X0306 4 2012-12-21 0 0001130464 BLACK HILLS CORP /SD/ BKH 0001394201 Cleberg Anthony S PO BOX 1400 RAPID CITY SD 57709 0 1 0 0 EXECUTIVE VP & CFO Common Stock 2012-12-21 5 G 0 14001.962 0 D 24957.683 D Common Stock 2013-02-01 4 F 0 523.753 40.88 D 24433.93 D Common Stock 2012-12-21 5 G 0 14001.962 0 A 15435.887 I by Son Common Stock 3800. I SEP/IRA Common Stock 500. I by Spouse Investment authority through Power of Attorney Shares used to pay tax withholding associated with Restricted Stock vesting. Lorna J. Gunderman, by power of attorney 2013-02-05