North America Crude Oil Marketing - June 2008 Summary California Bulletins 08-CA105 to 08-CA125, 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	CA105 06/02	CA106 06/03	CA107 06/04	CA108 06/05	CA109 06/06	CA110 06/09	CA111 06/10	CA112 06/11	CA113 06/12	CA114 06/13	CA115 06/16
Buena Vista Hills		120.25	116.75	114.80	120.05	130.70	126.50	123.20	128.30	128.65	126.80	126.55
Coalinga		114.80	111.30	109.35	114.60	125.25	121.05	117.75	122.85	123.20	121.35	121.10
Huntington Beach		116.40	112.90	110.95	116.20	126.85	122.65	119.35	124.45	124.80	122.95	122.70
Kettleman Hills		123.80	120.30	118.35	123.60	134.25	130.05	126.75	131.85	132.20	130.35	130.10
Lost Hills		122.00	118.50	116.55	121.80	132.45	128.25	124.95	130.05	130.40	128.55	128.30
McKittrick		114.05	110.55	108.60	113.85	124.50	120.30	117.00	122.10	122.45	120.60	120.35
Midway Sunset		114.05	110.55	108.60	113.85	124.50	120.30	117.00	122.10	122.45	120.60	120.35
Seal Beach		121.30	117.80	115.85	121.10	131.75	127.55	124.25	129.35	129.70	127.85	127.60

California	API	CA116 06/17	CA117 06/18	CA118 06/19	CA119 06/20	CA120 06/23	CA121 06/24	CA122 06/25	CA123 06/26	CA124 06/27	CA125 06/30	Mthly Avg
Buena Vista Hills		125.95	128.55	123.80	126.50	128.65	128.95	126.50	131.65	132.20	132.05	126.6567
Coalinga		120.50	123.10	118.35	121.05	123.20	123.50	121.05	126.20	126.75	126.60	121.2067
Huntington Beach		122.10	124.70	119.95	122.65	124.80	125.10	122.65	127.80	128.35	128.20	122.8067
Kettleman Hills		129.50	132.10	127.35	130.05	132.20	132.50	130.05	135.20	135.75	135.60	130.2067
Lost Hills		127.70	130.30	125.55	128.25	130.40	130.70	128.25	133.40	133.95	133.80	128.4067
McKittrick		119.75	122.35	117.60	120.30	122.45	122.75	120.30	125.45	126.00	125.85	120.4567
Midway Sunset		119.75	122.35	117.60	120.30	122.45	122.75	120.30	125.45	126.00	125.85	120.4567
Seal Beach		127.00	129.60	124.85	127.55	129.70	130.00	127.55	132.70	133.25	133.10	127.7067

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.