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Date	Form	Description	View
5/6/2005	4	Statement of Changes in Beneficial Ownership for NIKKEL JOHN G
5/6/2005	4	Statement of Changes in Beneficial Ownership for WILLIAMS JOHN H
5/6/2005	4	Statement of Changes in Beneficial Ownership for MORGAN WILLIAM B
5/6/2005	4	Statement of Changes in Beneficial Ownership for KIRCHNER KING P
5/6/2005	4	Statement of Changes in Beneficial Ownership for MONROE MARK E
5/6/2005	4	Statement of Changes in Beneficial Ownership for COOK DON
5/6/2005	4	Statement of Changes in Beneficial Ownership for ADCOCK J MICHAEL
5/3/2005	10-Q	Quarterly Report
5/3/2005	8-K	Current Report
4/1/2005	ARS	Annual Report to Security Holders
3/24/2005	SC 13G/A	Amended Statement of Ownership
3/23/2005	DEF 14A	Proxy Statement (definitive)
3/15/2005	10-K	Annual Report
3/11/2005	4	Statement of Changes in Beneficial Ownership for MORGAN WILLIAM B
3/9/2005	4	Statement of Changes in Beneficial Ownership for GEORGE KAISER FAMILY FOUNDATION
3/8/2005	4	Statement of Changes in Beneficial Ownership for SCHELL MARK E
3/4/2005	4	Statement of Changes in Beneficial Ownership for ADCOCK J MICHAEL
3/3/2005	4	Statement of Changes in Beneficial Ownership for ADCOCK J MICHAEL
3/3/2005	4	Statement of Changes in Beneficial Ownership for NIKKEL JOHN G
3/2/2005	4	Statement of Changes in Beneficial Ownership for ADCOCK J MICHAEL

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