North America Crude Oil Marketing - February 2013 Summary East of the Rockies Bulletins 13-E22 to 13-E40, 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 02/04	E24 02/05	E25 02/06	E26 02/07	E27 02/08	E28 02/11	E29 02/12	E30 02/13	E31 02/14	Gvty Adj*
Altamont Yellow Wax	83.27	81.67	82.14	82.12	81.33	81.22	82.53	83.01	82.51	82.81
Rocky Mountain Condensate	86.77	85.17	85.64	85.62	84.83	84.72	86.03	86.51	86.01	86.31
Southwest Wyoming Sweet	90.27	88.67	89.14	89.12	88.33	88.22	89.53	90.01	89.51	89.81
Uinta Basin Black Wax	82.27	80.67	81.14	81.12	80.33	80.22	81.53	82.01	81.51	81.81
Western Colorado	87.77	86.17	86.64	86.62	85.83	85.72	87.03	87.51	87.01	87.31

East of the Rockies	E32 02/15	E33 02/19	E34 02/20	E35 02/21	E36 02/22	E37 02/25	E38 02/26	E39 02/27	E40 02/28	Gvty Adj*	Mthly Avg
Altamont Yellow Wax	81.36	82.16	79.96	78.34	78.63	78.61	78.13	78.26	77.55		80.9261
Rocky Mountain Condensate	84.86	85.66	83.46	81.84	82.13	82.11	81.63	81.76	81.05		84.4261
Southwest Wyoming Sweet	88.36	89.16	86.96	85.34	85.63	85.61	85.13	85.26	84.55		87.9261
Uinta Basin Black Wax	80.36	81.16	78.96	77.34	77.63	77.61	77.13	77.26	76.55		79.9261
Western Colorado	85.86	86.66	84.46	82.84	83.13	83.11	82.63	82.76	82.05		85.4261

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.