BLACK HILLS CORP /SD/ — Director's Dealing 2010

Apr 8, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BLACK HILLS CORP /SD/ (BKH)
CIK: 0001130464
Period of Report: 2010-03-11

Reporting Person: OHLMACHER THOMAS M (PRES & COO NONREG ENERGY GROUP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-11	Common Stock	S	1070	$29.00	Disposed	52997.835	Direct
2010-04-07	Common Stock	S	2101	$32.00	Acquired	50896.835	Direct

Footnotes

F1: Shares sold in accordance with 10b5-1 Plan dated November 5, 2009.