Exhibit II to Schedule 13G Joint Filing AgreementJoint Filing Agreement • June 27th, 2012 • Seligman Spectrum Focus (Master) Fund • Semiconductors & related devices
Contract Type FiledJune 27th, 2012 Company IndustryThe undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G dated June 26, 2012 in connection with their beneficial ownership of PLX Technology, Inc. Each of Seligman Spectrum Focus (Master) Fund 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.