TO SCHEDULE 13D JOINT FILING AGREEMENT The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13D dated July 13, 2010 in connection with their beneficial ownership of Advanced Analogic Technologies Incorporated,...Joint Filing Agreement • July 13th, 2010 • Ameriprise Financial Inc • Investment advice
The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13D dated July 13, 2010 in connection with their beneficial ownership of Advanced Analogic Technologies Incorporated, and any amendments thereto. Each of Ameriprise Financial, Inc. and Columbia Management Investment Advisers, LLC authorizes Seligman Spectrum Focus (Master) Fund to execute the Schedule 13D to which this Exhibit is attached and make any necessary amendments thereto.
