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SCHEDULE 13D
CUSIP NO. 068508100 Page 13 of 13
EXHIBIT B
AGREEMENT OF REPORTING PERSONS AS TO JOINT FILING OF SCHEDULE 13D
Each of the undersigned hereby affirms that he is individually eligible to use
Schedule 13D, and agrees that this Schedule 13D is filed on behalf of each of
the undersigned. Each of undersigned acknowledges that each of the undersigned
shall be responsible for the timely filing of this Schedule 13D and all
subsequent amendments hereto, and for the completeness and accuracy of the
information concerning him contained herein or therein, but shall not be
responsible for the completeness and accuracy of the information concerning the
other reporting persons, except to the extent that he knows or has reason to
believe that such information is not accurate.
Dated: July 28, 2000
/s/ R. Scott Asen
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R. Scott Asen
/s/ Gregory A. Beard
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Gregory A. Beard
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