North America Crude Oil Marketing - January 2010 Summary California Bulletins 10-CA1 to 10-CA19, 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	CA1 01/04	CA2 01/05	CA3 01/06	CA4 01/07	CA5 01/08	CA6 01/11	CA7 01/12	CA8 01/13	CA9 01/14	CA10 01/15
Buena Vista Hills		79.60	79.85	81.30	80.80	80.90	80.90	79.15	78.00	77.75	76.35
Coalinga		74.75	75.00	76.45	75.95	76.05	76.05	74.30	73.15	72.90	71.50
Huntington Beach		74.20	74.45	75.90	75.40	75.50	75.25	73.50	72.35	72.10	70.70
Kettleman Hills		82.75	83.00	84.45	83.95	84.05	84.05	82.30	81.15	80.90	79.50
Lost Hills		81.15	81.40	82.85	82.35	82.45	82.45	80.70	79.55	79.30	77.90
McKittrick		74.05	74.30	75.75	75.25	75.35	75.35	73.60	72.45	72.20	70.80
Midway Sunset		74.05	74.30	75.75	75.25	75.35	75.35	73.60	72.45	72.20	70.80
Seal Beach		78.55	78.80	80.25	79.75	79.85	79.60	77.85	76.70	76.45	75.05

California	API	CA11 01/19	CA12 01/20	CA13 01/21	CA14 01/22	CA15 01/25	CA16 01/26	CA17 01/27	CA18 01/28	CA19 01/29	Mthly Avg
Buena Vista Hills		77.40	76.00	74.45	72.90	73.90	73.35	72.30	72.25	71.50	77.7368
Coalinga		72.55	71.15	69.60	68.05	69.05	68.50	67.45	67.40	66.65	72.8912
Huntington Beach		71.75	70.35	68.80	67.25	68.00	67.45	66.40	66.35	65.60	71.7868
Kettleman Hills		80.55	79.15	77.60	76.05	77.05	76.50	75.45	75.40	74.65	80.9000
Lost Hills		78.95	77.55	76.00	74.45	75.45	74.90	73.85	73.80	73.05	79.2956
McKittrick		71.85	70.45	68.90	67.35	68.35	67.80	66.75	66.70	65.95	72.1868
Midway Sunset		71.85	70.45	68.90	67.35	68.35	67.80	66.75	66.70	65.95	72.1868
Seal Beach		76.10	74.70	73.15	71.60	72.35	71.80	70.75	70.70	69.95	76.1324

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.