ALLIANT ENERGY CORP

CUSIP: 18802108 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2015
Shares 11,500 Value ($000) $718 Avg Close — Range —
Q1 2013
Shares 800 Value ($000) $40 Avg Close — Range —