ACHN 2018 Proxy Statement

Compensation Committee Interlocks and Insider Participation For 2017, the members of the Compensation Committee were Messrs. Frashier, Graves, Scheer and Dr. Verwiel. No current member of the Compensation Committee or member of the Compensation Committee during 2017 was at any time an officer or employee of ours or any subsidiary of ours. Messrs. Frashier, Graves, Scheer and Dr. Verwiel have not had any relationship with us requiring disclosure under Item 404 of Regulation S-K under the Exchange Act. No executive officer of Achillion has served as a director or member of a compensation committee (or other committee serving an equivalent function) of any other entity, one of whose executive officers served as a director of or member of our Compensation Committee. 55