Chevron Crude Oil Marketing - North America - August 2003 California Summary

North America Crude Oil Marketing - August 2003 Summary California Bulletins 03-CA124 to 03-CA138, 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	CA124 08/01	CA125 08/04	CA126 08/05	CA127 08/06	CA128 08/07	CA129 08/08	CA130 08/12	CA131 08/13
Asphalto	29.85	29.35	29.60	29.10	29.85	29.60	29.35	28.35
Belridge Hvy (under 28ï¿½)	27.15	26.65	26.90	26.40	27.15	26.90	26.65	25.65
Belridge Lt (over 28ï¿½)	29.75	29.25	29.50	29.00	29.75	29.50	29.25	28.25
Buena Vista Hills	28.95	28.45	28.70	28.20	28.95	28.70	28.45	27.45
Cal Canal	30.65	30.15	30.40	29.90	30.65	30.40	30.15	29.15
Coalinga	27.45	26.95	27.20	26.70	27.45	27.20	26.95	25.95
Cymric	26.85	26.35	26.60	26.10	26.85	26.60	26.35	25.35
Huntington Beach	27.75	27.25	27.50	27.00	27.75	27.50	27.25	26.25
Kern River	27.00	26.50	26.75	26.25	27.00	26.75	26.50	25.50
Kettleman Hills	30.05	29.55	29.80	29.30	30.05	29.80	29.55	28.55
Lost Hills	29.70	29.20	29.45	28.95	29.70	29.45	29.20	28.20
McKittrick	27.00	26.50	26.75	26.25	27.00	26.75	26.50	25.50
Midway Sunset	27.00	26.50	26.75	26.25	27.00	26.75	26.50	25.50
Montebello	28.60	28.10	28.35	27.85	28.60	28.35	28.10	27.10
Pt Arguello (onshore)	23.30	22.80	23.05	22.55	23.30	23.05	22.80	21.80
Railroad Gap	29.75	29.25	29.50	29.00	29.75	29.50	29.25	28.25
San Ardo	25.50	25.00	25.25	24.75	25.50	25.25	25.00	24.00
Seal Beach	29.35	28.85	29.10	28.60	29.35	29.10	28.85	27.85

California	CA132 08/14	CA133 08/18	CA134 08/21	CA135 08/25	CA136 08/26	CA137 08/27	CA138 08/28	Mthly Avg
Asphalto	28.60	28.35	29.35	29.10	29.35	28.60	28.85	29.1242
Belridge Hvy (under 28ï¿½)	25.90	25.65	26.65	26.40	26.65	25.90	26.15	26.4242
Belridge Lt (over 28ï¿½)	28.50	28.25	29.25	29.00	29.25	28.50	28.75	29.0242
Buena Vista Hills	27.70	27.45	28.45	28.20	28.45	27.70	27.95	28.2242
Cal Canal	29.40	29.15	30.15	29.90	30.15	29.40	29.65	29.9242
Coalinga	26.20	25.95	26.95	26.70	26.95	26.20	26.45	26.7242
Cymric	25.60	25.35	26.35	26.10	26.35	25.60	25.85	26.1242
Huntington Beach	26.50	26.25	27.25	27.00	27.25	26.50	26.75	27.0242
Kern River	25.75	25.50	26.50	26.25	26.50	25.75	26.00	26.2742
Kettleman Hills	28.80	28.55	29.55	29.30	29.55	28.80	29.05	29.3242
Lost Hills	28.45	28.20	29.20	28.95	29.20	28.45	28.70	28.9742
McKittrick	25.75	25.50	26.50	26.25	26.50	25.75	26.00	26.2742
Midway Sunset	25.75	25.50	26.50	26.25	26.50	25.75	26.00	26.2742
Montebello	27.35	27.10	28.10	27.85	28.10	27.35	27.60	27.8742
Pt Arguello (onshore)	22.05	21.80	22.80	22.55	22.80	22.05	22.30	22.5742
Railroad Gap	28.50	28.25	29.25	29.00	29.25	28.50	28.75	29.0242
San Ardo	24.25	24.00	25.00	24.75	25.00	24.25	24.50	24.7742
Seal Beach	28.10	27.85	28.85	28.60	28.85	28.10	28.35	28.6242

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.