SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________ FORM 8-A/A (AMENDMENT NO. 4) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 UNISYS CORPORATION - ---------------------------------------------------------------------------- (Exact Name of Registrant as Specified in its Charter) Delaware 38-0387840 - ---------------------------------------------------------------------------- (State of Incorporation or Organization) (IRS Employer Identification No.) Township Line and Union Meeting Roads Blue Bell, Pennsylvania 19424 - ---------------------------------------------------------------------------- (Address of principal executive offices) (zip code) Securities to be registered pursuant to Section 12(b) of the Act: Title of Each Class Name of Each Exchange on Which to be so Registered Each Class is to be Registered - ---------------------------------------------------------------------------- Preferred Share Purchase Rights New York Stock Exchange Securities to be registered pursuant to Section 12(g) of the Act: None - ---------------------------------------------------------------------------- (Title of Class)The undersigned registrant hereby amends Items 1 and 2 of its Registration Statement on Form 8-A dated March 11, 1986 (as previously amended by Amendment Nos. 1, 2 and 3 thereto), as set forth herein. Item 1. Description of Registrant's Securities to be Registered. A final paragraph is added to Item 1 as follows: On February 22, 1996, the Board of Directors of the Company extended the expiration of the Rights from March 17, 1996 to March 17, 2001. Accordingly, all references in this Registration Statement to "March 17, 1996" shall be deemed to refer to March 17, 2001. Amendment No. 1 to the Rights Agreement, which effects this change, is an exhibit hereto. Item 2. Exhibits. The Exhibit Index is amended to add the following exhibit: 1. Amendment No. 1, dated as of February 22, 1996, to the Rights Agreement, dated as of March 7, 1986, between Unisys Corporation (then named Burroughs Corporation) and Harris Trust Company of New York, as Rights Agent (Incorporated by reference to Exhibit 4 of the registrant's Current Report on Form 8-K dated February 22, 1996). SIGNATURE --------- Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: February 26, 1996 UNISYS CORPORATION By: /s/ Harold S. Barron ------------------------------ Harold S. Barron Senior Vice President, General Counsel and Secretary EXHIBIT INDEX ------------- Exhibit No. 1. Amendment No. 1, dated as of February 22, 1996, to the Rights Agreement, dated as of March 7, 1986, between Unisys Corporation (then named Burroughs Corporation) and Harris Trust Company of New York, as Rights Agent (Incorporated by reference to Exhibit 4 of the registrant's Current Report on Form 8-K dated February 22, 1996).