DTM CORPORATION 1611 Headway Circle Building 2 Austin, Texas 78754-5138Confidentiality Agreement • April 30th, 2001 • 3 D Systems Corp • Services-prepackaged software • Texas
1 Exhibit d(4) March 17, 2001 VIA FEDERAL EXPRESS ------------------- Special Committee of the Board of Directors DTM Corporation c/o Anthony Mariotti, Director Proactive Finance Group, LLC 221 West 6th Street, Suite 1520 Austin, TX 78701 Gentlemen:...Confidentiality Agreement • April 30th, 2001 • 3 D Systems Corp • Services-prepackaged software
