Chevron Crude Oil Marketing - North America - August 2003 East of the Rockies Summary

North America Crude Oil Marketing - August 2003 Summary East of the Rockies Bulletins 03-E151 to 03-E171, with Monthly Averages

Chevron has changed its posted prices as shown below:

Effective 7:00 a.m. on the date(s) indicated, and subject to change without notice and subject to the terms and conditions of its division orders or other contracts, Chevron will pay the following prices ($/bbl) for oil at 40.0° API and above, except as noted below, delivered into pipelines for its account into the custody of its authorized carrier or receiving agent. The posted prices for crude oil transported by truck or barge will be the following prices less appropriate trucking or barge cost. The posted prices for crude oil received off shore will be the following prices less appropriate transportation and quality costs to get the crude on shore. Regarding technical issues of Chevron's most recent posted prices, call Christine Mathwig 832-854-5159.

POSTINGS WILL BE DISCONTINUED AS OF 8/1/19

* Prices are subject to a Gravity Adjustment Scale

East of the Rockies	E151 08/01	E152 08/04	E153 08/05	E154 08/06	E155 08/07	E156 08/08	E157 08/11	E158 08/12	E159 08/13	E160 08/14	E161 08/15	Gvty Adj*
Altamont Yellow Wax	32.31	31.84	32.22	31.70	32.39	32.18	32.01	31.92	30.78	31.09	31.05	B
Bonito Sour (Onshore)	31.00	30.50	31.00	30.50	31.25	31.00	30.75	30.75	29.50	29.75	29.75	A
Deepwater Sour (Onshore) (30ï¿½)	29.00	28.50	28.75	28.25	29.00	28.75	28.75	28.50	27.50	27.75	27.75	F,G
East Texas	32.48	32.01	32.39	31.87	32.56	32.35	32.18	32.09	30.95	31.26	31.22	none
Eugene Island Sour (Onshore)	30.75	30.25	30.75	30.25	30.75	30.75	30.50	30.50	29.25	29.50	29.50	A
Heavy Louisiana Sweet (Onshore)	31.50	31.00	31.25	30.75	31.50	31.25	31.25	31.00	30.00	30.25	30.25	A
Light Louisiana Sweet (Onshore)	31.75	31.25	31.75	31.25	32.00	31.75	31.50	31.50	30.25	30.50	30.50	A
New Mexico Intermediate	32.64	32.17	32.55	32.03	32.72	32.51	32.34	32.25	31.11	31.42	31.38	none
New Mexico Sour (34ï¿½)	30.66	30.19	30.57	30.05	30.74	30.53	30.36	30.27	29.13	29.44	29.40	none
North Texas Sweet	31.74	31.27	31.65	31.13	31.82	31.61	31.44	31.35	30.21	30.52	30.48	none
Oklahoma Sour	30.66	30.19	30.57	30.05	30.74	30.53	30.36	30.27	29.13	29.44	29.40	none
Oklahoma Sweet	32.97	32.50	32.88	32.36	33.05	32.84	32.67	32.58	31.44	31.75	31.71	none
South Texas Light Sweet	31.31	30.84	31.22	30.70	31.39	31.18	31.01	30.92	29.78	30.09	30.05	none
Southwest Wyoming Sweet	33.11	32.64	33.02	32.50	33.19	32.98	32.81	32.72	31.58	31.89	31.85	E
Uinta Basin Black Wax	29.06	28.59	28.97	28.45	29.14	28.93	28.76	28.67	27.53	27.84	27.80	B
West Texas Intermediate	32.10	31.63	32.01	31.49	32.18	31.97	31.80	31.71	30.57	30.88	30.84	none
West Texas Sour (34ï¿½)	30.11	29.64	30.02	29.50	30.19	29.98	29.81	29.72	28.58	28.89	28.85	none
Western Colorado	33.10	32.63	33.01	32.49	33.18	32.97	32.80	32.71	31.57	31.88	31.84	B

East of the Rockies	E162 08/18	E163 08/19	E164 08/20	E165 08/21	E166 08/22	E167 08/25	E168 08/26	E169 08/27	E170 08/28	E171 08/29	Mthly Avg
Altamont Yellow Wax	30.89	30.70	30.95	31.88	31.84	31.56	31.95	31.21	31.50	31.57	31.6594
Bonito Sour (Onshore)	29.75	29.50	29.75	30.75	30.50	30.25	30.75	30.00	30.25	30.25	30.4032
Deepwater Sour (Onshore) (30ï¿½)	27.50	27.25	27.50	28.50	28.50	28.25	28.50	27.75	28.00	28.25	28.2903
East Texas	31.06	30.87	31.12	32.05	32.01	31.73	32.12	31.38	31.67	31.74	31.8294
Eugene Island Sour (Onshore)	29.25	29.25	29.50	30.25	30.25	30.00	30.50	29.75	30.00	30.00	30.1290
Heavy Louisiana Sweet (Onshore)	30.00	29.75	30.00	31.00	31.00	30.75	31.00	30.25	30.75	30.75	30.7984
Light Louisiana Sweet (Onshore)	30.50	30.25	30.50	31.50	31.25	31.00	31.50	30.75	31.00	31.00	31.1532
New Mexico Intermediate	31.22	31.03	31.28	32.21	32.17	31.89	32.28	31.54	31.83	31.90	31.9894
New Mexico Sour (34ï¿½)	29.24	29.05	29.30	30.23	30.19	29.91	30.30	29.56	29.85	29.92	30.0094
North Texas Sweet	30.32	30.13	30.38	31.31	31.27	30.99	31.38	30.64	30.93	31.00	31.0894
Oklahoma Sour	29.24	29.05	29.30	30.23	30.19	29.91	30.30	29.56	29.85	29.92	30.0094
Oklahoma Sweet	31.55	31.36	31.61	32.54	32.50	32.22	32.61	31.87	32.16	32.23	32.3194
South Texas Light Sweet	29.89	29.70	29.95	30.88	30.84	30.56	30.95	30.21	30.50	30.57	30.6594
Southwest Wyoming Sweet	31.69	31.50	31.75	32.68	32.64	32.36	32.75	32.01	32.30	32.37	32.4594
Uinta Basin Black Wax	27.64	27.45	27.70	28.63	28.59	28.31	28.70	27.96	28.25	28.32	28.4094
West Texas Intermediate	30.68	30.49	30.74	31.67	31.63	31.35	31.74	31.00	31.29	31.36	31.4494
West Texas Sour (34ï¿½)	28.69	28.50	28.75	29.68	29.64	29.36	29.75	29.01	29.30	29.37	29.4594
Western Colorado	31.68	31.49	31.74	32.67	32.63	32.35	32.74	32.00	32.29	32.36	32.4494

Note: Prices in $/bbl

Measurement
The prices are based upon computation of quantities by mutually acceptable automatic measuring equipment in accordance with provisions of API Standard 1101 or from 100% tank tables with corrections of volume and gravity for temperature to 60°F in accordance with ASTM D-1250 and supplements thereto, if any, and with deductions for full sediment, water and other impurities. Only merchantable oil acceptable to the receiving agency designated by Chevron and containing not more than 1% sediment and water will be accepted.