Note: Certain portions of this document have been marked "[c.i.]" to indicate that confidential treatment has been
requested for this confidential information. The confidential portions have been omitted and filed separately with
the Securities and Exchange Commission.
AMENDMENT TO PURCHASE AND SUPPLY AGREEMENT
This Amendment to Purchase and Supply Agreement (the "Amendment"), effective as of February 15, 2001, is
made by and between DUSA Pharmaceuticals, Inc., a New Jersey corporation, having offices at 25 Upton
Drive, Wilmington, Massachusetts 01887 ("DUSA") and North Safety Products, Inc., a Delaware corporation
and unit of Norcross Safety Products L.L.C., having offices at 2000 Plainfield Pike, Cranston, Rhode Island
Whereas, DUSA and NSP are parties to a Purchase and Supply Agreement effective as of September 13, 1999
Whereas, DUSA confirms that it will not order at least [c.i.] Kerastick(R) units for delivery during the period
from the first anniversary to the second anniversary of this Agreement, and that as a result the parties intend to
negotiate a new agreement prior to the second anniversary of the Agreement,
i.e., September 13, 2001; and
Whereas, the parties wish to amend the Agreement upon the terms and conditions set forth in this Amendment for
good and valuable consideration which is hereby acknowledged;
Now, Therefore, in consideration of the covenants, conditions, and undertakings hereinafter set forth, the parties
mutually agree as follows:
1. The recitals above are incorporated into this Agreement.
2. Amend Article II Supply by adding the following:
2.4.3 Under-Utilization Fee.
(a) The parties recognize that orders for DUSA's Kerastick(R) have not been at unit levels as originally
anticipated by the parties. DUSA agrees, therefore, to compensate NSP in the form of an under-utilization fee,
for direct labor and overhead costs directly related to the manufacture of the Kerastick(R). The parties agree that