OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Chicago Partners Investment Group LLC's Holding History (CIK: 0001563525)

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

Q3 2016

Shares 612 Value ($000) $21 Avg Close $26.40 Range $24.99 - $27.92

Q2 2016

Shares 607 Value ($000) $20 Avg Close $22.72 Range $21.07 - $25.45

Q1 2016

Shares 601 Value ($000) $18 Avg Close $20.54 Range $19.18 - $22.35

Q4 2015

Shares 594 Value ($000) $16 Avg Close $19.84 Range $18.55 - $21.13

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	612	$21	$26.40	$24.99 - $27.92
Q2 2016	607	$20	$22.72	$21.07 - $25.45
Q1 2016	601	$18	$20.54	$19.18 - $22.35
Q4 2015	594	$16	$19.84	$18.55 - $21.13