Stock Trading History of Protsch Eliot G

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Protsch Eliot G since year 2005. The trader's CIK number is 1209109. At the time of this reporting, Protsch Eliot G is the Director of Alliant Energy Corp (stock ticker symbol LNT).
Note that in the past PROTSCH ELIOT G also reported insider trading activities as an insider of the following companies:

Alliant Energy Corp (LNT)
Capstone Turbine Corp (cpst)

Stock purchases, sales, and option exercises reported by *Protsch Eliot G* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-07-02	LNT	Alliant Energy Corp	Option Exercise	11,063	28.59	316,333
2007-07-02	LNT	Alliant Energy Corp	Sale	11,063	38.85	429,797
2007-06-01	LNT	Alliant Energy Corp	Option Exercise	6,642	16.82	111,718
2007-06-01	LNT	Alliant Energy Corp	Sale	6,642	43.12	286,403
2007-05-01	LNT	Alliant Energy Corp	Option Exercise	9,897	25.93	256,629
2007-05-01	LNT	Alliant Energy Corp	Sale	9,897	43.66	432,103
2007-04-02	LNT	Alliant Energy Corp	Sale	10,000	44.74	447,400
2007-04-02	LNT	Alliant Energy Corp	Option Exercise	10,000	24.90	249,000
2007-03-01	LNT	Alliant Energy Corp	Sale	10,000	41.40	414,000
2007-03-01	LNT	Alliant Energy Corp	Option Exercise	10,000	27.79	277,900
2007-02-15	LNT	Alliant Energy Corp	Option Exercise	46,610	28.53	1,329,608
2007-02-15	LNT	Alliant Energy Corp	Sale	46,610	42.36	1,974,553
2007-02-13	LNT	Alliant Energy Corp	Sale	1,825	41.00	74,825
2007-02-05	LNT	Alliant Energy Corp	Option Exercise	10,000	16.82	168,200
2007-02-05	LNT	Alliant Energy Corp	Sale	10,000	37.00	370,000
2007-01-03	LNT	Alliant Energy Corp	Option Exercise	10,000	28.59	285,938
2007-01-03	LNT	Alliant Energy Corp	Sale	10,000	37.68	376,800
2006-12-01	LNT	Alliant Energy Corp	Sale	10,000	38.70	387,000
2006-12-01	LNT	Alliant Energy Corp	Option Exercise	10,000	24.90	249,000
2006-11-01	LNT	Alliant Energy Corp	Option Exercise	10,000	31.54	315,400
2006-11-01	LNT	Alliant Energy Corp	Sale	10,000	38.16	381,599
2006-10-02	LNT	Alliant Energy Corp	Option Exercise	10,000	29.88	298,750
2006-10-02	LNT	Alliant Energy Corp	Sale	10,000	36.50	365,000
2006-09-01	LNT	Alliant Energy Corp	Option Exercise	10,000	16.82	168,200
2006-09-01	LNT	Alliant Energy Corp	Sale	10,000	36.50	365,000
2006-08-25	LNT	Alliant Energy Corp	Sale	11,406	36.50	416,319
2006-08-25	LNT	Alliant Energy Corp	Option Exercise	11,406	31.56	360,001
2006-08-08	LNT	Alliant Energy Corp	Sale	844	36.14	30,502
2006-03-01	CPST	Capstone Turbine Corp	Purchase	2,374	3.16	7,501
2006-02-16	LNT	Alliant Energy Corp	Option Exercise	5,100	28.12	143,437
2006-02-16	LNT	Alliant Energy Corp	Sale	5,100	30.95	157,845
2005-12-01	CPST	Capstone Turbine Corp	Purchase	2,213	3.39	7,502
2005-09-01	CPST	Capstone Turbine Corp	Purchase	1,553	4.83	7,500
2005-06-01	CPSTQ	Capstone Turbine Corp	Purchase	7,500	1.00	7,500

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Protsch Eliot G (Director of Alliant Energy Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.