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

North America Crude Oil Marketing - May 2010 Summary East of the Rockies Bulletins 10-E84 to 10-E104, 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	E84 05/01	E85 05/03	E86 05/04	E87 05/05	E88 05/06	E89 05/07	E90 05/10	E91 05/11	E92 05/12	E93 05/13	E94 05/14	Gvty Adj*
Altamont Yellow Wax	76.65	76.69	73.24	70.47	67.61	65.61	67.30	66.87	66.15	64.90	62.11	B
Bonito Sour (Onshore)	85.00	85.00	81.50	78.75	76.00	74.00	75.75	75.25	74.50	73.25	70.50	A
Deepwater Sour (Onshore) (30ï¿½)	82.50	82.50	79.00	76.25	73.50	71.50	73.00	72.75	72.00	70.75	68.00	F,G
East Texas	82.50	82.50	79.25	76.50	73.50	71.50	73.25	72.75	72.00	70.75	68.00	none
Eugene Island Sour (Onshore)	85.00	85.00	81.50	78.75	76.00	74.00	75.50	75.25	74.50	73.25	70.50	A
Heavy Louisiana Sweet (Onshore)	86.75	86.75	83.50	80.75	77.75	75.75	77.50	77.00	76.25	75.00	72.25	A
Light Louisiana Sweet (Onshore)	87.50	87.50	84.00	81.25	78.50	76.50	78.00	77.75	77.00	75.75	73.00	A
New Mexico Intermediate	82.75	82.75	79.50	76.75	73.75	71.75	73.50	73.00	72.25	71.00	68.25	none
New Mexico Sour (34ï¿½)	78.00	78.00	74.75	72.00	69.00	67.00	68.75	68.25	67.50	66.25	63.50	none
North Texas Sweet	82.75	82.75	79.50	76.75	73.75	71.75	73.50	73.00	72.25	71.00	68.25	none
Oklahoma Sour	78.00	78.00	74.75	72.00	69.00	67.00	68.75	68.25	67.50	66.25	63.50	none
Oklahoma Sweet	82.75	82.75	79.50	76.75	73.75	71.75	73.50	73.00	72.25	71.00	68.25	none
Rocky Mountain Condensate	72.15	72.19	68.74	65.97	63.11	61.11	62.80	62.37	61.65	60.40	57.61	H
South Texas Light Sweet	80.75	80.75	77.50	74.75	71.75	69.75	71.50	71.00	70.25	69.00	66.25	none
Southwest Wyoming Sweet	77.15	77.19	73.74	70.97	68.11	66.11	67.80	67.37	66.65	65.40	62.61	E
Uinta Basin Black Wax	75.65	75.69	72.24	69.47	66.61	64.61	66.30	65.87	65.15	63.90	61.11	B
West Texas Intermediate	82.75	82.75	79.50	76.75	73.75	71.75	73.50	73.00	72.25	71.00	68.25	none
West Texas Sour (34ï¿½)	78.00	78.00	74.75	72.00	69.00	67.00	68.75	68.25	67.50	66.25	63.50	none
Western Colorado	73.65	73.69	70.24	67.47	64.61	62.61	64.30	63.87	63.15	61.90	59.11	B

East of the Rockies	E95 05/17	E96 05/18	E97 05/19	E98 05/20	E99 05/21	E100 05/24	E101 05/25	E102 05/26	E103 05/27	E104 05/28	Mthly Avg
Altamont Yellow Wax	60.58	59.91	60.37	58.51	60.54	60.71	59.25	62.01	65.05	64.47	65.0187
Bonito Sour (Onshore)	69.00	68.25	68.75	67.00	69.00	69.00	67.50	70.50	73.50	72.75	73.3871
Deepwater Sour (Onshore) (30ï¿½)	66.25	65.75	66.25	64.25	66.25	66.50	65.00	67.75	70.75	70.25	70.8226
East Texas	66.50	65.75	66.25	64.50	66.50	66.75	65.25	68.00	71.00	70.50	70.9516
Eugene Island Sour (Onshore)	69.00	68.25	68.75	66.75	68.75	69.00	67.50	70.25	73.25	72.75	73.3306
Heavy Louisiana Sweet (Onshore)	70.75	70.00	70.50	68.75	70.75	71.00	69.50	72.25	75.25	74.75	75.2016
Light Louisiana Sweet (Onshore)	71.50	70.75	71.25	69.25	71.25	71.50	70.00	72.75	75.75	75.25	75.8306
New Mexico Intermediate	66.75	66.00	66.50	64.75	66.75	67.00	65.50	68.25	71.25	70.75	71.2016
New Mexico Sour (34ï¿½)	62.00	61.25	61.75	60.00	62.00	62.25	60.75	63.50	66.50	66.00	66.4516
North Texas Sweet	66.75	66.00	66.50	64.75	66.75	67.00	65.50	68.25	71.25	70.75	71.2016
Oklahoma Sour	62.00	61.25	61.75	60.00	62.00	62.25	60.75	63.50	66.50	66.00	66.4516
Oklahoma Sweet	66.75	66.00	66.50	64.75	66.75	67.00	65.50	68.25	71.25	70.75	71.2016
Rocky Mountain Condensate	56.58	55.91	56.37	54.51	56.54	56.71	55.25	58.01	61.05	60.47	60.7606
South Texas Light Sweet	64.75	64.00	64.50	62.75	64.75	65.00	63.50	66.25	69.25	68.75	69.2016
Southwest Wyoming Sweet	61.08	60.41	60.87	59.01	61.04	61.21	59.75	62.51	65.55	64.97	65.5187
Uinta Basin Black Wax	59.58	58.91	59.37	57.51	59.54	59.71	58.25	61.01	64.05	63.47	64.0187
West Texas Intermediate	66.75	66.00	66.50	64.75	66.75	67.00	65.50	68.25	71.25	70.75	71.2016
West Texas Sour (34ï¿½)	62.00	61.25	61.75	60.00	62.00	62.25	60.75	63.50	66.50	66.00	66.4516
Western Colorado	57.58	56.91	57.37	55.51	57.54	57.71	56.25	59.01	62.05	61.47	62.0187

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.