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 February 11, 2011 in connection with their beneficial ownership of JDA Software Group, Inc. Each of Columbia Seligman Communications & Information Fund, Inc., Seligman Spectrum Focus Fund, Inc. and Columbia Management Investment Advisers, 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/ Wade M. Voigt
	Wade M. Voigt
	Director — Fund Administration

Columbia Seligman
Communications & Information Fund, Inc.

By:	/s/ Scott R. Plummer
	Scott R. Plummer
	Title:	Senior Vice President, Secretary and Chief Legal Officer

Seligman Tech Spectrum Fund, Inc.

By:	/s/ Scott R. Plummer
	Scott R. Plummer
	General Counsel

Columbia Management Investment Advisers, LLC

By:	/s/ Amy Johnson
	Amy Johnson
	Chief Operating Officer