kettleman Hills		52.90	48.45	49.10	51.40	52.15	54.10	52.70	52.50	53.55	53.70	53.1617
Lost Hills		51.10	46.65	47.30	49.60	50.35	52.30	50.90	50.70	51.75	51.90	51.3617
McKittrick		43.15	38.70	39.35	41.65	42.40	44.35	42.95	42.75	43.80	43.95	43.4117
Midway Sunset		43.15	38.70	39.35	41.65	42.40	44.35	42.95	42.75	43.80	43.95	43.4117
Seal Beach		48.90	44.45	45.10	47.40	48.15	50.10	48.70	48.50	49.55	49.70	49.1617

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.