EX-99.A 2 d484250dex99a.htm EX-A

EX-A

EXHIBIT A

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, the persons or entities named below agree to the joint filing on behalf of each of them of this Schedule 13G/A with respect to the Securities of the Issuer and further agree that this joint filing agreement be included as an exhibit to this Schedule 13G/A. In evidence thereof, the undersigned hereby execute this Agreement as of February 7, 2013.

ROYAL BANK OF CANADA

/s/ Tom Smee

Signature

Tom Smee /Senior Vice President

Name/Title

/s/ Jeff Green

Signature

Jeff Green / Vice President

Name/Title

RBC CAPITAL MARKETS, LLC

/s/ John Penn*

Signature

John Penn/Authorized Signatory

Name/Title

* This Schedule 13G/A was executed by John Penn pursuant to the power of attorney filed with the Securities and Exchange Commission on November 12, 2010 in connection with a Schedule 13G/A for RMR Real Estate Income Fund, which power of attorney is incorporated herein by reference.