(Net of Royalities) - US$		2004	2003	2002
North America	Oil and Liquids (US$/bbl)
	Sales Price	32.44	25.64	20.96
	Hedging(gain)	5.81	2.21	0.04
	Transportation	0.48	0.44	0.31
	Operating costs	6.55	5.67	4.48
		19.60	17.32	16.13
	Natural Gas(US$/mcf)
	Sales Price	5.26	4.74	2.70
	Hedging(gain)	0.10	0.10	(0.22)
	Transportation	0.19	0.19	0.18
	Operating costs	0.76	0.68	0.56
		4.21	3.77	2.18
North Sea	Oil and Liquids (US$/bbl)
	Sales Price	37.23	28.35	24.68
	Hedging(gain)	5.77	1.43	0.08
	Transportation	0.89	0.83	0.82
	Operating costs	10.28	8.19	6.56
		20.29	17.90	17.22
	Natural Gas(US$/mcf)
	Sales Price	4.29	3.41	2.68
	Hedging(gain)	-	-	-
	Transportation	0.29	0.28	0.33
	Operating costs	0.47	0.28	0.31
		3.53	2.85	2.04
Southeast Asia	Oil and Liquids (US$/bbl)
	Sales Price	39.49	29.66	25.80
	Hedging(gain)	-	2.78	0.06
	Transportation	0.30	0.48	0.84
	Operating costs	7.32	8.48	7.92
		31.87	17.92	16.98
	Natural Gas(US$/mcf)
	Sales Price	3.65	4.12	3.63
	Hedging(gain)	-	-	-
	Transportation	0.42	0.59	0.62
	Operating costs	0.27	0.38	0.40
		2.96	3.15	2.61
Algeria	Oil(US$/bbl)
	Sales Price	39.48	27.84	-
	Hedging(gain)	-	3.13	-
	Transportation	2.20	2.55	-
	Operating costs	4.41	7.06	-
		32.87	15.10	-
Sudan	Oil(US$/bbl)
	Sales Price	-	31.33	24.06
	Hedging(gain)	-	-	0.08
	Operating costs	-	4.96	4.02
		-	26.37	19.96
Total Company	Oil and Liquids (US$/bbl)
	Sales Price	36.57	27.90	23.85
	Hedging(gain)	4.90	1.71	0.07
	Transportation	0.79	0.70	0.58
	Operating costs	8.87	7.46	5.78
		22.01	18.03	17.42
	Natural Gas(US$/mcf)
	Sales Price	4.84	4.50	2.80
	Hedging(gain)	0.07	0.07	(0.17)
	Transportation	0.25	0.25	0.25
	Operating costs	0.63	0.59	0.51
		3.89	3.59	2.21

Netbacks do not include synthetic oil or pipeline operations.