North America Crude Oil Marketing - October 2002 Summary California Bulletins 02-CA95 to 02-CA106, 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	CA95 10/01	CA96 10/03	CA97 10/04	CA98 10/09	CA99 10/10	CA100 10/14	CA101 10/16
Asphalto		28.75	28.00	27.75	27.50	27.35	27.85	27.60
Belridge Hvy (under 28�)		25.65	24.90	24.65	24.40	23.90	24.40	24.15
Belridge Lt (over 28�)		28.60	27.85	27.60	27.35	27.15	27.65	27.40
Buena Vista Hills		27.70	26.95	26.70	26.45	26.20	26.70	26.45
Cal Canal		29.55	28.80	28.55	28.30	28.20	28.70	28.45
Coalinga		25.95	25.20	24.95	24.70	24.20	24.70	24.45
Cymric		25.35	24.60	24.35	24.10	23.55	24.05	23.80
Huntington Beach		26.45	25.70	25.45	25.20	24.80	25.30	25.05
Kern River		25.50	24.75	24.50	24.25	23.75	24.25	24.00
Kettleman Hills		28.95	28.20	27.95	27.70	27.60	28.10	27.85
Lost Hills		28.55	27.80	27.55	27.30	27.10	27.60	27.35
McKittrick		25.50	24.75	24.50	24.25	23.75	24.25	24.00
Midway Sunset		25.50	24.75	24.50	24.25	23.75	24.25	24.00
Montebello		27.25	26.50	26.25	26.00	25.70	26.20	25.95
Pt Arguello (onshore)		22.15	21.40	21.15	20.90	20.40	20.90	20.65
Railroad Gap		28.65	27.90	27.65	27.40	27.25	27.75	27.50
San Ardo		24.05	23.30	23.05	22.80	22.25	22.75	22.50
Seal Beach		28.10	27.35	27.10	26.85	26.65	27.15	26.90

California	API	CA102 10/21	CA103 10/22	CA104 10/25	CA105 10/29	CA106 10/31		Mthly Avg
Asphalto		26.35	25.85	24.85	24.35	24.60		26.8210
Belridge Hvy (under 28�)		22.90	22.40	21.40	20.90	21.15		23.4726
Belridge Lt (over 28�)		26.15	25.65	24.65	24.15	24.40		26.6355
Buena Vista Hills		25.20	24.70	23.70	23.20	23.45		25.7000
Cal Canal		27.20	26.70	25.70	25.20	25.45		27.6565
Coalinga		23.20	22.70	21.70	21.20	21.45		23.7726
Cymric		22.55	22.05	21.05	20.55	20.80		23.1371
Huntington Beach		23.80	23.30	22.30	21.80	22.05		24.3435
Kern River		22.75	22.25	21.25	20.75	21.00		23.3226
Kettleman Hills		26.60	26.10	25.10	24.60	24.85		27.0565
Lost Hills		26.10	25.60	24.60	24.10	24.35		26.5855
McKittrick		22.75	22.25	21.25	20.75	21.00		23.3226
Midway Sunset		22.75	22.25	21.25	20.75	21.00		23.3226
Montebello		24.70	24.20	23.20	22.70	22.95		25.2145
Pt Arguello (onshore)		19.40	18.90	17.90	17.40	17.65		19.9726
Railroad Gap		26.25	25.75	24.75	24.25	24.50		26.7210
San Ardo		21.25	20.75	19.75	19.25	19.50		21.8371
Seal Beach		25.65	25.15	24.15	23.65	23.90		26.1355

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.