Chevron Crude Oil Marketing - North America - August 2010 East of the Rockies Summary

North America Crude Oil Marketing - August 2010 Summary East of the Rockies Bulletins 10-E148 to 10-E170, 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	E148 08/01	E149 08/02	E150 08/03	E151 08/04	E152 08/05	E153 08/06	E154 08/09	E155 08/10	E156 08/11	E157 08/12	E158 08/13	E159 08/16	Gvty Adj*
Altamont Yellow Wax	67.45	69.84	71.05	70.97	70.51	69.20	69.98	68.75	66.52	64.24	63.89	63.74	B
Bonito Sour (Onshore)	78.75	81.00	82.25	82.25	81.75	80.50	81.25	80.00	77.75	75.50	75.25	75.00	A
Deepwater Sour (Onshore) (30ï¿½)	76.25	78.50	79.75	79.75	79.25	78.00	78.75	77.50	75.25	73.00	72.75	72.50	F,G
East Texas	75.25	77.75	79.00	79.00	78.50	77.00	78.00	76.75	74.50	72.25	71.75	71.75	none
Eugene Island Sour (Onshore)	79.00	81.50	82.50	82.50	82.00	80.75	81.50	80.25	78.00	75.75	75.50	75.25	A
Heavy Louisiana Sweet (Onshore)	80.00	82.25	83.50	83.50	83.00	81.75	82.50	81.25	79.00	76.75	76.25	76.25	A
Light Louisiana Sweet (Onshore)	81.00	83.25	84.50	84.50	84.00	82.75	83.50	82.25	80.00	77.75	77.25	77.25	A
New Mexico Intermediate	75.50	78.00	79.25	79.25	78.75	77.25	78.25	77.00	74.75	72.50	72.00	72.00	none
New Mexico Sour (34ï¿½)	70.75	73.25	74.50	74.50	74.00	72.50	73.50	72.25	70.00	67.75	67.25	67.25	none
North Texas Sweet	75.50	78.00	79.25	79.25	78.75	77.25	78.25	77.00	74.75	72.50	72.00	72.00	none
Oklahoma Sour	70.75	73.25	74.50	74.50	74.00	72.50	73.50	72.25	70.00	67.75	67.25	67.25	none
Oklahoma Sweet	75.50	78.00	79.25	79.25	78.75	77.25	78.25	77.00	74.75	72.50	72.00	72.00	none
Rocky Mountain Condensate	64.70	67.09	68.30	68.22	67.76	66.45	67.23	66.00	63.77	61.49	61.14	60.99	H
South Texas Light Sweet	73.50	76.00	77.25	77.25	76.75	75.25	76.25	75.00	72.75	70.50	70.00	70.00	none
Southwest Wyoming Sweet	69.30	71.69	72.90	72.82	72.36	71.05	71.83	70.60	68.37	66.09	65.74	65.59	E
Uinta Basin Black Wax	66.45	68.84	70.05	69.97	69.51	68.20	68.98	67.75	65.52	63.24	62.89	62.74	B
West Texas Intermediate	75.50	78.00	79.25	79.25	78.75	77.25	78.25	77.00	74.75	72.50	72.00	72.00	none
West Texas Sour (34ï¿½)	70.75	73.25	74.50	74.50	74.00	72.50	73.50	72.25	70.00	67.75	67.25	67.25	none
Western Colorado	65.70	68.09	69.30	69.22	68.76	67.45	68.23	67.00	64.77	62.49	62.14	61.99	B

East of the Rockies	E160 08/17	E161 08/18	E162 08/19	E163 08/20	E164 08/23	E165 08/24	E166 08/25	E167 08/26	E168 08/27	E169 08/30	E170 08/31	Mthly Avg
Altamont Yellow Wax	64.27	63.92	62.93	61.96	61.60	60.13	61.02	61.86	63.67	63.20	60.42	65.1148
Bonito Sour (Onshore)	75.50	75.25	74.25	73.25	72.75	71.50	72.25	73.00	75.00	74.50	71.75	76.3952
Deepwater Sour (Onshore) (30ï¿½)	73.00	72.75	71.75	70.75	70.50	69.00	69.75	70.75	72.50	72.00	69.25	73.9113
East Texas	72.25	71.75	70.75	70.00	69.50	68.00	69.00	69.75	71.50	71.00	68.25	73.0242
Eugene Island Sour (Onshore)	75.75	75.50	74.50	73.50	73.25	71.75	72.50	73.50	75.25	74.75	72.00	76.6694
Heavy Louisiana Sweet (Onshore)	76.75	76.25	75.25	74.50	74.00	72.50	73.50	74.25	76.00	75.75	72.75	77.5645
Light Louisiana Sweet (Onshore)	77.75	77.25	76.25	75.50	75.00	73.50	74.50	75.25	77.00	76.75	73.75	78.5645
New Mexico Intermediate	72.50	72.00	71.00	70.25	69.75	68.25	69.25	70.00	71.75	71.25	68.50	73.2742
New Mexico Sour (34ï¿½)	67.75	67.25	66.25	65.50	65.00	63.50	64.50	65.25	67.00	66.50	63.75	68.5242
North Texas Sweet	72.50	72.00	71.00	70.25	69.75	68.25	69.25	70.00	71.75	71.25	68.50	73.2742
Oklahoma Sour	67.75	67.25	66.25	65.50	65.00	63.50	64.50	65.25	67.00	66.50	63.75	68.5242
Oklahoma Sweet	72.50	72.00	71.00	70.25	69.75	68.25	69.25	70.00	71.75	71.25	68.50	73.2742
Rocky Mountain Condensate	61.52	61.17	60.18	59.21	58.85	57.38	58.27	59.11	60.92	60.45	57.67	62.3648
South Texas Light Sweet	70.50	70.00	69.00	68.25	67.75	66.25	67.25	68.00	69.75	69.25	66.50	71.2742
Southwest Wyoming Sweet	66.12	65.77	64.78	63.81	63.45	61.98	62.87	63.71	65.52	65.05	62.27	66.9648
Uinta Basin Black Wax	63.27	62.92	61.93	60.96	60.60	59.13	60.02	60.86	62.67	62.20	59.42	64.1148
West Texas Intermediate	72.50	72.00	71.00	70.25	69.75	68.25	69.25	70.00	71.75	71.25	68.50	73.2742
West Texas Sour (34ï¿½)	67.75	67.25	66.25	65.50	65.00	63.50	64.50	65.25	67.00	66.50	63.75	68.5242
Western Colorado	62.52	62.17	61.18	60.21	59.85	58.38	59.27	60.11	61.92	61.45	58.67	63.3648

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.