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

North America Crude Oil Marketing - September 2010 Summary East of the Rockies Bulletins 10-E171 to 10-E191, 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	E171 09/01	E172 09/02	E173 09/03	E174 09/07	E175 09/08	E176 09/09	E177 09/10	E178 09/13	E179 09/14	E180 09/15	E181 09/16	Gvty Adj*
Altamont Yellow Wax	62.41	63.52	63.10	62.59	63.17	62.75	64.95	65.69	65.30	63.27	61.82	B
Bonito Sour (Onshore)	73.50	74.50	74.25	73.75	74.25	73.75	76.00	76.75	76.25	75.50	74.25	A
Deepwater Sour (Onshore) (30ï¿½)	70.75	71.75	71.50	71.00	71.50	71.00	73.25	74.00	73.50	72.75	71.25	F,G
East Texas	70.25	71.50	71.00	70.50	71.00	70.75	72.75	73.50	73.25	72.50	71.00	none
Eugene Island Sour (Onshore)	73.75	74.75	74.25	73.75	74.50	74.00	76.25	77.00	76.50	75.75	74.25	A
Heavy Louisiana Sweet (Onshore)	74.75	76.00	75.50	75.00	75.50	75.25	77.25	78.00	77.75	77.00	75.50	A
Light Louisiana Sweet (Onshore)	76.00	77.25	76.75	76.25	76.75	76.25	78.50	79.25	79.00	78.25	76.75	A
New Mexico Intermediate	70.50	71.75	71.25	70.75	71.25	71.00	73.00	73.75	73.50	72.75	71.25	none
New Mexico Sour (34ï¿½)	65.75	67.00	66.50	66.00	66.50	66.25	68.25	69.00	68.75	68.00	66.50	none
North Texas Sweet	70.50	71.75	71.25	70.75	71.25	71.00	73.00	73.75	73.50	72.75	71.25	none
Oklahoma Sour	65.75	67.00	66.50	66.00	66.50	66.25	68.25	69.00	68.75	68.00	66.50	none
Oklahoma Sweet	70.50	71.75	71.25	70.75	71.25	71.00	73.00	73.75	73.50	72.75	71.25	none
Rocky Mountain Condensate	59.66	60.77	60.35	59.84	60.42	60.00	62.20	62.94	62.55	61.77	60.32	H
South Texas Light Sweet	68.50	69.75	69.25	68.75	69.25	69.00	71.00	71.75	71.50	70.75	69.25	none
Southwest Wyoming Sweet	64.26	65.37	64.95	64.44	65.02	64.60	66.80	67.54	67.15	66.77	65.32	E
Uinta Basin Black Wax	61.41	62.52	62.10	61.59	62.17	61.75	63.95	64.69	64.30	62.27	60.82	B
West Texas Intermediate	70.50	71.75	71.25	70.75	71.25	71.00	73.00	73.75	73.50	72.75	71.25	none
West Texas Sour (34ï¿½)	65.75	67.00	66.50	66.00	66.50	66.25	68.25	69.00	68.75	68.00	66.50	none
Western Colorado	60.66	61.77	61.35	60.84	61.42	61.00	63.20	63.94	63.55	62.77	61.32	B

East of the Rockies	E182 09/17	E183 09/20	E184 09/21	E185 09/22	E186 09/23	E187 09/24	E188 09/27	E189 09/28	E190 09/29	E191 09/30	Mthly Avg
Altamont Yellow Wax	60.91	62.11	60.77	61.96	62.43	63.74	63.77	63.43	65.11	67.22	63.2840
Bonito Sour (Onshore)	73.25	74.50	73.00	74.25	74.75	76.00	76.00	75.75	77.50	79.50	75.0167
Deepwater Sour (Onshore) (30ï¿½)	70.50	71.75	70.25	71.50	72.00	73.25	73.25	73.00	74.75	76.75	72.2583
East Texas	70.00	71.25	70.00	71.25	71.50	73.00	73.00	72.50	74.25	76.50	71.8583
Eugene Island Sour (Onshore)	73.50	74.50	73.25	74.50	75.00	76.25	76.25	76.00	77.50	79.75	75.2000
Heavy Louisiana Sweet (Onshore)	74.50	75.75	74.50	75.50	76.00	77.50	77.50	77.00	78.75	80.75	76.3417
Light Louisiana Sweet (Onshore)	75.75	77.00	75.75	76.75	77.25	78.50	78.75	78.25	80.00	82.00	77.5583
New Mexico Intermediate	70.25	71.50	70.25	71.50	71.75	73.25	73.25	72.75	74.50	76.75	72.1083
New Mexico Sour (34ï¿½)	65.50	66.75	65.50	66.75	67.00	68.50	68.50	68.00	69.75	72.00	67.3583
North Texas Sweet	70.25	71.50	70.25	71.50	71.75	73.25	73.25	72.75	74.50	76.75	72.1083
Oklahoma Sour	65.50	66.75	65.50	66.75	67.00	68.50	68.50	68.00	69.75	72.00	67.3583
Oklahoma Sweet	70.25	71.50	70.25	71.50	71.75	73.25	73.25	72.75	74.50	76.75	72.1083
Rocky Mountain Condensate	59.41	60.61	59.27	60.46	60.93	62.24	62.27	61.93	63.61	65.72	61.2007
South Texas Light Sweet	68.25	69.50	68.25	69.50	69.75	71.25	71.25	70.75	72.50	74.75	70.1083
Southwest Wyoming Sweet	64.41	65.61	64.27	65.46	65.93	67.24	67.27	66.93	68.61	70.72	66.0140
Uinta Basin Black Wax	59.91	61.11	59.77	60.96	61.43	62.74	62.77	62.43	64.11	66.22	62.2840
West Texas Intermediate	70.25	71.50	70.25	71.50	71.75	73.25	73.25	72.75	74.50	76.75	72.1083
West Texas Sour (34ï¿½)	65.50	66.75	65.50	66.75	67.00	68.50	68.50	68.00	69.75	72.00	67.3583
Western Colorado	60.41	61.61	60.27	61.46	61.93	63.24	63.27	62.93	64.61	66.72	62.2007

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.