EX-1 2 a05-6660_3ex1.htm EX-1

EXHIBIT 1

 

JOINT FILING AGREEMENT

 

The undersigned hereby agree to the joint filing of the Amendment No. 2 to the Schedule 13G to which this Agreement is attached.

 

Dated: April 13, 2005

 

 

 

 

 

 

 

 

 

DISCOVERY GROUP I, LLC,

 

 

 

for itself and as general partner of

 

 

 

DISCOVERY EQUITY

 

 

 

PARTNERS, L.P.

 

 

 

 

 

 

 

 

 

By

/S/ MICHAEL R. MURPHY

 

 

 

 

Michael R. Murphy

 

 

 

 

Managing Member

 

 

 

 

 

 

 

 

 

/s/ Daniel J. Donoghue

 

 

 

Daniel J. Donoghue

 

 

 

 

 

 

 

 

 

 

 

/S/ MICHAEL R. MURPHY

 

 

 

Michael R. Murphy