| 1 | ALCOA INC. |
| 2 | ALCOA UPSTREAM CORPORATION |
| 3 | BENEDUM INTERESTS |
| 4 | CIM INVESTMENT MANAGEMENT INC. |
| 5 | DOLLAR BANK FSB |
| 6 | FEDERATED GLOBAL INVESTMENT MANAGEMENT CORPORATION |
| 7 | FEDERATED INVESTORS |
| 8 | FIRST COMMONWEALTH BANK |
| 9 | FIRST NATIONAL BANK OF PENNSYLVANIA |
| 10 | FRANKLIN PORTFOLIO ASSOCIATES |
| 11 | K AND L GATES LLP |
| 12 | MDL CAPITAL MANAGEMENT |
| 13 | PNC BANK N.A. |
| 14 | ROCKHAVEN ASSET MANAGEMENT |
| 15 | RRZ INVESTMENT MANAGEMENT |
| 16 | THE BANK OF NEW YORK MELLON |
| 17 | THE BANK OF NEW YORK MELLON |
| 18 | TRISTATE CAPITAL BANK |
| 19 | UNITED STEELWORKERS OF AMERICA |
| 20 | US ASSET MANAGEMENT LLC DL CLARK BUILDING |