OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

FIRST NATIONAL BANK SIOUX FALLS's Holding History (CIK: 0001085041)

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

Q3 2016
Shares 500 Value ($000) $17 Avg Close $26.40 Range $24.99 - $27.92
Q2 2016
Shares 500 Value ($000) $17 Avg Close $22.72 Range $21.07 - $25.45
Q1 2016
Shares 500 Value ($000) $15 Avg Close $20.54 Range $19.18 - $22.35
Q4 2015
Shares 500 Value ($000) $13 Avg Close $19.84 Range $18.55 - $21.13
Q3 2015
Shares 500 Value ($000) $13 Avg Close $19.31 Range $18.04 - $20.60
Q2 2015
Shares 500 Value ($000) $13 Avg Close $20.75 Range $19.00 - $23.54
Q1 2015
Shares 500 Value ($000) $16 Avg Close $22.79 Range $21.77 - $24.03
Q4 2014
Shares 500 Value ($000) $15 Avg Close $20.92 Range $18.69 - $23.28
Q3 2014
Shares 500 Value ($000) $13 Avg Close $19.83 Range $18.79 - $21.21