Otter Tail Corp — Director's Dealing 2009

Dec 23, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Otter Tail Corp (OTTR)
CIK: 0001466593
Period of Report: 2009-12-21

Reporting Person: MACFARLANE JOHN C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-21	Common Stock	M	25000	$19.75	Acquired	80641.0554	Direct
2009-12-21	Common Stock	S	12100	$24.40	Disposed	68541.0554	Direct
2009-12-21	Common Stock	S	500	$24.4025	Disposed	68041.0554	Direct
2009-12-21	Common Stock	S	500	$24.405	Disposed	67541.0554	Direct
2009-12-21	Common Stock	S	500	$24.4075	Disposed	67041.0554	Direct
2009-12-21	Common Stock	S	3714	$24.41	Disposed	63327.0554	Direct
2009-12-21	Common Stock	S	500	$24.415	Disposed	62827.0554	Direct
2009-12-21	Common Stock	S	2500	$24.42	Disposed	60327.0554	Direct
2009-12-21	Common Stock	S	300	$24.425	Disposed	60027.0554	Direct
2009-12-21	Common Stock	S	400	$24.43	Disposed	59627.0554	Direct
2009-12-21	Common Stock	S	286	$24.44	Disposed	59341.0554	Direct
2009-12-21	Common Stock	S	700	$24.45	Disposed	58641.0554	Direct
2009-12-21	Common Stock	S	500	$24.455	Disposed	58141.0554	Direct
2009-12-21	Common Stock	S	1000	$24.4575	Disposed	57141.0554	Direct
2009-12-21	Common Stock	S	900	$24.46	Disposed	56241.0554	Direct
2009-12-21	Common Stock	S	200	$24.465	Disposed	56041.0554	Direct
2009-12-21	Common Stock	S	400	$24.50	Disposed	55641.0554	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	23360.6884	Indirect
Common Stock	3441.281	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options(right to buy)	$19.75	2010-04-10	Common Stock (100000)	25000	Direct
Stock Options(right to buy)	$26.25	2011-04-09	Common Stock (100000)	100000	Direct

Footnotes

F1: Total direct holdings include shares jointly held with spouse in the Dividend Reinvestment Plan and the Employee Stock Purchase Plan and shares acquired individually pursuant to Restricted Stock Award distributions.

F2: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on 9/4/2009 and amended on 12/9/2009.

F3: Stock options vest in cumulative annual installments of 25% beginning the date shown.