0001104659-06-008106 Sample Contracts

EXHIBIT A

Amendment to Schedule 13g • February 13th, 2006 • Oak Management Corp • Communications services, nec

• Contract Type
  Amendment to Schedule 13g
• Filed
  February 13th, 2006
• Company
  Oak Management Corp
• Industry
  Communications services, nec

Each of the undersigned hereby agrees that Amendment No. 6 to Schedule 13G filed on the date hereof with respect to the shares of Common Stock of Wireless Facilities, Inc. has been filed on behalf of the undersigned.