EX-1
from SC 13G/A
1 page
<page> Cusip No. 073325102 13g Page 1 of 1 Pages Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(f)(1) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13g Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13g Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Filing Agreements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All of Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: February 8, 2002 Warburg, Pincus Ventures, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Scott A. Arenare Partner Warburg, Pincus & Co. By: /S/ Scott A. Arenare Scott A. Arenare Partner Warburg Pincus LLC By: /S/ Scott A. Arenare Scott A. Arenare Managing Director
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EX-1
from SC 13G/A
1 page
<page> Cusip No. 073325102 13g Page 9 of 9 Pages Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(f)(1) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13g Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13g Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Filing Agreements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All of Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: February 12, 2001 Warburg, Pincus Ventures, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Scott A. Arenare Attorney-In-Fact Warburg, Pincus & Co. By: /S/ Scott A. Arenare Scott A. Arenare Attorney-In-Fact E.M. Warburg, Pincus & Co., LLC By: /S/ Scott A. Arenare Scott A. Arenare Vice Present 9
12/34/56
EX-1
from SC 13G/A
1 page
<page> Cusip No. 073325102 13g Page 9 of 9 Pages Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(f)(1) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13g Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13g Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Filing Agreements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All of Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: September 14, 2000 Warburg, Pincus Ventures, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Stephen Distler Stephen Distler Its: Partner Warburg, Pincus & Co. By: /S/ Stephen Distler Stephen Distler Its: Partner E.M. Warburg, Pincus & Co., LLC By: /S/ Stephen Distler Stephen Distler Its: Member 9
12/34/56
EX-1
from SC 13G
1 page
<page> 1 - Cusip No. 073325102 13g Page 9 of 9 Pages - Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(f)(1) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13g Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13g Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Filing Agreements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All of Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: February 11, 2000 Warburg, Pincus Ventures, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Stephen Distler Stephen Distler Its: Partner Warburg, Pincus & Co. By: /S/ Stephen Distler Stephen Distler Its: Partner E.M. Warburg, Pincus & Co., LLC By: /S/ Stephen Distler Stephen Distler Its: Member 9
12/34/56