13D Filing: Caxton Corp and Strongbridge Biopharma PLC (SBBP)

Signatures

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

The original statement shall be signed by each person
on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his
authorized representative (other than an executive officer or general partner of the filing person), evidence of the representative’s
authority to sign on behalf of such person shall be filed with the statement: provided, however, that a power of attorney for this
purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who
signs the statement shall be typed or printed beneath his signature.

* The Reporting Persons disclaim beneficial ownership
over the securities reported herein except to the extent of the reporting persons’ pecuniary interest therein.

ATTENTION: Intentional misstatements or omissions
of fact constitute Federal criminal violations (See 18 U.S.C. 1001).