North America Crude Oil Marketing - September 2001 Summary California Bulletins 01-CA52 to 01-CA58, 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 09/07	CA53 09/17	CA54 09/18	CA55 09/19
Asphalto		23.60	24.60	24.10	23.35
Belridge Hvy (under 28�)		20.15	21.15	20.65	19.90
Belridge Lt (over 28�)		23.40	24.40	23.90	23.15
Buena Vista Hills		22.45	23.45	22.95	22.20
Cal Canal		24.45	25.45	24.95	24.20
Coalinga		20.45	21.45	20.95	20.20
Cymric		19.80	20.80	20.30	19.55
Huntington Beach		21.05	22.05	21.55	20.80
Kern River		20.00	21.00	20.50	19.75
Kettleman Hills		23.85	24.85	24.35	23.60
Lost Hills		23.35	24.35	23.85	23.10
McKittrick		20.00	21.00	20.50	19.75
Midway Sunset		20.00	21.00	20.50	19.75
Montebello		21.95	22.95	22.45	21.70
Pt Arguello (onshore)		16.65	17.65	17.15	16.40
Railroad Gap		23.50	24.50	24.00	23.25
Seal Beach		22.90	23.90	23.40	22.65

California	API	CA56 09/21	CA57 09/24	CA58 09/28	Mthly Avg
Asphalto		22.60	18.60	19.35	22.3417
Belridge Hvy (under 28�)		19.15	15.15	15.90	18.8917
Belridge Lt (over 28�)		22.40	18.40	19.15	22.1417
Buena Vista Hills		21.45	17.45	18.20	21.1917
Cal Canal		23.45	19.45	20.20	23.1917
Coalinga		19.45	15.45	16.20	19.1917
Cymric		18.80	14.80	15.55	18.5417
Huntington Beach		20.05	16.05	16.80	19.7917
Kern River		19.00	15.00	15.75	18.7417
Kettleman Hills		22.85	18.85	19.60	22.5917
Lost Hills		22.35	18.35	19.10	22.0917
McKittrick		19.00	15.00	15.75	18.7417
Midway Sunset		19.00	15.00	15.75	18.7417
Montebello		20.95	16.95	17.70	20.6917
Pt Arguello (onshore)		15.65	11.65	12.40	15.3917
Railroad Gap		22.50	18.50	19.25	22.2417
Seal Beach		21.90	17.90	18.65	21.6417

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.