X0206 3/A 2017-05-01 2017-05-03 1 0001364099 Innophos Holdings, Inc. IPHS 0001666160 Santangelo Mark 259 PROSPECT PLAINS RD. CRANBURY NJ 08512 1 Sr VP, Mfg, Eng & EH&S This Form 3/Amendment is being filed solely to update a typographical error in the Power of Attorney exhibit. Exhibit 24 - Power of Attorney /s/ Joshua S. Horenstein, as Attorney-In-Fact 2017-05-05