UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): MARCH 2, 2004 3D SYSTEMS CORPORATION (Exact Name of registrant as specified in its charter) DELAWARE 0-22250 95-4431352 (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation) File Number) Identification No.) 26081 AVENUE HALL VALENCIA, CALIFORNIA 91355 (Address of principal executive offices) (Zip Code) (661) 295-5600 (Registrant's telephone number, including area code) ITEM 5. OTHER EVENTS AND REQUIRED FD DISCLOSURE The Board of Directors of 3D Systems Corporation (the "Company") voted to accelerate the final expiration date of the purchase rights issued under the Company's Rights Agreement, dated as of December 4, 1995, between the Company and U.S. Stock Transfer Corporation, as the Rights Agent (the "Rights Agreement"). Under the terms of the amendment, the purchase rights expired at the close of business on March 3, 2004, rather than on December 3, 2005, as initially provided under the Rights Agreement. The Rights Agreement terminated upon the expiration of the purchase rights. Reference is made to the press release issued by the Company on March 4, 2004, which is incorporated herein by this reference. A copy of this press release is attached to this Form 8-K as Exhibit 99.1. In addition, a copy of the amendment to the Rights Agreement is attached to this Form 8-K as Exhibit 4.1. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (a) Financial Statements. None. (b) Pro Forma Financial Information. None. (c) Exhibits. EXHIBIT NO. EXHIBIT ----------- ------------------------------------------------ 4.1 First Amendment to Rights Agreement, dated as of March 2, 2004, between the Company and U.S. Stock Transfer Corporation, as Rights Agent. 99.1 Press Release, dated March 4, 2004, issued by the Company announcing change in expiration date of Rights Agreement. S I G N A T U R E Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. March 4, 2004 3D Systems Corporation /s/ Robert M. Grace, Jr. ----------------------------------------- By: Robert M. Grace, Jr. Its: Vice President, General Counsel and Corporate Secretary 2 EXHIBIT NO. EXHIBIT ----------- ------------------------------------------------ 4.1 First Amendment to Rights Agreement, dated as of March 2, 2004, between the Company and U.S. Stock Transfer Corporation, as Rights Agent. 99.1 Press Release, dated March 4, 2004, issued by the Company announcing change in expiration date of Rights Agreement. 3