| SC 13G/A | 2007-02-13 | BlackRock Inc. | UNISYS CORP | 36,830,620 | 10.7% | EDGAR |
| SC 13D | 2006-11-27 | MMI INVESTMENTS, L.P. | UNISYS CORP | 20,621,700 | 6.0% | EDGAR |
| SC 13G | 2006-10-10 | BlackRock Inc. | UNISYS CORP | 35,833,746 | 10.4% | EDGAR |
| SC 13G/A | 2006-08-10 | MERRILL LYNCH ASSET MANAGEMENT INC | UNISYS CORP | 34,404,642 | 10.0% | EDGAR |
| SC 13G/A | 2006-05-25 | TUDOR INVESTMENT CORP ET AL | UNISYS CORP | 15,771,734 | 4.6% | EDGAR |
| SC 13G/A | 2006-03-31 | TUDOR INVESTMENT CORP ET AL | UNISYS CORP | 14,538,686 | 4.3% | EDGAR |
| SC 13G/A | 2006-02-14 | TUDOR INVESTMENT CORP ET AL | UNISYS CORP | 17,125,605 | 5.0% | EDGAR |
| SC 13G/A | 2006-02-14 | BRANDES INVESTMENT PARTNERS, LP | UNISYS CORP | 55,343,604 | 16.2% | EDGAR |
| SC 13G/A | 2006-02-07 | MERRILL LYNCH ASSET MANAGEMENT INC | UNISYS CORP | 30,928,663 | 9.1% | EDGAR |
| SC 13G | 2005-11-23 | TUDOR INVESTMENT CORP ET AL | UNISYS CORP | 16,806,111 | 4.9% | EDGAR |
| SC 13G/A | 2005-06-09 | MERRILL LYNCH ASSET MANAGEMENT INC | UNISYS CORP | 35,430,673 | 10.5% | EDGAR |
| SC 13G/A | 2005-02-14 | BRANDES INVESTMENT PARTNERS, LP | UNISYS CORP | 45,997,597 | 13.7% | EDGAR |
| SC 13G/A | 2005-02-10 | CITIGROUP INC | UNISYS CORP | 9,490,207 | 2.8% | EDGAR |
| SC 13G/A | 2005-01-19 | MERRILL LYNCH ASSET MANAGEMENT INC | UNISYS CORP | 33,266,622 | 9.9% | EDGAR |
| SC 13G/A | 2004-07-12 | BRANDES INVESTMENT PARTNERS LLC | UNISYS CORP | 33,566,277 | 10.1% | EDGAR |
| SC 13G/A | 2004-02-18 | BRANDES INVESTMENT PARTNERS LLC | UNISYS CORP | 27,793,626 | 8.4% | EDGAR |
| SC 13G | 2004-02-17 | CITIGROUP INC | UNISYS CORP | 17,081,907 | 5.2% | EDGAR |
| SC 13G/A | 2004-01-27 | MERRILL LYNCH ASSET MANAGEMENT INC | UNISYS CORP | 21,705,831 | 6.6% | EDGAR |
| SC 13G/A | 2003-02-14 | BRANDES INVESTMENT PARTNERS LLC | UNISYS CORP | 41,496,633 | 12.8% | EDGAR |
| SC 13G | 2003-01-13 | MERRILL LYNCH & CO INC | UNISYS CORP | 22,312,931 | 6.9% | EDGAR |