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 additional amendments thereto) with respect to the shares of Common Stock, $0.001 par value, of RTI Surgical, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: May 26, 2016
| Krensavage Partners, LP |
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| By: | Krensavage Asset Management, LLC Investment Manager |
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| By: | /s/ Michael P. Krensavage |
| | Name: | Michael P. Krensavage |
| | Title: | Managing Member |
| Krensavage Partners Too, LP |
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| By: | Krensavage Asset Management, LLC Investment Manager |
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| By: | /s/ Michael P. Krensavage |
| | Name: | Michael P. Krensavage |
| | Title: | Managing Member |
| Krensavage Advisors, LLC |
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| By: | /s/ Michael P. Krensavage |
| | Name: | Michael P. Krensavage |
| | Title: | Owner |
| Krensavage Advisors Too, LLC |
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| By: | /s/ Michael P. Krensavage |
| | Name: | Michael P. Krensavage |
| | Title: | Owner |
| Krensavage Asset Management, LLC |
| | |
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| By: | /s/ Michael P. Krensavage |
| | Name: | Michael P. Krensavage |
| | Title: | Managing Member |
| /s/ Michael P. Krensavage |
| MICHAEL P. KRENSAVAGE |