from SC 13D 1 page <page> Exhibit 1 Filing Agreement Dated October 8, 1999 Re: Joint Filing of Schedule 13d the Undersigned Hereby Agree That: 1. (I) Each of Them Is Individually Eligible to Use the Schedule 13d Attached Hereto; 2. (II) the Attached Schedule 13d Is Filed on Behalf of Each of Them; 3. (III) Each of Them Is Responsible for the Timely Filing of Such Schedule 13d and Any Amendments Thereto, and for the Completeness and Accuracy of the Information Therein Concerning Itself; but None of Them Is Responsible for the Completeness and Accuracy of the Information Concerning the Other Persons Making the Filing, Unless It Knows or Has Reason to Believe That Such Information Is Inaccurate. Slc Technologies, Inc. By: /S/ James C. Cook Name: James C. Cook Title: Vice President Berwind Group Partners By: /S/ Bruce J. McKenney Name: Bruce J. McKenney Title: Vice President

from SC 13D ~10 pages Voting Support Agreement Slc Tech and Thomas L. Auth

from SC 13D ~10 pages Voting Support Agreement Slc Tech and Auth Family

from SC 13D ~10 pages Voting Support Agreement Slc Tech and Sangwoo Ahn

from SC 13D ~10 pages Voting Support Agreement Slc Tech and Perry J. Lewis

from SC 13D ~10 pages Voting Support Agreement Slc Tech and Mlga Fund II, L.P.

from SC 13D ~5 pages Form of Voting Agreement

from SC 13D ~20 pages Commitment Letter Dated 9/28/1999