Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, $0.01 par value, of A. M. Castle & Co. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
| Dated: January 5, 2015 | Raging Capital Master Fund, Ltd. | ||
| By: | Raging Capital Management, LLC Investment Manager | ||
| By: | /s/ Frederick C. Wasch | ||
| Name: | Frederick C. Wasch | ||
| Title: | Chief Financial Officer | ||
| Raging Capital Management, LLC | |||
| By: | /s/ Frederick C. Wasch | ||
| Name: | Frederick C. Wasch | ||
| Title: | Chief Financial Officer | ||
| /s/ Frederick C. Wasch | |
| Frederick C. Wasch as attorney-in-fact for William C. Martin |
/s/ Kenneth H. Traub | |
| Kenneth H. Traub |