In accordance with Rule 13d-1(k)(1) 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 Amendment No. 1 to Schedule 13G (including additional amendments thereto) with respect to the shares of common stock, par value $0.01 per share, of Lantheus Holdings, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments to such joint filing and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others.
Dated: February 14, 2017
| SCOPIA CAPITAL MANAGEMENT LP | |
| By: /s/ Samantha Nasello | |
| Name: Samantha Nasello | |
| Title: CCO | |
| SCOPIA MANAGEMENT, INC. | |
| By: /s/ Aaron Morse | |
| Name: Aaron Morse | |
| Title: Vice President | |
| By: /s/ Matthew Sirovich | |
| Name: Matthew Sirovich | |
| By: /s/ Jeremy Mindich | |
| Name: Jeremy Mindich | |
