| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Jeffrey W. Edwards | 15.6% | 4,258,581 | 191,160 | 4,067,421 | /s/ Jeffrey W. Edwards | Individually | |
| IBP Holding Company | 9.1% | 2,477,819 | 0 | 2,477,819 | /s/ Jeffrey W. Edwards | President | |
| PJAM IBP Holdings, Inc. | 9.1% | 2,477,819 | 0 | 2,477,819 | /s/ Jeffrey W. Edwards | President | |
| Installed Building Systems, Inc. | 5.2% | 1,416,194 | 0 | 1,416,194 | /s/ Jeffrey W. Edwards | President |