Otter Tail Corp — Director's Dealing 2009

Dec 8, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Otter Tail Corp (OTTR)
CIK: 0001466593
Period of Report: 2009-12-08

Reporting Person: KOECK GEORGE A (Corp Secretary & Gen Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-08	Common Stock	S	200	$23.54	Disposed	14391.6501	Direct
2009-12-08	Common Stock	S	300	$23.53	Disposed	14091.6501	Direct
2009-12-08	Common Stock	S	100	$23.51	Disposed	13991.6501	Direct
2009-12-08	Common Stock	S	200	$23.50	Disposed	13791.6501	Direct
2009-12-08	Common Stock	S	500	$23.48	Disposed	13291.6501	Direct
2009-12-08	Common Stock	S	60	$23.47	Disposed	13231.6501	Direct
2009-12-08	Common Stock	S	480	$23.45	Disposed	12751.6501	Direct
2009-12-08	Common Stock	S	160	$23.44	Disposed	12591.6501	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	787.9224	Indirect

Footnotes

F1: These shares were sold through Merrill Lynch.

F2: Total direct holdings include shares held in the Dividend Reinvestment Plan and shares acquired pursuant to Restricted Stock Awards and Performance Award distributions.