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

North America Crude Oil Marketing - April 2010 Summary East of the Rockies Bulletins 10-E63 to 10-E83, 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	E63 04/01	E64 04/05	E65 04/06	E66 04/07	E67 04/08	E68 04/09	E69 04/12	E70 04/13	E71 04/14	E72 04/15	E73 04/16	Gvty Adj*
Altamont Yellow Wax	75.37	77.12	77.34	76.38	75.89	75.42	74.84	74.55	76.34	76.01	73.74	B
Bonito Sour (Onshore)	83.00	84.75	84.75	84.00	83.50	83.00	82.25	82.00	83.75	83.50	81.25	A
Deepwater Sour (Onshore) (30ï¿½)	80.25	82.00	82.25	81.25	80.75	80.25	79.75	79.50	81.25	81.00	78.75	F,G
East Texas	81.25	83.00	83.25	82.25	81.75	81.25	80.75	80.50	82.25	82.00	79.75	none
Eugene Island Sour (Onshore)	83.00	84.75	84.75	84.00	83.50	83.00	82.25	82.00	83.75	83.50	81.25	A
Heavy Louisiana Sweet (Onshore)	84.25	86.00	86.25	85.25	84.75	84.25	83.75	83.50	85.25	84.75	82.50	A
Light Louisiana Sweet (Onshore)	85.00	86.75	87.00	86.00	85.50	85.00	84.50	84.00	86.00	85.50	83.25	A
New Mexico Intermediate	81.50	83.25	83.50	82.50	82.00	81.50	81.00	80.75	82.50	82.25	80.00	none
New Mexico Sour (34ï¿½)	76.75	78.50	78.75	77.75	77.25	76.75	76.25	76.00	77.75	77.50	75.25	none
North Texas Sweet	81.50	83.25	83.50	82.50	82.00	81.50	81.00	80.75	82.50	82.25	80.00	none
Oklahoma Sour	76.75	78.50	78.75	77.75	77.25	76.75	76.25	76.00	77.75	77.50	75.25	none
Oklahoma Sweet	81.50	83.25	83.50	82.50	82.00	81.50	81.00	80.75	82.50	82.25	80.00	none
Rocky Mountain Condensate	70.37	72.12	72.34	71.38	70.89	70.42	69.84	69.55	71.34	71.51	69.24	H
South Texas Light Sweet	79.50	81.25	81.50	80.50	80.00	79.50	79.00	78.75	80.50	80.25	78.00	none
Southwest Wyoming Sweet	75.37	77.12	77.34	76.38	75.89	75.42	74.84	74.55	76.34	76.51	74.24	E
Uinta Basin Black Wax	74.37	76.12	76.34	75.38	74.89	74.42	73.84	73.55	75.34	75.01	72.74	B
West Texas Intermediate	81.50	83.25	83.50	82.50	82.00	81.50	81.00	80.75	82.50	82.25	80.00	none
West Texas Sour (34ï¿½)	76.75	78.50	78.75	77.75	77.25	76.75	76.25	76.00	77.75	77.50	75.25	none
Western Colorado	72.37	74.12	74.34	73.38	72.89	72.42	71.84	71.55	73.34	73.01	70.74	B

East of the Rockies	E74 04/19	E75 04/20	E76 04/21	E77 04/22	E78 04/23	E79 04/26	E80 04/27	E81 04/28	E82 04/29	E83 04/30	Mthly Avg
Altamont Yellow Wax	71.95	73.95	74.18	74.20	75.62	74.70	72.94	73.72	75.67	76.65	75.0750
Bonito Sour (Onshore)	79.50	81.50	81.75	81.75	83.25	82.25	80.50	81.25	83.25	84.25	82.6333
Deepwater Sour (Onshore) (30ï¿½)	77.00	79.00	79.00	79.25	80.50	79.75	78.00	78.75	80.50	81.50	80.0000
East Texas	77.75	79.75	80.00	80.00	81.50	80.50	78.75	79.75	81.50	82.50	80.9583
Eugene Island Sour (Onshore)	79.50	81.50	81.75	81.75	83.25	82.25	80.50	81.25	83.25	84.25	82.6333
Heavy Louisiana Sweet (Onshore)	80.75	82.75	83.00	83.00	84.50	83.50	81.75	82.50	84.50	85.50	83.9167
Light Louisiana Sweet (Onshore)	81.50	83.50	83.75	83.75	85.25	84.25	82.50	83.25	85.25	86.25	84.6583
New Mexico Intermediate	78.00	80.00	80.25	80.25	81.75	80.75	79.00	80.00	81.75	82.75	81.2083
New Mexico Sour (34ï¿½)	73.25	75.25	75.50	75.50	77.00	76.00	74.25	75.25	77.00	78.00	76.4583
North Texas Sweet	78.00	80.00	80.25	80.25	81.75	80.75	79.00	80.00	81.75	82.75	81.2083
Oklahoma Sour	73.25	75.25	75.50	75.50	77.00	76.00	74.25	75.25	77.00	78.00	76.4583
Oklahoma Sweet	78.00	80.00	80.25	80.25	81.75	80.75	79.00	80.00	81.75	82.75	81.2083
Rocky Mountain Condensate	67.45	69.45	69.68	69.70	71.12	70.20	68.44	69.22	71.17	72.15	70.3417
South Texas Light Sweet	76.00	78.00	78.25	78.25	79.75	78.75	77.00	78.00	79.75	80.75	79.2083
Southwest Wyoming Sweet	72.45	74.45	74.68	74.70	76.12	75.20	73.44	74.22	76.17	77.15	75.3417
Uinta Basin Black Wax	70.95	72.95	73.18	73.20	74.62	73.70	71.94	72.72	74.67	75.65	74.0750
West Texas Intermediate	78.00	80.00	80.25	80.25	81.75	80.75	79.00	80.00	81.75	82.75	81.2083
West Texas Sour (34ï¿½)	73.25	75.25	75.50	75.50	77.00	76.00	74.25	75.25	77.00	78.00	76.4583
Western Colorado	68.95	70.95	71.18	71.20	72.62	71.70	69.94	70.72	72.67	73.65	72.0750

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.