ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

Note: Option positions (PUT/CALL) are excluded.

Q3 2016

Shares 22,500 Value ($000) $862 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 14,610 Value ($000) $580 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 6,830 Value ($000) $507 Avg Close $24.74 Range $22.13 - $27.34

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	22,500	$862	$29.26	$27.72 - $30.41
Q2 2016	14,610	$580	$27.46	$25.25 - $29.85
Q1 2016	6,830	$507	$24.74	$22.13 - $27.34