Highland Capital Management Reveals Investment In Relypsa (RLYP)

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NEXPOINT ADVISORS, L.P.
By: NexPoint Advisors GP, LLC, its general partner
        By:

/s/ Dustin Norris

Name: Dustin Norris
Title: Secretary
NEXPOINT ADVISORS GP, LLC
        By:

/s/ Dustin Norris

Name: Dustin Norris
Title: Secretary
HIGHLAND SELECT EQUITY MASTER FUND, L.P.
By: Highland Select Equity Fund GP, L.P., its general partner
By: Highland Select Equity GP, LLC, its general partner
By: Highland Capital Management, L.P., its sole member
By: Strand Advisors, Inc., its general partner
        By:

/s/ James D. Dondero

Name: James D. Dondero
Title: President

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