North America Crude Oil Marketing - February 2002 Summary California Bulletins 02-CA9 to 02-CA15, 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	CA9 02/01	CA10 02/08	CA11 02/11	CA12 02/12
Asphalto		17.35	17.85	18.85	18.35
Belridge Hvy (under 28�)		13.90	14.40	15.40	14.90
Belridge Lt (over 28�)		17.15	17.65	18.65	18.15
Buena Vista Hills		16.20	16.70	17.70	17.20
Cal Canal		18.20	18.70	19.70	19.20
Coalinga		14.20	14.70	15.70	15.20
Cymric		13.55	14.05	15.05	14.55
Huntington Beach		14.80	15.30	16.30	15.80
Kern River		13.75	14.25	15.25	14.75
Kettleman Hills		17.60	18.10	19.10	18.60
Lost Hills		17.10	17.60	18.60	18.10
McKittrick		13.75	14.25	15.25	14.75
Midway Sunset		13.75	14.25	15.25	14.75
Montebello		15.70	16.20	17.20	16.70
Pt Arguello (onshore)		10.40	10.90	11.90	11.40
Railroad Gap		17.25	17.75	18.75	18.25
San Ardo		12.25	12.75	13.75	13.25
Seal Beach		16.65	17.15	18.15	17.65

California	API	CA13 02/13	CA14 02/20	CA15 02/28	Mthly Avg
Asphalto		18.85	18.35	19.10	18.2161
Belridge Hvy (under 28�)		15.40	14.90	15.65	14.7661
Belridge Lt (over 28�)		18.65	18.15	18.90	18.0161
Buena Vista Hills		17.70	17.20	17.95	17.0661
Cal Canal		19.70	19.20	19.95	19.0661
Coalinga		15.70	15.20	15.95	15.0661
Cymric		15.05	14.55	15.30	14.4161
Huntington Beach		16.30	15.80	16.55	15.6661
Kern River		15.25	14.75	15.50	14.6161
Kettleman Hills		19.10	18.60	19.35	18.4661
Lost Hills		18.60	18.10	18.85	17.9661
McKittrick		15.25	14.75	15.50	14.6161
Midway Sunset		15.25	14.75	15.50	14.6161
Montebello		17.20	16.70	17.45	16.5661
Pt Arguello (onshore)		11.90	11.40	12.15	11.2661
Railroad Gap		18.75	18.25	19.00	18.1161
San Ardo		13.75	13.25	14.00	13.1161
Seal Beach		18.15	17.65	18.40	17.5161

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.