Ownership History
| SHIRE HUMAN GENETIC THERAPIES INC | $165,000,000 | | 54920/0208 | 1V | 06/30/2010 |
| PATRIOT PARTNERS LEXINGTON LLC | $10 | | 45231/0304 | 1B | 05/23/2005 |
| PM ATLANTIC LEXINGTON LLC | $51,500,000 | | 37402/0318 | 1A | 12/18/2002 |
| PM ATLANTIC LEXINGTON LLC | $51,500,000 | | 01262/0052 | 1G | 12/18/2002 |
| RAYTHEON COMPANY | $0 | | 01089/0086 | | 12/18/1991 |