North America Crude Oil Marketing - October 2009 Summary East of the Rockies Bulletins 09-E193 to 09-E214, 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	E193 10/01	E194 10/02	E195 10/05	E196 10/06	E196 10/07	E198 10/08	E199 10/09	E200 10/12	E201 10/13	E202 10/14	E203 10/15	E204 10/16	Gvty Adj*
Altamont Yellow Wax	61.32	60.45	60.91	61.38	60.07	62.19	62.27	63.77	64.65	65.68	68.58	69.53	B
Bonito Sour (Onshore)	68.75	68.00	68.50	69.00	67.50	69.75	69.75	71.25	72.25	73.25	75.75	76.50	A
Deepwater Sour (Onshore) (30�)	66.75	65.75	66.25	66.75	65.50	67.50	67.75	69.25	70.00	71.00	73.50	74.50	F,G
East Texas	67.25	66.25	67.75	67.25	66.00	68.00	68.25	69.75	70.50	71.50	74.00	75.00	none
Eugene Island Sour (Onshore)	68.75	68.00	68.50	68.75	67.50	69.75	69.75	71.25	72.25	73.25	75.50	76.50	A
Heavy Louisiana Sweet (Onshore)	70.50	69.50	70.00	70.50	69.25	71.25	71.50	73.00	73.75	74.75	77.25	78.25	A
Light Louisiana Sweet (Onshore)	71.00	70.00	70.50	71.00	69.75	71.75	71.75	73.25	74.25	75.25	77.75	78.50	A
New Mexico Intermediate	67.50	66.50	67.00	67.50	66.25	68.25	68.50	70.00	70.75	71.75	74.25	75.25	none
New Mexico Sour (34�)	62.75	61.75	62.25	62.75	61.50	63.50	63.75	65.25	66.00	67.00	69.50	70.50	none
North Texas Sweet	67.50	66.50	67.00	67.50	66.25	68.25	68.50	70.00	70.75	71.75	74.25	75.25	none
Oklahoma Sour	62.75	61.75	62.25	62.75	61.50	63.50	63.75	65.25	66.00	67.00	69.50	70.50	none
Oklahoma Sweet	67.50	66.50	67.00	67.50	66.25	68.25	68.50	70.00	70.75	71.75	74.25	75.25	none
Rocky Mountain Condensate	55.82	54.95	55.41	55.88	54.57	56.69	56.77	58.27	59.15	60.18	62.58	63.53	H
South Texas Light Sweet	65.50	64.50	65.00	65.50	64.25	66.25	66.50	68.00	68.75	69.75	72.25	73.25	none
Southwest Wyoming Sweet	62.57	61.70	62.16	62.63	61.32	63.44	63.52	65.02	65.90	66.93	69.33	70.28	E
Uinta Basin Black Wax	60.32	59.45	59.91	60.38	59.07	61.19	61.27	62.77	63.65	64.68	67.58	68.53	B
West Texas Intermediate	67.50	66.50	67.00	67.50	66.25	68.25	68.50	70.00	70.75	71.75	74.25	75.25	none
West Texas Sour (34�)	62.75	61.75	62.25	62.75	61.50	63.50	63.75	65.25	66.00	67.00	69.50	70.50	none
Western Colorado	60.82	59.95	60.41	60.88	59.57	61.69	61.77	63.27	64.15	65.18	67.33	68.28	B

East of the Rockies	E205 10/19	E206 10/20	E207 10/21	E208 10/22	E209 10/23	E210 10/26	E211 10/27	E212 10/28	E213 10/29	E214 10/30		Gvty Adj*	Mthly Avg
Altamont Yellow Wax	70.61	70.09	72.37	72.19	71.50	69.68	70.55	68.46	70.87	68.00			66.4716
Bonito Sour (Onshore)	77.75	77.25	79.50	79.25	78.50	76.75	77.50	75.50	78.00	75.00			73.7339
Deepwater Sour (Onshore) (30�)	75.50	75.00	77.25	77.00	76.25	74.50	75.50	73.25	75.75	72.75			71.5645
East Texas	76.00	75.50	77.75	77.50	77.00	75.00	76.00	74.00	76.25	73.50			72.1452
Eugene Island Sour (Onshore)	77.50	77.00	79.25	79.25	78.50	76.75	77.50	75.50	77.75	75.00			73.6855
Heavy Louisiana Sweet (Onshore)	79.25	78.75	81.00	80.75	80.00	78.25	79.25	77.00	79.50	76.50			75.3145
Light Louisiana Sweet (Onshore)	79.75	79.25	81.50	81.25	80.50	78.75	79.75	77.50	80.00	77.00			75.7581
New Mexico Intermediate	76.25	75.75	78.00	77.75	77.25	75.25	76.25	74.25	76.50	73.75			72.3629
New Mexico Sour (34�)	71.50	71.00	73.25	73.00	72.50	70.50	71.50	69.50	71.75	69.00			67.6129
North Texas Sweet	76.25	75.75	78.00	77.75	77.25	75.25	76.25	74.25	76.50	73.75			72.3629
Oklahoma Sour	71.50	71.00	73.25	73.00	72.50	70.50	71.50	69.50	71.75	69.00			67.6129
Oklahoma Sweet	76.25	75.75	78.00	77.75	77.25	75.25	76.25	74.25	76.50	73.75			72.3629
Rocky Mountain Condensate	64.61	64.09	66.37	66.19	65.50	63.68	64.55	62.46	64.87	62.00			60.6974
South Texas Light Sweet	74.25	73.75	76.00	75.75	75.25	73.25	74.25	72.25	74.50	71.75			70.3629
Southwest Wyoming Sweet	71.36	70.84	73.12	72.94	72.25	70.43	71.30	69.21	71.62	68.75			67.4474
Uinta Basin Black Wax	69.61	69.09	71.37	71.19	70.50	68.68	69.55	67.46	69.87	67.00			65.4716
West Texas Intermediate	76.25	75.75	78.00	77.75	77.25	75.25	76.25	74.25	76.50	73.75			72.3629
West Texas Sour (34�)	71.50	71.00	73.25	73.00	72.50	70.50	71.50	69.50	71.75	69.00			67.6129
Western Colorado	69.36	68.84	71.12	70.94	70.25	68.43	69.30	67.21	69.62	66.75			65.5603

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.