historical financial summary

All financial data should be read in conjunction with the audited Consolidated Financial Statements of the Company contained in the 2006 Annual Financial Report.

Years ended December 31 (millions of C$)	2006¹	2005¹	2004¹	2003	2002	2001	2000	1999	1998	1997

Balance sheets
Total assets	21,461	18,354	12,408	11,780	12,020	11,234	9,037	8,198	5,556	5,195
Income statements
Total revenue	7,944	7,407	4,840	4,598	4,579	4,140	3,989	1,975	1,371	1,430
Total expenses	4,898	4,764	3,909	3,650	3,523	2,886	2,462	1,529	1,751	1,239
Gain on sale of Sudan operations	–	–	–	296	–	–	–	–	–	–
Income (loss) before taxes	3,046	2,643	931	1,244	1,056	1,254	1,527	446	(380)	191
Taxes
Current income tax	752	978	427	229	258	342	334	49	15	38
Future income tax (recovery)	552	127	(143)	(53)	157	60	194	107	(93)	64
Petroleum revenue tax	290	184	128	92	124	149	150	31	20	32
	1,594	1,289	412	268	539	551	678	187	(58)	134
Net income (loss) from
continuing operations	1,452	1,354	519	976	517	703	849	259	(322)	57
Net income from
discontinued operations	553	207	135	–	–	–	–	–	–	–
Net Income (loss)	2,005	1,561	654	976	517	703	849	259	(322)	57

1 Adjusted for discontinued operations.

historical operations summary

Years ended December 31	2006	2005	2004	2003	2002	2001	2000	1999	1998	1997
Daily average production¹
Total oil and liquids (bbls/d)	261,635	249,984	228,434	216,716	272,740	251,014	244,351	158,323	146,749	130,177
Total natural gas (mmcf/d)	1,342	1,319	1,259	1,090	1,036	1,010	988	904	748	658
Total (mboe/d)	485	470	438	398	445	419	409	309	271	240
Production (boe/share) ²	0.162	0.155	0.139	0.125	0.135	0.126	0.121	0.101	0.098	0.089
Proved reserves (boe/share) ²	1.57	1.49	1.32	1.18	1.26	1.24	0.97	0.88	0.83	0.75

¹ Production includes production for continuing and discontinued operations.
²Prior years’ per common share numbers have been adjusted to reflect the three-for-one share split, which was effected in May 2006.