Exhibit B
JOINT FILING AGREEMENT
The undersigned hereby agree that the Statement on Schedule
13G, dated July 14, 2005 with respect to the shares of Common Stock of
Kitty Hawk, Inc. and any further amendments thereto executed by each
and any of us shall be filed on behalf of each of us pursuant to and in
accordance with the provisions of Rule 13d-1(k)(1) under the Securities
Exchange Act of 1934, as amended.
This Agreement may be executed in separate counterparts,
each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.
Dated: November 22, 2005
POTOMAC CAPITAL MANAGEMENT LLC
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx, Managing Member
POTOMAC CAPITAL MANAGEMENT INC.
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx, President
XXXX X. XXXXX
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx
