North America Crude Oil Marketing - August 2017 Summary California Bulletins 17-CA146 to 17-CA168, with Monthly Averages

Chevron has changed its posted prices as shown below: Effective 7:00 AM on the above listed effective date, subject to change without notice, Chevron will pay the following prices per barrel for crude oil and condensate delivered for its account into the custody of its authorized carrier or receiving agent. Prices are subject to deduction for transportation and other charges where applicable. Prices for oil apply to quantities measured by approved automatic custody transfer facilities or 100% tank table with customary adjustment of volume and gravity for temperature and full deduction for sediment and water.

* Prices are subject to a Gravity Adjustment Scale

California	API	CA146 08/01	CA147 08/02	CA148 08/03	CA149 08/04	CA150 08/07	CA151 08/08	CA152 08/09	CA153 08/10	CA154 08/11	CA155 08/14	CA156 08/15	CA157 08/16
Buena Vista Hills		51.62	52.05	51.99	52.54	52.60	52.38	52.77	52.05	52.28	51.05	51.01	50.74
Midway Sunset		47.07	47.50	47.44	47.99	48.05	47.83	48.22	47.50	47.73	46.50	46.46	46.19
Gravity Adjustment		Price Adjustment $/bbl/Tenth°API
Above 40.0°API		0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000
34.0° to 40.0°API		0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100
Below 34.0°API		0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350

California	API	CA159 08/18	CA160 08/21	CA161 08/22	CA162 08/23	CA163 08/24	CA164 08/25	CA165 08/28	CA166 08/29	CA167 08/30	CA168 08/31		Mthly Avg
Buena Vista Hills		50.89	52.33	52.60	53.37	52.39	52.83	51.53	51.40	50.92	52.19		52.0203
Midway Sunset		46.34	47.78	48.05	48.82	47.84	48.28	46.98	46.85	46.37	47.64		47.4703
Gravity Adjustment		Price Adjustment $/bbl/Tenth°API
Above 40.0°API		0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000		0.0000
34.0° to 40.0°API		0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100	0.0100		0.0100
Below 34.0°API		0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350	0.0350		0.0350

Note: Prices in $/bbl

Measurement The prices are based upon computation of quantities by mutually acceptable automatic measuring equipment in accordance with the latest ASTM Standards and API Manual of Petroleum Measurement Standards (MPMS) generally accepted in the petroleum industry with deductions for full sediment, water and other impurities.