X0306 4 2016-03-31 0001364099 Innophos Holdings, Inc. IPHS 0001379625 Brodheim Charles 259 PROSPECT PLAINS ROAD CRANBURY NJ 08512 1 VP, Corporate Controller Common Stock 2016-03-31 4 F 0 249 30.91 D 35825 D Common Stock 2016-04-01 4 A 0 2358 0 A 38183 D 2016 Option to Purchase 31.11 2016-04-01 4 A 0 14747 0 A 2026-03-31 Common Stock 14747 14747 D Represents the number of shares granted in 2013/2014/2015 withheld for tax purposes. On April 1, 2016, these shares of restricted common stock were granted to the reporting person to be held in escrow, subject to certain vesting and forfeiture provisions. The grant vests in three equal installments over a three year period beginning March 31, 2017. The second installment date is March 31, 2018, followed by the third installment date on March 31, 2019. The reporting person was granted options on April 1, 2016. Options vest in 3 equal annual installments over a three year period beginning March 31, 2017. The second installment date is March 31, 2018, followed by the third installment date on March 31, 2019. /s/ Joshua S. Horenstein 2016-04-04