Ownership History
| THYSSENKRUPP MATERIALS INC | $0 | 489/858 | 02/16/2006 |
| THYSSENKRUPP MATERIALS INC | $0 | 415/758 | 03/03/2004 |
| THYSSENKRUPP MATERIALS INC | $1,875,000 | 377/545 | 06/09/2003 |
| CRITERION METALS INCORPORATED | $0 | 262/125 | 01/26/2000 |
| M K REALTY ASSOCIATES LLC | $0 | 195/22 | 09/20/1995 |
| M K REALTY ASSOCIATES | $0 | 109/1246 | 12/20/1988 |
| M K REALTY INC | $0 | 109/1126 | 12/16/1988 |
| SECOND PAWTUCKET AREA INDUSTRIAL DEVELOPMENT FOUNDATION INC | $0 | 35/156 | 04/12/1966 |
| M K REALTY INC | $0 | 35/146 | 04/12/1966 |
| SECOND PAWTUCKET AREA INDUSTRIAL DEVELOPMENT FOUNDATION INC | $0 | 26/452 | 12/26/1962 |
| CRITERION METALS INC. | $0 | 262/125 | 01/01/1900 |
| RHODE ISLAND STATE OF | $0 | 0/0 | 01/01/1900 |