JOINT FILING AGREEMENTJoint Filing Agreement • January 3rd, 2013 • Raging Capital Management, LLC • Industrial inorganic chemicals
Contract Type FiledJanuary 3rd, 2013 Company IndustryIn 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 13G dated January 2, 2013 (including amendments thereto) with respect to the Common Stock of ATMI, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.