13D Filing: Adage Capital Management and Rocket Pharmaceuticals Inc. (RCKT)

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SIGNATURES

After reasonable inquiry and to the best
of his or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true,
complete and correct.

Date: January 19, 2018

ADAGE CAPITAL PARTNERS, L.P.
By:  Adage Capital Partners GP, L.L.C.,
its general partner
By:  Adage Capital Advisors, L.L.C.,
its managing member
/s/ Robert Atchinson
Name:  Robert Atchinson
Title: Managing Member
ADAGE CAPITAL PARTNERS GP, L.L.C.
By:  Adage Capital Advisors, L.L.C.,
its managing member
/s/ Robert Atchinson
Name:  Robert Atchinson
Title: Managing Member
ADAGE CAPITAL ADVISORS, L.L.C.
/s/ Robert Atchinson
Name:  Robert Atchinson
Title: Managing Member
ROBERT ATCHINSON
/s/ Robert Atchinson
ROBERT ATCHINSON, individually
PHILLIP GROSS
/s/ Phillip Gross
PHILLIP GROSS, individually

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