North America Crude Oil Marketing - July 2002 Summary California Bulletins 02-CA61 to 02-CA69, 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	CA61 07/08	CA62 07/10	CA63 07/12	CA64 07/16	CA65 07/22
Asphalto		23.70	24.45	24.95	25.45	24.45
Belridge Hvy (under 28�)		21.35	22.10	22.60	23.10	22.10
Belridge Lt (over 28�)		23.65	24.40	24.90	25.40	24.40
Buena Vista Hills		22.95	23.70	24.20	24.70	23.70
Cal Canal		24.45	25.20	25.70	26.20	25.20
Coalinga		21.65	22.40	22.90	23.40	22.40
Cymric		21.15	21.90	22.40	22.90	21.90
Huntington Beach		22.00	22.75	23.25	23.75	22.75
Kern River		21.25	22.00	22.50	23.00	22.00
Kettleman Hills		23.85	24.60	25.10	25.60	24.60
Lost Hills		23.60	24.35	24.85	25.35	24.35
McKittrick		21.25	22.00	22.50	23.00	22.00
Midway Sunset		21.25	22.00	22.50	23.00	22.00
Montebello		22.65	23.40	23.90	24.40	23.40
Pt Arguello (onshore)		17.90	18.65	19.15	19.65	18.65
Railroad Gap		23.65	24.40	24.90	25.40	24.40
San Ardo		19.90	20.65	21.15	21.65	20.65
Seal Beach		23.30	24.05	24.55	25.05	24.05

California	API	CA66 07/23	CA67 07/24	CA68 07/30	CA69 07/31	Mthly Avg
Asphalto		24.20	24.45	25.20	24.95	24.6355
Belridge Hvy (under 28�)		21.85	22.10	22.85	22.60	22.2855
Belridge Lt (over 28�)		24.15	24.40	25.15	24.90	24.5855
Buena Vista Hills		23.45	23.70	24.45	24.20	23.8855
Cal Canal		24.95	25.20	25.95	25.70	25.3855
Coalinga		22.15	22.40	23.15	22.90	22.5855
Cymric		21.65	21.90	22.65	22.40	22.0855
Huntington Beach		22.50	22.75	23.50	23.25	22.9355
Kern River		21.75	22.00	22.75	22.50	22.1855
Kettleman Hills		24.35	24.60	25.35	25.10	24.7855
Lost Hills		24.10	24.35	25.10	24.85	24.5355
McKittrick		21.75	22.00	22.75	22.50	22.1855
Midway Sunset		21.75	22.00	22.75	22.50	22.1855
Montebello		23.15	23.40	24.15	23.90	23.5855
Pt Arguello (onshore)		18.40	18.65	19.40	19.15	18.8355
Railroad Gap		24.15	24.40	25.15	24.90	24.5855
San Ardo		20.40	20.65	21.40	21.15	20.8355
Seal Beach		23.80	24.05	24.80	24.55	24.2355

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.