JOINT FILING AGREEMENT
EXHIBIT 99.1
Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the
“Exchange Act”), and the rules and regulations thereunder, each party hereto hereby agrees to the
joint filing, on behalf of each of them, of any filing required by such party under Section 13 or
Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment,
restatement, supplement, and/or exhibit thereto) with the Securities and Exchange Commission (and,
if such security is registered on a national securities exchange, also with the exchange), and
further agrees to the filing, furnishing, and/or incorporation by reference of this agreement as an
exhibit thereto. This agreement shall remain in full force and effect until revoked by any party
hereto in a signed writing provided to each other party hereto, and then only with respect to such
revoking party.
IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be
executed and effective as of the date first written below.
| Date: December 22, 2010 | XXXXXX XXXXXXX MANAGEMENT, L.P. | |||||||||||
| By: | BC Advisors, LLC, its general partner | |||||||||||
| By: | /s/ Xxxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxxx X. Xxxxxx | |||||||||||
| Title: | Co-Managing Member | |||||||||||
| XXXXXX XXXXXXX PARTNERS (QP), L.P. | ||||||||||||
| By: | Xxxxxx Xxxxxxx Management, L.P., its general partner | |||||||||||
| By: | BC Advisors, LLC, its general partner | |||||||||||
| By: | /s/ Xxxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxxx X. Xxxxxx | |||||||||||
| Title: | Co-Managing Member | |||||||||||
| XXXXXX XXXXXXX PARTNERS, L.P. | ||||||||||||
| By: | Xxxxxx Xxxxxxx Management, L.P., its general partner | |||||||||||
| By: | BC Advisors, LLC, its general partner | |||||||||||
| By: | /s/ Xxxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxxx X. Xxxxxx | |||||||||||
| Title: | Co-Managing Member | |||||||||||
| BC ADVISORS, LLC | ||||||||||||
| By: | /s/ Xxxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxxx X. Xxxxxx | |||||||||||
| Title: | Co-Managing Member | |||||||||||
| XXXXXX X. XXXXXX | ||||||||||||
| /s/ Xxxxxx X. Xxxxxx | ||||||||||||
| XXXXXXX X. XXXXXXX | ||||||||||||
| /s/ Xxxxxxx X. Xxxxxxx | ||||||||||||
