Clarion Technologies Watch

from SC 13D/A 1 page <page> Exhibit 1 Pursuant to Rule 13d-1(k)(1)(iii) of Regulation 13d-G of the General Rules and Regulations 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 in the Capacities Set Forth Below. Dated: December 27, 2002 William Blair Mezzanine Capital Fund III, L.P., a Delaware Limited Partnership By: William Blair Mezzanine Capital Partners III, L.L.C., Its General Partner By: /S/ Terrance M. Shipp* Name: Terrance M. Shipp Title: Initial Managing Director William Blair Mezzanine Capital Partners III, L.L.C. By: /S/ Terrance M. Shipp* Name: Terrance M. Shipp Title: Initial Managing Director Wilblairco Associates By: /S/ Timothy M. Murray* Name: Timothy M. Murray Title: Partner William Blair & Company, L.L.C. By: /S/ Timothy L. Burke* Name: Timothy L. Burke Title: Principal Timothy J. Mackenzie /S/ Timothy J. Mackenzie* Timothy J. Mackenzie Terrance M. Shipp /S/ Terrance M. Shipp* Terrance M. Shipp <page> Marc J. Walfish /S/ Marc J. Walfish* Marc J. Walfish *By: /S/ Matthew D. O'MEARA - Matthew D. O'MEARA Attorney-In-Fact

from SC 13D/A 1 page <page> 1 Exhibit 1 Pursuant to Rule 13d-1(k)(1)(iii) of Regulation 13d-G of the General Rules and Regulations 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 in the Capacities Set Forth Below. Dated: August 4, 2000 William Blair Mezzanine Capital Fund III, L.P., a Delaware Limited Partnership By: William Blair Mezzanine Capital Partners III, L.L.C., Its General Partner By: /S/ Terrance M. Shipp* Name: Terrance M. Shipp Title: Initial Managing Director William Blair Mezzanine Capital Partners III, L.L.C. By: /S/ Terrance M. Shipp* Name: Terrance M. Shipp Title: Initial Managing Director Wilblairco Associates By: /S/ John P. Kayser* Name: John P. Kayser Title: Partner William Blair & Company, L.L.C. By: /S/ Timothy L. Burke* Name: Timothy L. Burke Title: Principal Timothy J. Mackenzie /S/ Timothy J. Mackenzie* Timothy J. Mackenzie <page> 2 Terrance M. Shipp /S/ Terrance M. Shipp* Terrance M. Shipp Marc J. Walfish /S/ Marc J. Walfish* Marc J. Walfish *By: /S/ Gavin Fearey Gavin Fearey Attorney-In-Fact

from SC 13D 1 page <page> 1 Exhibit 1 Pursuant to Rule 13d-1(k)(1)(iii) of Regulation 13d-G of the General Rules and Regulations 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 in the Capacities Set Forth Below. Dated: July 27, 2000 William Blair Mezzanine Capital Fund III, L.P., a Delaware Limited Partnership By: William Blair Mezzanine Capital Partners III, L.L.C., Its General Partner By: /S/ Terrance M. Shipp Name: Terrance M. Shipp Title: Initial Managing Director William Blair Mezzanine Capital Partners III, L.L.C. By: /S/ Terrance M. Shipp Name: Terrance M. Shipp Title: Initial Managing Director Wilblairco Associates By: /S/ John P. Kayser Name: John P. Kayser Title: Partner William Blair & Company, L.L.C. By: /S/ Timothy L. Burke Name: Timothy L. Burke Title: Principal Timothy J. Mackenzie /S/ Timothy J. Mackenzie Timothy J. Mackenzie <page> 2 Terrance M. Shipp /S/ Terrance M. Shipp Terrance M. Shipp Marc J. Walfish /S/ Marc J. Walfish Marc J. Walfish