D John Erickson

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Otter Tail Corp	OTTR	$23.41	1,000	Officer, Director	102,052	2009-12-16	Filing
Otter Tail Corp	OTTR	$23.41	300	Officer, Director	103,052	2009-12-16	Filing
Otter Tail Corp	OTTR	$23.40	2,600	Officer, Director	103,352	2009-12-16	Filing
Otter Tail Corp	OTTR	$23.38	200	Officer, Director	105,952	2009-12-16	Filing
Otter Tail Corp	OTTR	$23.37	700	Officer, Director	106,152	2009-12-16	Filing
Otter Tail Corp	OTTR	$23.47	100	Officer, Director	0	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.46	500	Officer, Director	100	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.42	400	Officer, Director	600	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.41	72	Officer, Director	1,000	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.40	142	Officer, Director	1,072	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.38	100	Officer, Director	1,214	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.37	202	Officer, Director	1,314	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.36	100	Officer, Director	1,516	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.35	510	Officer, Director	1,616	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.34	274	Officer, Director	2,126	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.32	700	Officer, Director	2,400	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.31	400	Officer, Director	3,100	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.30	101	Officer, Director	3,500	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.29	299	Officer, Director	3,601	2009-12-15	Filing
Otter Tail Corp	OTTR	$23.28	100	Officer, Director	3,900	2009-12-15	Filing