Exhibit 99.1
JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)
The undersigned acknowledge and agree that the foregoing statement on Schedule 13D, filed on June 8, 2012, is filed on behalf of each of the undersigned and that all subsequent amendments to such statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other entity or person, except to the extent that he or it knows or has reason to believe that such information is inaccurate.
Date: June 8, 2012
/s/ James A. Thomas
James A. Thomas
James A. Thomas
THOMAS INVESTMENT PARTNERS, LTD.
By: THOMAS PARTNERS, INC., General Partner
/s/ James A. Thomas
By: James A. Thomas
By: James A. Thomas
Title: President
THOMAS PARTNERS, INC.
/s/ James A. Thomas
By: James A. Thomas
By: James A. Thomas
Title: President
THE LUMBEE CLAN TRUST
/s/ James A. Thomas
By: James A. Thomas
By: James A. Thomas
Title: Trustee