X0306 4/A 2014-04-14 2014-04-16 0 0001069899 PHIBRO ANIMAL HEALTH CORP PAHC 0001363803 Mayflower L.P. 22 GRENVILLE STREET ST. HELIER Y9 JE4 8PX JERSEY 0 0 1 0 Common Stock 2014-04-14 4 J 0 20610000 D 0 I See Footnote Class A Common Stock 2014-04-14 4 J 0 9109620 A 9109620 I See Footnote Class A Common Stock 2014-04-16 4 S 0 6323867 13.9875 D 2785753 I See Footnote Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer filed with the Secretary of State of Delaware on April 14, 2014, each share of Common Stock was reclassified as and converted into 0.442 shares of a single class of Class A Common Stock, resulting in an exempt disposition to the Issuer pursuant to Rule 16b-3(e) and Rule 16b-7(a)(2), and a corresponding exempt acquisition from the Issuer pursuant to Rule 16b-3(d) and Rule 16b-7(a)(1), in each case, as promulgated under the Securities Exchange Act of 1934. Shares are directly held by Mayflower LP ("Mayflower"). Investment and divestment decisions with respect to the shares held by Mayflower are made by the investment committee of 3i Investments plc, which is the manager of Mayflower. 3i Investments plc is an indirect wholly owned subsidiary of 3i Group plc, a public company listed on the London Stock Exchange. 3i Investments plc is advised by 3i Corporation, which is also an indirect wholly owned subsidiary of 3i Group plc. Due to an inadvertent error in the percentage of beneficial ownership calculation, the Reporting Persons checked the box indicating that they were no longer subject to Section 16. This Amendment is being filed to un-check that box. /s/ Alastair Richardson, authorized signatory for 3i Investments plc, acting as manager of Mayflower LP 2014-12-10 /s/ Alastair Richardson, authorized signatory for 3i Investments plc 2014-12-10