Ownership History
| SHEA CONCRETE PRODUCTS TRUST | $100 | | 29275/0068 | 1B | 02/11/2010 |
| NEW ENGLAND CONCRETE PRODUCTS INC | $100 | | 18130/0466 | 1F | 12/31/2001 |
| NEW ENGLAND PRECAST CONC PRODT | $100 | | 17051/0403 | 1F | 04/09/2001 |
| N E CONCRETE PRODUCTS INC | $970,000 | | 15963/0196 | 1G | 09/29/1999 |
| PLAISTOW PRECAST CORP | $100,000 | | 07034/0048 | 1C | 01/17/1983 |