X0206 3 2016-03-15 0 0001364099 Innophos Holdings, Inc. IPHS 0001670029 Horenstein Joshua 259 PROSPECT PLAINS RD. CRANBURY NJ 08512 1 Chief Legal Officer & Corp Sec Common Stock, Par Value $0.001 994 D 2012 Option to Purchase Common Stock 50.12 2022-03-30 Common Stock 440 D 2013 Option to Purchase Common Stock 54.59 2023-03-29 Common Stock 746 D 2014 Option to Purchase Common Stock 55.49 2024-03-28 Common Stock 1078 D 2015 Option to Purchase Common Stock 49.54 2025-03-31 Common Stock 1410 D Includes 680 restricted shares which are subject to certain vesting and forfeiture provisions. The reporting person was granted options on March 30, 2012. Options vested in three equal annual installments beginning on March 30, 2013. The reporting person was granted options on March 29, 2013. One third of the options vested on March 29, 2014, one third of the options vested on March 29, 2015, and one third of the options will vest on March 29, 2016. The reporting person was granted options on March 28, 2014. One third of the options vested on March 28, 2015. One third of the options will vest on each of March 28, 2016, and March 28, 2017. The reporting person was granted options on May 8, 2015. Options will vest in three equal annual installments beginning March 31, 2016. Exhibit 24 (Power of Attorney) attached /s/ Joshua S. Horenstein 2016-03-24