EXHIBIT A TO SCHEDULE 13G AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

EXHIBIT A TO SCHEDULE 13G

AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

     The undersigned persons, on February 2, 2010, agree and consent to the joint filing on their behalf of this Amendment No. 11 to Schedule 13G in connection with their beneficial ownership of the voting common stock of PHI, Inc.

WOODBOURNE PARTNERS, L.P.,

by its General Partner, XXXXXXX MANAGEMENT COMPANY
 

/s/ Xxxx X. Xxxx  

Xxxx X. Xxxx, President 

XXXXXXX MANAGEMENT COMPANY
 

/s/ Xxxx X. Xxxx  

Xxxx X. Xxxx, President 

/s/ Xxxx X. Xxxx  

Xxxx X. Xxxx