EXHIBIT I
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DATE PURCHASER PURCHASE PRICE SELLER NAME ASSET DESCRIPTION ASSET LOCATION
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10/15/99 Whiting Petroleum Corporation 1,890,261 Force Energy Inc. Gas Wells Michigan
11/15/99 Whiting Petroleum Corporation 16,057,312 Collins and Ware Inc. Oil Wells North Dakota
12/07/99 Whiting Petroleum Corporation 236,549 Delta Oil Company Gas Wells Michigan
12/31/99 Whiting Petroleum Corporation 425,000 BWAB Incorporated Oil Wells North Dakota
01/04/00 Whiting Petroleum Corporation 6,603,763 Williams Corporation Oil Wells North Dakota
01/11/00 Whiting Petroleum Corporation 4,219,370 Delta Oil Company Gas Wells Michigan
01/27/00 Whiting Petroleum Corporation 392,500 Force Energy Inc. Gas Wells Michigan
02/10/00 Whiting Petroleum Corporation 285,819 Cheaspeake Energy Corp Oil Wells North Dakota
02/17/00 Whiting Petroleum Corporation 38,000 Phillips Petroleum Company Oil Wells Texas
03/20/00 Whiting Petroleum Corporation 17,512,875 Duncan Oil Partners Oil Wells North Dakota
03/30/00 Whiting Petroleum Corporation 7,307,578 Petromark Energy L.L.C. Gas Wells Oklahoma
04/12/00 Whiting Petroleum Corporation 4,362,010 Soverign Energy L.L.C. Oil Wells Colorado
04/15/00 Whiting Petroleum Corporation 18,500 Edge Petroleum Company Oil Wells Texas
04/19/00 Whiting Petroleum Corporation 3,236,872 KO-OP XVI RTD Oil Wells North Dakota
06/15/00 Whiting Petroleum Corporation 31,418,000 Shell SWEP L.P. Gas Wells Michigan
01/03/00 Alliant Energy Industrial Services, Inc. 4,009,920 COGS Energy Co., L.P. NG Pipeline Texas
98,014,329
Various Whiting Petroleum Corporation 4,410,000 Drilling, Acq. Of Leaseholds, Seismic
Various Whiting Petroleum Corporation 6,906,000 Drilling, Acq. Of Leaseholds, Seismic
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Total Acquisition of Energy Assets 109,330,329
Purchase Price Adjustment (3,020,825)
TOTAL (NET) $106,309,504
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