OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

CARDEROCK CAPITAL MANAGEMENT INC's Holding History (CIK: 0001168889)

Note: Option positions (PUT/CALL) are excluded.

Q1 2014

Shares 800 Value ($000) $25 Avg Close $20.25 Range $18.41 - $21.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	800	$25	$20.25	$18.41 - $21.88