13D Filing: Elliott Associates, L.P. and Athenahealth Inc (ATHN)

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EXHIBIT 99.1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13D with respect to the Common stock, $0.01 par value, of athenahealth, Inc. dated as of the date hereof is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Dated:
May 18, 2017
ELLIOTT ASSOCIATES, L.P.
By: Elliott Capital Advisors, L.P., as General Partner
By: Braxton Associates, Inc., as General Partner
By:
/s/ Elliot Greenberg
Elliot Greenberg,
Vice President
ELLIOTT INTERNATIONAL, L.P.
By: Elliott International Capital Advisors Inc.,
as Attorney-in-Fact
By:
/s/ Elliot Greenberg
Elliot Greenberg,
Vice President
ELLIOTT INTERNATIONAL CAPITAL ADVISORS INC.
By:
/s/ Elliot Greenberg
Elliot Greenberg,
Vice President

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