Otter Tail Corp

t1600701_ex4-2.htm

t1600701_ex4-1.htm

t1600605_ex4-1.htm

t1600282_ex4-1.htm

t1600051_ex4-1.htm

t83453_ex4-1.htm

t83453_ex4-2.htm

ex4-1.htm

ex4-2.htm

ottertailpowercompanynotep.htm

ottertailpowercompanynotep.htm

ex41-2023stockincentiveplan.htm

ottertailpowercompanynotep.htm

ex_171883.htm

ex_162569.htm

ex_162568.htm

ex_157844.htm

ex_128061.htm

ex_128062.htm

ex_100612.htm