OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q1 2016
Shares 500 Value ($000) $15 Avg Close $20.54 Range $19.18 - $22.35
Q1 2015
Shares 100 Value ($000) $3 Avg Close $22.79 Range $21.77 - $24.03
Q4 2014
Shares 100 Value ($000) $3 Avg Close $20.92 Range $18.69 - $23.28
Q3 2014
Shares 100 Value ($000) $3 Avg Close $19.83 Range $18.79 - $21.21
Q2 2014
Shares 100 Value ($000) $3 Avg Close $20.19 Range $18.95 - $21.44
Q1 2014
Shares 100 Value ($000) $3 Avg Close $20.25 Range $18.41 - $21.88
Q4 2013
Shares 100 Value ($000) $3 Avg Close $19.79 Range $18.12 - $20.92
Q1 2011
Shares 28,200 Value ($000) $641 Avg Close — Range —