13G Filing: Jafco Sv4 Investment Limited Partnership and Miragen Therapeutics Inc. (NASDAQ:MGEN)

SIGNATURE

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.

March 31, 2017

(Date)

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.