Exhibit B JOINT FILING AGREEMENT The undersigned hereby agree that the Statement on Schedule 13G, dated February 27, 2007 with respect to the shares of Common Stock of Ardent Acquisition Corporation and any further amendments thereto executed by each...Joint Filing Agreement • March 1st, 2007 • Potomac Capital Management LLC • Air transportation, nonscheduled
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.
