EX-24 3 a2186563zex-24.htm EXHIBIT 24
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EXHIBIT 24


POWER OF ATTORNEY

        Each person whose signature appears below hereby authorizes Peter B. Knepper, as attorney-in-fact and agent, with full powers of substitution, to sign on his behalf, individually and in the capacities stated below, and to file any and all amendments to this Form 10-K, and other documents in connection therewith, with the Securities and Exchange Commission, granting to said attorney-in-fact and agent full power and authority to perform any other act on behalf of the undersigned required to be done in the premises.

Signatures
  Title
  Date

 

 

 

 

 
/s/  RICHARD J. DAHL      
Richard J. Dahl
  Chairman of the Board   August 1, 2008

/s/  
JACK O. VANCE      
Jack O. Vance

 

Director

 

August 1, 2008

/s/  
ROCHUS E. VOGT      
Rochus E. Vogt

 

Director

 

August 1, 2008

/s/  
JAMES D. PLUMMER      
James D. Plummer

 

Director

 

August 1, 2008

/s/  
ROBERT ATTIYEH      
Robert Attiyeh

 

Director

 

August 1, 2008

/s/  
THOMAS A. LACEY      
Thomas A. Lacey

 

Director

 

August 1, 2008

/s/  
MARY B. CRANSTON      
Mary B. Cranston

 

Director

 

August 1, 2008

/s/  
OLEG KHAYKIN      
Oleg Khaykin

 

Director and Chief Executive Officer
(Principal Executive Officer)

 

August 1, 2008



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POWER OF ATTORNEY