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

North America Crude Oil Marketing - December 2010 Summary East of the Rockies Bulletins 10-E234 to 10-E255, 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	E234 12/01	E235 12/02	E236 12/03	E237 12/06	E238 12/07	E239 12/08	E240 12/09	E241 12/10	E242 12/13	E243 12/14	E244 12/15	E245 12/16	Gvty Adj*
Altamont Yellow Wax	72.75	74.00	75.19	75.38	74.69	74.28	74.37	73.79	74.61	74.28	74.62	73.70	B
Bonito Sour (Onshore)	87.00	88.25	89.50	89.75	89.00	88.50	88.75	88.00	89.00	88.50	89.00	88.00	A
Deepwater Sour (Onshore) (30ï¿½)	84.00	85.25	86.50	86.75	86.00	85.75	85.75	85.25	86.00	85.75	86.00	85.00	F,G
East Texas	83.00	84.25	85.50	85.75	85.00	84.50	84.75	84.00	85.00	84.50	85.00	84.00	none
Eugene Island Sour (Onshore)	87.25	88.50	89.50	89.75	89.00	88.75	88.75	88.25	89.00	88.75	89.00	88.00	A
Heavy Louisiana Sweet (Onshore)	88.75	90.00	91.00	91.25	90.50	90.25	90.25	89.75	90.50	90.25	90.50	89.50	A
Light Louisiana Sweet (Onshore)	89.50	90.75	92.00	92.25	91.50	91.00	91.25	90.50	91.50	91.00	91.50	90.50	A
New Mexico Intermediate	83.25	84.50	85.75	86.00	85.25	84.75	85.00	84.25	85.25	84.75	85.25	84.25	none
New Mexico Sour (34ï¿½)	78.50	79.75	81.00	81.25	80.50	80.00	80.25	79.50	80.50	80.00	80.50	79.50	none
North Texas Sweet	83.25	84.50	85.75	86.00	85.25	84.75	85.00	84.25	85.25	84.75	85.25	84.25	none
Oklahoma Sour	78.50	79.75	81.00	81.25	80.50	80.00	80.25	79.50	80.50	80.00	80.50	79.50	none
Oklahoma Sweet	83.25	84.50	85.75	86.00	85.25	84.75	85.00	84.25	85.25	84.75	85.25	84.25	none
Rocky Mountain Condensate	74.25	75.50	76.69	76.88	76.19	75.78	75.87	75.29	76.11	75.78	75.12	74.20	H
South Texas Light Sweet	81.25	82.50	83.75	84.00	83.25	82.75	83.00	82.25	83.25	82.75	83.25	82.25	none
Southwest Wyoming Sweet	78.50	79.75	80.94	81.13	80.44	80.03	80.12	79.54	80.36	80.03	79.87	78.95	E
Uinta Basin Black Wax	71.75	73.00	74.19	74.38	73.69	73.28	73.37	72.79	73.61	73.28	73.62	72.70	B
West Texas Intermediate	83.25	84.50	85.75	86.00	85.25	84.75	85.00	84.25	85.25	84.75	85.25	84.25	none
West Texas Sour (34ï¿½)	78.50	79.75	81.00	81.25	80.50	80.00	80.25	79.50	80.50	80.00	80.50	79.50	none
Western Colorado	75.00	76.25	77.44	77.63	76.94	76.53	76.62	76.04	76.86	76.53	76.87	75.95	B

East of the Rockies	E246 12/17	E247 12/20	E248 12/21	E249 12/22	E250 12/23	E251 12/27	E252 12/28	E253 12/29	E254 12/30	E255 12/31	Mthly Avg
Altamont Yellow Wax	74.02	74.81	75.82	76.48	77.51	77.00	77.49	77.12	75.84	77.38	75.2794
Bonito Sour (Onshore)	88.25	89.00	90.00	90.75	91.75	91.25	91.75	91.50	90.00	91.75	89.5484
Deepwater Sour (Onshore) (30ï¿½)	85.50	86.25	87.25	87.75	88.75	88.25	88.75	88.50	87.25	88.75	86.6371
East Texas	84.25	85.00	86.25	86.75	87.75	87.25	87.75	87.50	86.25	87.75	85.5645
Eugene Island Sour (Onshore)	88.50	89.25	90.25	90.75	92.00	91.50	92.00	91.50	90.25	91.75	89.7016
Heavy Louisiana Sweet (Onshore)	90.00	90.75	91.75	92.50	93.50	93.00	93.50	93.00	91.75	93.25	91.2097
Light Louisiana Sweet (Onshore)	90.75	91.50	92.50	93.25	94.25	93.75	94.25	94.00	92.50	94.25	92.0484
New Mexico Intermediate	84.50	85.25	86.50	87.00	88.00	87.50	88.00	87.75	86.50	88.00	85.8145
New Mexico Sour (34ï¿½)	79.75	80.50	81.75	82.25	83.25	82.75	83.25	83.00	81.75	83.25	81.0645
North Texas Sweet	84.50	85.25	86.50	87.00	88.00	87.50	88.00	87.75	86.50	88.00	85.8145
Oklahoma Sour	79.75	80.50	81.75	82.25	83.25	82.75	83.25	83.00	81.75	83.25	81.0645
Oklahoma Sweet	84.50	85.25	86.50	87.00	88.00	87.50	88.00	87.75	86.50	88.00	85.8145
Rocky Mountain Condensate	74.52	75.31	76.32	76.98	78.01	77.50	77.99	77.62	76.34	77.88	76.2310
South Texas Light Sweet	82.50	83.25	84.50	85.00	86.00	85.50	86.00	85.75	84.50	86.00	83.8145
Southwest Wyoming Sweet	79.27	80.06	81.07	81.73	82.76	82.25	82.74	82.37	81.09	82.63	80.7552
Uinta Basin Black Wax	73.02	73.81	74.82	75.48	76.51	76.00	76.49	76.12	74.84	76.38	74.2794
West Texas Intermediate	84.50	85.25	86.50	87.00	88.00	87.50	88.00	87.75	86.50	88.00	85.8145
West Texas Sour (34ï¿½)	79.75	80.50	81.75	82.25	83.25	82.75	83.25	83.00	81.75	83.25	81.0645
Western Colorado	76.27	77.06	78.07	78.73	79.76	79.25	79.74	79.37	78.09	79.63	77.5294

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.