North America Crude Oil Marketing - June 2002 Summary California Bulletins 02-CA52 to 02-CA60, 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	CA52 06/03	CA53 06/06	CA54 06/10	CA55 06/12	CA56 06/13
Asphalto		22.45	22.20	21.70	21.95	23.20
Belridge Hvy (under 28�)		20.10	19.85	19.35	19.60	20.85
Belridge Lt (over 28�)		22.40	22.15	21.65	21.90	23.15
Buena Vista Hills		21.70	21.45	20.95	21.20	22.45
Cal Canal		23.20	22.95	22.45	22.70	23.95
Coalinga		20.40	20.15	19.65	19.90	21.15
Cymric		19.90	19.65	19.15	19.40	20.65
Huntington Beach		20.75	20.50	20.00	20.25	21.50
Kern River		20.00	19.75	19.25	19.50	20.75
Kettleman Hills		22.60	22.35	21.85	22.10	23.35
Lost Hills		22.35	22.10	21.60	21.85	23.10
McKittrick		20.00	19.75	19.25	19.50	20.75
Midway Sunset		20.00	19.75	19.25	19.50	20.75
Montebello		21.40	21.15	20.65	20.90	22.15
Pt Arguello (onshore)		16.65	16.40	15.90	16.15	17.40
Railroad Gap		22.40	22.15	21.65	21.90	23.15
San Ardo		18.65	18.40	17.90	18.15	19.40
Seal Beach		22.05	21.80	21.30	21.55	22.80

California	API	CA57 06/17	CA58 06/18	CA59 06/24	CA60 06/26	Mthly Avg
Asphalto		23.45	22.95	23.70	24.20	22.9750
Belridge Hvy (under 28�)		21.10	20.60	21.35	21.85	20.6250
Belridge Lt (over 28�)		23.40	22.90	23.65	24.15	22.9250
Buena Vista Hills		22.70	22.20	22.95	23.45	22.2250
Cal Canal		24.20	23.70	24.45	24.95	23.7250
Coalinga		21.40	20.90	21.65	22.15	20.9250
Cymric		20.90	20.40	21.15	21.65	20.4250
Huntington Beach		21.75	21.25	22.00	22.50	21.2750
Kern River		21.00	20.50	21.25	21.75	20.5250
Kettleman Hills		23.60	23.10	23.85	24.35	23.1250
Lost Hills		23.35	22.85	23.60	24.10	22.8750
McKittrick		21.00	20.50	21.25	21.75	20.5250
Midway Sunset		21.00	20.50	21.25	21.75	20.5250
Montebello		22.40	21.90	22.65	23.15	21.9250
Pt Arguello (onshore)		17.65	17.15	17.90	18.40	17.1750
Railroad Gap		23.40	22.90	23.65	24.15	22.9250
San Ardo		19.65	19.15	19.90	20.40	19.1750
Seal Beach		23.05	22.55	23.30	23.80	22.5750

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.