Designated Filer:  Warburg, Pincus Equity Partners, L.P.
Issuer & Ticker symbol:  ev3 Inc. [EVVV]
Date of Event Requiring Statement:  July 9, 2010
 
JOINT FILERS’ SIGNATURES
 
Dated:  July 13, 2010
 
WARBURG PINCUS PARTNERS, LLC
 
BY:
Warburg Pincus & Co., its
Managing Member
 

By:           /s/ Scott A. Arenare                                                                                                                
Name:     Scott A. Arenare
Title:       Partner
 
 
WARBURG PINCUS & CO.
 
 
By:           /s/ Scott A. Arenare                                                                                                                
Name:      Scott A. Arenare
Title:        Partner
 
 
WARBURG PINCUS LLC
 
 
By:           /s/ Scott A. Arenare                                                                                                                  
Name:      Scott A. Arenare
Title:        Managing Director