X0303 4/A 2011-03-01 2011-03-03 0001364099 Innophos Holdings, Inc. IPHS 0001379635 Farran William 259 PROSPECT PLAINS ROAD CRANBURY NJ 08512 1 VP & General Counsel Common Stock 2011-03-01 4 A 0 19000 42.50 A 41869 D Common Stock 2011-03-01 4 F 0 5176 42.50 D 36693 D Represents distribution of vested Performance Shares from 2008-2010 performance cycle previously awarded under Long Term Incentive Plan. Represents number of Performance Shares withheld for tax purposes. This amendment corrects an incorrect number of shares originally reported. The original number of shares reported was 39,305, however, the correct number is 41,869. This amendment corrects an incorrect number of shares originally reported. The original number of shares reported was 34,129, however, the correct number is 36,693. William Farran 2011-05-19