Form: SC 13G/A

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

EXHIBIT 99.1 JOINT FIING STATEMENT

Published on




Page 13 of 13 Pages

EXHIBIT A

Pursuant to Rule 13d-1(f)(1)(iii) of Regulation 13D-G of the
General Rules and Regulations of the Securities and Exchange Commission
under the Securities Exchange Act of 1934, as amended, the undersigned agree
that the statement to which this Exhibit is attached is filed on behalf of
each of them.

Dated: February 11, 2000 APERTURE ASSOCIATES, L.P.

By: Horsley Bridge Partners, Inc.
Its: General Partner


By: /s/ Phillip Horsley
------------------------
Phillip Horsley
Its: President


HORSLEY BRIDGE PARTNERS, INC.


By: /s/ Phillip Horsley
------------------------------
Phillip Horsley
Its: President


APERTURE PARTNERS, L.P.


By: /s/ Phillip Horsley
------------------------------
Phillip Horsley
Its: General Partner


/s/ Phillip Horsley
------------------------------
PHILLIP HORSLEY


/s/ Gary L. Bridge
------------------------------
GARY L. BRIDGE


/s/ N. Dan Reeve
------------------------------
N. DAN REEVE