Exhibit B
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Joint Filing Agreement
The undersigned hereby agree that the statement on Schedule 13D with
respect to the common stock, par value $0.01 per share, of ev3 Inc., a Delaware
corporation, is, and any amendment thereto signed by each of the undersigned
shall be, filed on behalf of each undersigned pursuant to and in accordance with
the provisions of 13d-1(k) under the Securities Exchange Act of 1934, as
amended.
Dated: June 21, 2005 WARBURG, XXXXXX EQUITY PARTNERS, L.P.
By: Warburg Pincus Partners LLC,
its General Partner
By: Warburg Pincus & Co.,
its Managing Member
By: /s/ Xxxxx X. Xxxxxxx
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Name: Xxxxx X. Xxxxxxx
Title: Partner
Dated: June 21, 2005 WARBURG PINCUS & CO.
By: /s/ Xxxxx X. Xxxxxxx
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Name: Xxxxx X. Xxxxxxx
Title: Partner
Dated: June 21, 2005 WARBURG PINCUS LLC
By: /s/ Xxxxx X. Xxxxxxx
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Name: Xxxxx X. Xxxxxxx
Title: Managing Director
Dated: June 21, 2005 WARBURG PINCUS PARTNERS LLC
By: Warburg Pincus & Co.,
its Managing Member
By: /s/ Xxxxx X. Xxxxxxx
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Name: Xxxxx X. Xxxxxxx
Title: Partner