Exhibit A
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1) of the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing of the Schedule 13D to which this agreement is attached and to the joint filing of all amendments thereto.
This agreement may be executed in one or more counterparts, each of which shall be considered an original counterpart, and shall become a binding agreement when each of the parties designated as signatories has executed one counterpart.
Dated: August 3, 2015
| JLL BUILDING HOLDINGS, LLC |
| By JLL Partners Fund V, L.P. |
| By its General Partner, JLL Associates V, L.P. |
| By its General Partner, JLL Associates G.P. V, L.L.C. |
| /s/ Paul S. Levy |
| Paul S. Levy, as Managing Member of JLL Associates G.P. V, L.L.C. |
| JLL PARTNERS FUND V, L.P. |
| By its General Partner, JLL Associates V, L.P. |
| By its General Partner, JLL Associates G.P. V, L.L.C. |
| /s/ Paul S. Levy |
| Paul S. Levy, as Managing Member of JLL Associates G.P. V, L.L.C. |
| JLL ASSOCIATES V, L.P. |
| By its General Partner, JLL Associates G.P. V, L.L.C. |
| /s/ Paul S. Levy |
| Paul S. Levy, as Managing Member of JLL Associates G.P. V, L.L.C. |
| JLL ASSOCIATES G.P. V, L.L.C. |
| /s/ Paul S. Levy |
| Paul S. Levy, as Managing Member |
| /s/ Paul S. Levy |
| Paul S. Levy |