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

North America Crude Oil Marketing - February 2006 Summary East of the Rockies Bulletins 06-E22 to 06-E41, 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	E22 02/01	E23 02/02	E24 02/03	E25 02/06	E26 02/07	E27 02/08	E28 02/09	E29 02/10	E30 02/13	E31 02/14	E32 02/15	Gvty Adj*
Altamont Yellow Wax	64.56	62.68	63.37	63.11	61.09	60.55	60.62	59.84	59.24	57.57	55.65	B
Bonito Sour (Onshore)	62.50	60.75	61.25	61.00	59.00	58.50	58.50	57.75	57.25	55.50	53.50	A
Deepwater Sour (Onshore) (30ï¿½)	58.75	56.75	57.50	57.25	55.25	54.75	54.75	54.00	53.25	51.75	49.75	F,G
East Texas	63.00	61.25	61.75	61.50	59.50	59.00	59.00	58.25	57.75	56.00	54.00	none
Eugene Island Sour (Onshore)	62.25	60.25	61.00	60.75	58.75	58.25	58.25	57.50	57.00	55.25	53.25	A
Heavy Louisiana Sweet (Onshore)	62.50	60.50	61.25	61.00	59.00	58.25	58.50	57.75	57.00	55.50	53.50	A
Light Louisiana Sweet (Onshore)	66.25	64.25	65.00	64.75	62.75	62.25	62.25	61.50	60.75	59.25	57.25	A
New Mexico Intermediate	63.25	61.50	62.00	61.75	59.75	59.25	59.25	58.50	58.00	56.25	54.25	none
New Mexico Sour (34ï¿½)	58.50	56.75	57.25	57.00	55.00	54.50	54.50	53.75	53.25	51.50	49.50	none
North Texas Sweet	63.25	61.50	62.00	61.75	59.75	59.25	59.25	58.50	58.00	56.25	54.25	none
Oklahoma Sour	60.21	58.33	59.02	58.76	56.74	56.20	56.27	55.49	54.89	53.22	51.30	none
Oklahoma Sweet	65.86	63.98	64.67	64.41	62.39	61.85	61.92	61.14	60.54	58.87	56.95	none
South Texas Light Sweet	61.25	59.50	60.00	59.75	57.75	57.25	57.25	56.50	56.00	54.25	52.25	none
Southwest Wyoming Sweet	67.31	65.43	66.12	65.86	63.84	63.30	63.37	62.59	61.99	60.32	58.40	E
Uinta Basin Black Wax	58.56	56.68	57.37	57.11	55.09	54.55	54.62	53.84	53.24	51.57	49.65	B
West Texas Intermediate	63.25	61.50	62.00	61.75	59.75	59.25	59.25	58.50	58.00	56.25	54.25	none
West Texas Sour (34ï¿½)	58.50	56.75	57.25	57.00	55.00	54.50	54.50	53.75	53.25	51.50	49.50	none
Western Colorado	67.05	65.17	65.86	65.60	63.58	63.04	63.11	62.33	61.73	60.06	58.14	B

East of the Rockies	E33 02/16	E34 02/17	E35 02/20	E36 02/21	E37 02/22	E38 02/23	E39 02/24	E40 02/27	E41 02/28	Mthly Avg
Altamont Yellow Wax	56.46	57.88	57.88	59.10	59.01	58.54	60.91	59.00	59.41	60.0168
Bonito Sour (Onshore)	54.50	55.75	55.75	57.00	57.00	56.50	59.00	57.00	57.50	57.9643
Deepwater Sour (Onshore) (30ï¿½)	50.50	52.00	52.00	53.25	53.25	52.75	55.00	53.25	53.50	54.1518
East Texas	55.00	56.25	56.25	57.50	57.50	57.00	59.25	57.50	57.75	58.4286
Eugene Island Sour (Onshore)	54.00	55.50	55.50	56.75	56.75	56.25	58.50	56.75	57.00	57.6607
Heavy Louisiana Sweet (Onshore)	54.25	55.75	55.75	57.00	56.75	56.25	58.75	56.75	57.25	57.8661
Light Louisiana Sweet (Onshore)	58.00	59.50	59.50	60.75	60.50	60.25	62.50	60.50	61.00	61.6339
New Mexico Intermediate	55.25	56.50	56.50	57.75	57.75	57.25	59.50	57.75	58.00	58.6786
New Mexico Sour (34ï¿½)	50.50	51.75	51.75	53.00	53.00	52.50	54.75	53.00	53.25	53.9286
North Texas Sweet	55.25	56.50	56.50	57.75	57.75	57.25	59.50	57.75	58.00	58.6786
Oklahoma Sour	52.11	53.53	53.53	54.75	54.66	54.19	56.56	54.65	55.06	55.6668
Oklahoma Sweet	57.76	59.18	59.18	60.40	60.31	59.84	62.21	60.30	60.71	61.3168
South Texas Light Sweet	53.25	54.50	54.50	55.75	55.75	55.25	57.50	55.75	56.00	56.6786
Southwest Wyoming Sweet	59.21	60.63	60.63	61.85	61.76	61.29	63.66	61.75	62.16	62.7668
Uinta Basin Black Wax	50.46	51.88	51.88	53.10	53.01	52.54	54.91	53.00	53.41	54.0168
West Texas Intermediate	55.25	56.50	56.50	57.75	57.75	57.25	59.50	57.75	58.00	58.6786
West Texas Sour (34ï¿½)	50.50	51.75	51.75	53.00	53.00	52.50	54.75	53.00	53.25	53.9286
Western Colorado	58.95	60.37	60.37	61.59	61.50	61.03	63.40	61.49	61.90	62.5068

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.