ONEOK's Energy Services operation focuses primarily on marketing natural gas and related services throughout the U.S. and into Canada. We offer premium, no-notice services to our customers, which are primarily local distribution companies. Energy Services derives a majority of its earnings from the physical marketing business and recorded an operating income of $205.4 million in 2007. Energy Services’ retail business participates in customer gas choice programs in Nebraska and Wyoming.

Statistics

• 96 Bcf of leased storage capacity
• 2.4 Bcf/d of storage withdrawal rights
• 1.6 Bcf/d of storage injection rights
• 1.8 Bcf/d of leased transportation capacity

Results (For The Year Ended Dec. 31)	2007	2006	2005
Energy and power revenues ($000)	$6,639,884	$6,328,893	$8,345,091
Energy trading revenues, net ($000)	$(10,613)	$ 6,797	$ 12,680
Natural gas marketed (Bcf)	1,191	1,132	1,191
Operating income ($000)	$ 205,355	$ 229,205	$ 165,570