North America Crude Oil Marketing - June 2010 Summary California Bulletins 10-CA103 to 10-CA124, 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	CA103 06/01	CA104 06/02	CA105 06/03	CA106 06/04	CA107 06/07	CA108 06/08	CA109 06/09	CA110 06/10	CA111 06/11	CA112 06/14	CA113 06/15	CA114 06/16
Buena Vista Hills		70.35	71.15	72.90	69.80	69.75	70.30	72.80	73.90	72.30	73.65	75.55	76.30
Coalinga		65.30	66.10	67.85	64.75	64.70	65.25	67.75	68.85	67.25	68.60	70.50	71.25
Huntington Beach		64.30	65.10	66.85	63.75	63.70	64.25	66.75	67.85	66.25	67.60	69.50	70.25
Kettleman Hills		73.65	74.45	76.20	73.10	73.05	73.60	76.10	77.20	75.60	76.95	78.85	79.60
Lost Hills		72.00	72.80	74.55	71.45	71.40	71.95	74.45	75.55	73.95	75.30	77.20	77.95
McKittrick		64.55	65.35	67.10	64.00	63.95	64.50	67.00	68.10	66.50	67.85	69.75	70.50
Midway Sunset		64.55	65.35	67.10	64.00	63.95	64.50	67.00	68.10	66.50	67.85	69.75	70.50
Seal Beach		68.85	69.65	71.40	68.30	68.25	68.80	71.30	72.40	70.80	72.15	74.05	74.80

California	API	CA115 06/17	CA116 06/18	CA117 06/21	CA118 06/22	CA119 06/23	CA120 06/24	CA121 06/25	CA122 06/28	CA123 06/29	CA124 06/30		Mthly Avg
Buena Vista Hills		75.50	75.90	76.65	76.05	75.30	75.45	77.80	77.45	75.15	75.10		74.0233
Coalinga		70.45	70.85	71.60	71.00	70.25	70.40	72.75	72.40	70.10	70.05		68.9733
Huntington Beach		69.45	69.85	70.60	70.00	69.25	69.40	71.75	71.40	69.10	69.05		67.9733
Kettleman Hills		78.80	79.20	79.95	79.35	78.60	78.75	81.10	80.75	78.45	78.40		77.3233
Lost Hills		77.15	77.55	78.30	77.70	76.95	77.10	79.45	79.10	76.80	76.75		75.6733
McKittrick		69.70	70.10	70.85	70.25	69.50	69.65	72.00	71.65	69.35	69.30		68.2233
Midway Sunset		69.70	70.10	70.85	70.25	69.50	69.65	72.00	71.65	69.35	69.30		68.2233
Seal Beach		74.00	74.40	75.15	74.55	73.80	73.95	76.30	75.95	73.65	73.60		72.5233

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.