13D Filing: James E. Flynn and Adeptus Health Inc. (ADPT)

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SIGNATURE

After reasonable inquiry
and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true,
complete and correct.


Dated: April 19, 2017

DEERFIELD
MGMT, L.P.

By:
J.E. Flynn Capital, LLC, General Partner

By: /s/ Jonathan Isler

Name: Jonathan Isler

Title:
Attorney-in-Fact

DEERFIELD
PARTNERS, L.P.

By:
Deerfield Mgmt, L.P., General Partner

By:
J.E. Flynn Capital, LLC, General Partner

By: /s/ Jonathan Isler

Name: Jonathan Isler

Title:
Attorney-in-Fact

DEERFIELD
INTERNATIONAL MASTER FUND, L.P.

By:
Deerfield Mgmt, L.P., General Partner

By:
J.E. Flynn Capital, LLC, General Partner

By: /s/ Jonathan Isler

Name: Jonathan Isler

Title:
Attorney-in-Fact

DEERFIELD
MANAGEMENT COMPANY, L.P.

By:
Flynn Management LLC, General Partner

By: /s/ Jonathan Isler

Name: Jonathan Isler

Title:
Attorney-in-Fact

JAMES
E. FLYNN

/s/ Jonathan Isler

Jonathan Isler, Attorney-in-Fact

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