EXHIBIT 4
---------
JOINT FILING AGREEMENT
----------------------
In accordance with Rule 13d-1(k) promulgated under the Securities Exchange
Act of 1934, as amended, the persons names below agree to the joint filing on
behalf of each of them a Statement on Schedule 13D, including amendments
thereto, relating to the common stock, no par value per share, of BI
Incorporated, and further agree that this Joint Filing Agreement be included as
an exhibit to all such joint filings. In evidence thereof, the undersigned,
being duly authorized, hereby execute this agreement as of the 11th day of
September, 2000.
Date: September 11, 2000 KBII Acquisition Company, Inc.
By: /s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
-----------------------------------
Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
Title: Secretary
Date: September 11, 2000 KBII Holdings, Inc.
By: /s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
-----------------------------------
Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
Title: Secretary
Date: September 11, 2000 KBII Acquisition Company, L.P.
By: KBII Management, LLC, its General Partner
By: /s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
-----------------------------------
Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
Title: Secretary
Date: September 11, 2000 KBII Management, LLC
By: /s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
-----------------------------------
Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
Title: Secretary
Date: September 11, 2000 /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
----------------------------------
▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
Date: September 11, 2000 /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
----------------------------------
▇▇▇▇▇ ▇. ▇▇▇▇▇▇
Date: September 11, 2000 /s/ ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, ▇▇.
----------------------------------
▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, ▇▇.
Date: September 11, 2000 /s/ ▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
----------------------------------
▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
Date: September 11, 2000 /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
----------------------------------
▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
Date: September 11, 2000 /s/ ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
----------------------------------
▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
