Chevron Crude Oil Marketing - North America - April 2006 East of the Rockies Summary

North America Crude Oil Marketing - April 2006 Summary East of the Rockies Bulletins 06-E65 to 06-E84, 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	E65 04/01	E66 04/03	E67 04/04	E68 04/05	E69 04/06	E70 04/07	E71 04/10	E72 04/11	E73 04/12	E74 04/13	E75 04/17	Gvty Adj*
Altamont Yellow Wax	64.13	64.24	63.73	64.57	65.44	64.89	66.24	66.48	66.12	66.82	67.90	B
Bonito Sour (Onshore)	62.25	62.25	61.75	62.50	63.50	63.00	64.25	64.50	64.25	64.75	66.00	A
Deepwater Sour (Onshore) (30ï¿½)	56.50	56.75	56.00	57.00	57.75	57.25	58.75	58.75	58.50	59.25	60.25	F,G
East Texas	63.00	63.25	62.75	63.50	64.25	63.75	65.25	65.50	65.00	65.75	66.75	none
Eugene Island Sour (Onshore)	62.00	62.00	61.50	62.50	63.25	62.75	64.00	64.25	64.00	64.75	65.75	A
Heavy Louisiana Sweet (Onshore)	65.00	65.25	64.75	65.50	66.50	65.75	67.25	67.50	67.00	67.75	69.00	A
Light Louisiana Sweet (Onshore)	66.00	66.00	65.50	66.50	67.25	66.75	68.00	68.25	68.00	68.75	69.75	A
New Mexico Intermediate	63.25	63.50	63.00	63.75	64.50	64.00	65.50	65.75	65.25	66.00	67.00	none
New Mexico Sour (34ï¿½)	58.50	58.75	58.25	59.00	59.75	59.25	60.75	61.00	60.50	61.25	62.25	none
North Texas Sweet	63.25	63.50	63.00	63.75	64.50	64.00	65.50	65.75	65.25	66.00	67.00	none
Oklahoma Sour	58.87	58.98	58.47	59.31	60.18	59.63	60.98	61.22	60.86	61.56	62.64	none
Oklahoma Sweet	64.78	64.89	64.38	65.22	66.09	65.54	66.89	67.13	66.77	67.47	68.55	none
South Texas Light Sweet	61.25	61.50	61.00	61.75	62.50	62.00	63.50	63.75	63.25	64.00	65.00	none
Southwest Wyoming Sweet	67.38	67.49	66.98	67.82	68.69	68.14	69.49	69.73	69.37	70.07	71.15	E
Uinta Basin Black Wax	57.63	57.74	57.23	58.07	58.94	58.39	59.74	59.98	59.62	60.32	61.40	B
West Texas Intermediate	63.25	63.50	63.00	63.75	64.50	64.00	65.50	65.75	65.25	66.00	67.00	none
West Texas Sour (34ï¿½)	58.50	58.75	58.25	59.00	59.75	59.25	60.75	61.00	60.50	61.25	62.25	none
Western Colorado	61.63	61.74	61.23	62.07	62.94	62.39	63.74	63.98	63.62	64.32	65.40	B

East of the Rockies	E76 04/18	E77 04/19	E78 04/20	E79 04/21	E80 04/24	E81 04/25	E82 04/26	E83 04/27	E84 04/28	Mthly Avg
Altamont Yellow Wax	68.85	69.67	69.45	72.67	70.83	70.38	69.43	68.47	69.38	67.6053
Bonito Sour (Onshore)	67.00	67.75	67.50	70.75	68.75	68.50	67.50	66.50	67.50	65.6583
Deepwater Sour (Onshore) (30ï¿½)	61.25	62.00	61.75	65.00	63.25	62.75	61.75	60.75	61.75	59.9750
East Texas	67.75	68.50	68.25	71.50	69.75	69.25	68.25	67.50	68.25	66.5000
Eugene Island Sour (Onshore)	66.75	67.50	67.25	70.50	68.75	68.25	67.25	66.25	67.25	65.4583
Heavy Louisiana Sweet (Onshore)	69.75	70.75	70.50	73.75	71.75	71.25	70.50	69.50	70.25	68.5667
Light Louisiana Sweet (Onshore)	70.75	71.50	71.25	74.50	72.75	72.25	71.25	70.25	71.25	69.4583
New Mexico Intermediate	68.00	68.75	68.50	71.75	70.00	69.50	68.50	67.75	68.50	66.7500
New Mexico Sour (34ï¿½)	63.25	64.00	63.75	67.00	65.25	64.75	63.75	63.00	63.75	62.0000
North Texas Sweet	68.00	68.75	68.50	71.75	70.00	69.50	68.50	67.75	68.50	66.7500
Oklahoma Sour	63.59	64.41	64.19	67.41	65.57	65.12	64.17	63.21	64.12	62.3453
Oklahoma Sweet	69.50	70.32	70.10	73.32	71.48	71.03	70.08	69.12	70.03	68.2553
South Texas Light Sweet	66.00	66.75	66.50	69.75	68.00	67.50	66.50	65.75	66.50	64.7500
Southwest Wyoming Sweet	72.10	72.92	72.70	75.92	74.08	73.63	72.68	71.72	72.63	70.8553
Uinta Basin Black Wax	62.35	63.17	62.95	66.17	64.33	63.88	62.93	61.97	62.88	61.1053
West Texas Intermediate	68.00	68.75	68.50	71.75	70.00	69.50	68.50	67.75	68.50	66.7500
West Texas Sour (34ï¿½)	63.25	64.00	63.75	67.00	65.25	64.75	63.75	63.00	63.75	62.0000
Western Colorado	66.35	67.17	66.95	70.17	68.33	67.88	66.93	65.97	66.88	65.1053

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.