Exhibit 4
Joint Filing Agreement
Each of the undersigned hereby acknowledges and agrees, in compliance
with the provisions of Rule 13d-1(k)(1) promulgated under the Securities
Exchange Act of 1934, as amended, that the Schedule 13D to which this Agreement
is attached as an Exhibit and any amendments thereto, will be filed with the
Securities and Exchange Commission jointly on behalf of the undersigned. This
Agreement may be signed by the undersigned in separate counterparts.
Dated: Xxxxx 00, 0000
XXXXXXX
By: /s/ Xxxx X. Xxxxxxx
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Name: Xxxx X. Xxxxxxx
Title: Managing Director
PARIBAS NORTH AMERICA, INC
By: /s/ Xxxx X. Xxxxxxxx
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Name: Xxxx X. Xxxxxxxx
Title: Financial Controller
PARIBAS PRINCIPAL, INC
By: /s/ Xxxx X. Xxxxxxx
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Name: Xxxx X. Xxxxxxx
Title: Director
