OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2016
Shares 207,414 Value ($000) $8,462 Avg Close $28.65 Range $25.36 - $32.91
Q3 2016
Shares 251,155 Value ($000) $8,297 Avg Close $26.40 Range $24.99 - $27.92
Q2 2016
Shares 216,155 Value ($000) $7,239 Avg Close $22.72 Range $21.07 - $25.45
Q1 2016
Shares 216,155 Value ($000) $6,403 Avg Close $20.54 Range $19.18 - $22.35
Q4 2015
Shares 266,855 Value ($000) $7,106 Avg Close $19.84 Range $18.55 - $21.13
Q3 2015
Shares 312,155 Value ($000) $8,135 Avg Close $19.31 Range $18.04 - $20.60
Q2 2015
Shares 313,396 Value ($000) $8,337 Avg Close $20.75 Range $19.00 - $23.54
Q1 2015
Shares 315,096 Value ($000) $10,136 Avg Close $22.79 Range $21.77 - $24.03
Q4 2014
Shares 334,064 Value ($000) $10,343 Avg Close $20.92 Range $18.69 - $23.28
Q3 2014
Shares 337,072 Value ($000) $8,990 Avg Close $19.83 Range $18.79 - $21.21
Q2 2014
Shares 337,072 Value ($000) $10,210 Avg Close $20.19 Range $18.95 - $21.44
Q1 2014
Shares 337,072 Value ($000) $10,378 Avg Close $20.25 Range $18.41 - $21.88
Q4 2013
Shares 337,072 Value ($000) $9,866 Avg Close $19.79 Range $18.12 - $20.92
Q3 2013
Shares 337,072 Value ($000) $9,304 Avg Close $19.36 Range $17.47 - $21.33
Q2 2013
Shares 337,072 Value ($000) $9,573 Avg Close $19.62 Range $17.73 - $21.00
Q1 2013
Shares 304,668 Value ($000) $9,487 Avg Close $18.51 Range $16.49 - $20.76
Q3 2012
Shares 304,668 Value ($000) $7,270 Avg Close — Range —
Q2 2012
Shares 304,668 Value ($000) $7,151 Avg Close — Range —