Exhibit II
to
Schedule 13G
Joint Filing Agreement
The undersigned persons agree and consent to the joint filing on their behalf of
this Schedule 13G dated November 10, 2010 in connection with their beneficial
ownership of Key Technology, Inc. Columbia Management Investment Advisers, LLC
(formerly known as RiverSource Investments, LLC) authorizes Ameriprise
Financial, Inc. to execute the Schedule 13G to which this Exhibit is attached
and make any necessary amendments thereto.
Ameriprise Financial, Inc.
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx
Director - Fund Administration
Columbia Management Investment Advisers, LLC
By: /s/ Xxx Xxxxxxx
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Xxx Xxxxxxx
Chief Operating Officer
