Chevron Crude Oil Marketing - North America - September 2011 East of the Rockies Summary

North America Crude Oil Marketing - September 2011 Summary East of the Rockies Bulletins 11-E170 to 11-E190, 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	E170 09/01	E171 09/02	E172 09/06	E173 09/07	E174 09/08	E175 09/09	E176 09/12	E177 09/13	E178 09/14	E179 09/15	E180 09/16	Gvty Adj*
Altamont Yellow Wax	75.93	73.45	73.02	76.34	76.05	74.24	75.19	77.21	75.91	77.40	75.96	B
Bonito Sour (Onshore)	110.75	108.25	107.75	111.00	110.75	109.00	110.00	112.00	110.75	111.25	109.75	A
Deepwater Sour (Onshore) (30ï¿½)	108.00	105.50	105.25	108.50	108.25	106.25	107.25	109.25	108.00	108.50	107.00	F,G
East Texas	85.25	82.75	82.25	85.75	85.25	83.50	84.50	86.50	85.25	85.75	84.25	none
Eugene Island Sour (Onshore)	110.50	108.00	107.75	111.00	110.75	109.00	109.75	111.75	110.50	111.00	109.50	A
Heavy Louisiana Sweet (Onshore)	112.75	110.25	109.75	113.25	113.00	111.00	112.00	114.00	112.75	113.25	111.75	A
Light Louisiana Sweet (Onshore)	110.50	108.00	107.50	111.00	110.75	108.75	109.75	111.75	110.50	111.00	109.50	A
New Mexico Intermediate	85.50	83.00	82.50	86.00	85.50	83.75	84.75	86.75	85.50	86.00	84.50	none
New Mexico Sour (34ï¿½)	80.75	78.25	77.75	81.25	80.75	79.00	80.00	82.00	80.75	81.25	79.75	none
North Texas Sweet	85.50	83.00	82.50	86.00	85.50	83.75	84.75	86.75	85.50	86.00	84.50	none
Oklahoma Sour	80.75	78.25	77.75	81.25	80.75	79.00	80.00	82.00	80.75	81.25	79.75	none
Oklahoma Sweet	85.50	83.00	82.50	86.00	85.50	83.75	84.75	86.75	85.50	86.00	84.50	none
Rocky Mountain Condensate	75.68	73.20	72.77	76.09	75.80	73.99	74.94	76.96	75.66	77.15	75.71	H
South Texas Light Sweet	83.50	81.00	80.50	84.00	83.50	81.75	82.75	84.75	83.50	84.00	82.50	none
Southwest Wyoming Sweet	80.43	77.95	77.52	80.84	80.55	78.74	79.69	81.71	80.41	82.15	80.71	E
Uinta Basin Black Wax	74.93	72.45	72.02	75.34	75.05	73.24	74.19	76.21	74.91	76.40	74.96	B
West Texas Intermediate	85.50	83.00	82.50	86.00	85.50	83.75	84.75	86.75	85.50	86.00	84.50	none
West Texas Sour (34ï¿½)	80.75	78.25	77.75	81.25	80.75	79.00	80.00	82.00	80.75	81.25	79.75	none
Western Colorado	77.43	74.95	74.52	77.84	77.55	75.74	76.69	78.71	77.41	79.40	77.96	B

East of the Rockies	E181 09/19	E182 09/20	E183 09/21	E184 09/22	E185 09/23	E186 09/26	E187 09/27	E188 09/28	E189 09/29	E190 09/30	Mthly Avg
Altamont Yellow Wax	73.70	74.89	73.92	68.51	67.85	68.24	72.45	69.21	70.14	67.20	73.1087
Bonito Sour (Onshore)	107.50	108.50	107.75	102.25	101.50	102.00	106.25	103.00	103.75	101.00	107.3333
Deepwater Sour (Onshore) (30ï¿½)	104.75	106.00	105.00	99.75	99.00	99.25	103.50	100.25	101.25	98.25	104.6583
East Texas	82.00	83.25	82.25	76.75	76.25	76.50	80.75	77.50	78.50	75.50	81.8833
Eugene Island Sour (Onshore)	107.25	108.50	107.50	102.25	101.50	102.00	106.00	102.75	103.75	100.75	107.1917
Heavy Louisiana Sweet (Onshore)	109.50	110.75	109.75	104.25	103.75	104.00	108.25	105.00	106.00	103.00	109.3917
Light Louisiana Sweet (Onshore)	107.25	108.50	107.50	102.00	101.50	101.75	106.00	102.75	103.75	100.75	107.1417
New Mexico Intermediate	82.25	83.50	82.50	77.00	76.50	76.75	81.00	77.75	78.75	75.75	82.1333
New Mexico Sour (34ï¿½)	77.50	78.75	77.75	72.25	71.75	72.00	76.25	73.00	74.00	71.00	77.3833
North Texas Sweet	82.25	83.50	82.50	77.00	76.50	76.75	81.00	77.75	78.75	75.75	82.1333
Oklahoma Sour	77.50	78.75	77.75	72.25	71.75	72.00	76.25	73.00	74.00	71.00	77.3833
Oklahoma Sweet	82.25	83.50	82.50	77.00	76.50	76.75	81.00	77.75	78.75	75.75	82.1333
Rocky Mountain Condensate	73.45	74.64	73.67	68.26	67.60	67.99	72.20	68.96	69.89	66.95	72.8587
South Texas Light Sweet	80.25	81.50	80.50	75.00	74.50	74.75	79.00	75.75	76.75	73.75	80.1333
Southwest Wyoming Sweet	78.45	79.64	78.67	73.26	72.60	72.99	77.20	73.96	74.89	71.95	77.7420
Uinta Basin Black Wax	72.70	73.89	72.92	67.51	66.85	67.24	71.45	68.21	69.14	66.20	72.1087
West Texas Intermediate	82.25	83.50	82.50	77.00	76.50	76.75	81.00	77.75	78.75	75.75	82.1333
West Texas Sour (34ï¿½)	77.50	78.75	77.75	72.25	71.75	72.00	76.25	73.00	74.00	71.00	77.3833
Western Colorado	75.70	76.89	75.92	70.51	69.85	70.24	74.45	71.21	72.14	69.20	74.8753

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.