North America Crude Oil Marketing - August 2013 Summary East of the Rockies Bulletins 13-E147 to 13-E168, 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	E147 08/01	E148 08/02	E149 08/05	E150 08/06	E151 08/07	E152 08/08	E153 08/09	E154 08/12	E155 08/13	E156 08/14	E157 08/15	E158 08/16	Gvty Adj*
Altamont Yellow Wax	92.39	91.44	91.06	89.8	88.87	87.9	90.47	90.61	91.33	91.35	91.83	91.96
Rocky Mountain Condensate	96.89	95.94	95.56	94.3	93.37	92.4	94.97	95.11	95.83	95.85	96.33	96.46
Southwest Wyoming Sweet	100.39	99.44	99.06	97.8	96.87	95.9	98.47	98.61	99.33	99.35	99.83	99.96
Uinta Basin Black Wax	91.39	90.44	90.06	88.8	87.87	86.9	89.47	89.61	90.33	90.35	90.83	90.96
Western Colorado	97.89	96.94	96.56	95.3	94.37	93.4	95.97	96.11	96.83	96.85	97.33	97.46

East of the Rockies	E159 08/19	E160 08/20	E161 08/21	E162 08/22	E163 08/23	E164 08/26	E165 08/27	E166 08/28	E167 08/29	E168 08/30		Gvty Adj*	Mthly Avg
Altamont Yellow Wax	91.6	89.46	88.35	89.53	90.92	90.42	93.51	94.6	93.3	92.15			91.1155
Rocky Mountain Condensate	96.1	93.96	92.85	94.03	95.42	94.92	98.01	99.1	97.8	96.65			95.6155
Southwest Wyoming Sweet	99.6	97.46	96.35	97.53	98.92	98.42	101.51	102.6	101.3	100.15			99.1155
Uinta Basin Black Wax	90.6	88.46	87.35	88.53	89.92	89.42	92.51	93.6	92.3	91.15			90.1155
Western Colorado	97.1	94.96	93.85	95.03	96.42	95.92	99.01	100.1	98.8	97.65			96.6155

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.