Exhibit 24
Power of Attorney
The undersigned, hereby constitutes and appoints Marc Belsky and Francis
Sarena, and each of them, for so long as such person is an officer of Five Prime
Therapeutics, Inc., a Delaware corporation ("FivePrime"), and Laura Berezin, for
so long as she is a partner of a law firm representing FivePrime, the
undersigned's true and lawful attorney-in-fact, with full power of substitution
and resubstitution, each with the power to act alone for the undersigned and in
the undersigned's name, place and stead, to:
1. Complete and execute Forms 3, 4 and 5 under the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), and other forms and all amendments
thereto on the undersigned's behalf as such attorney-in-fact shall in his
discretion determine to be required or advisable pursuant to Section 16 of the
Exchange Act and the rules and regulations promulgated thereunder, or any
successor laws and regulations, as a consequence of the undersigned's beneficial
ownership of securities of FivePrime or changes in such beneficial ownership;
and
2. Do all acts necessary in order to file such forms and amendments with
the Securities and Exchange Commission, any securities exchange or national
association, FivePrime and such other persons or agencies as the
attorney-in-fact shall deem appropriate.
The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be done by virtue hereof. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is
FivePrime assuming, any of the undersigned's responsibilities to comply with or
liability under Section 16 of the Exchange Act or any rules and regulations
promulgated thereunder or any successor laws and regulations.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's beneficial ownership of securities of FivePrime or changes in such
beneficial ownership, unless earlier revoked by the undersigned in a signed
writing delivered to FivePrime and to the foregoing attorneys-in-fact.
The undersigned has executed this Power of Attorney as of March 20, 2017.
/s/ Helen Louise Collins
Helen Louise Collins