Idenix Pharmaceuticals, Inc. Non-Employee Directors Compensation Plan Summary (Effective March 1, 2005)

Summary

Idenix Pharmaceuticals, Inc. provides its independent directors with an annual retainer of $30,000, plus an additional $5,000 per year for each Board committee chaired. Directors are reimbursed for expenses related to attending Board and committee meetings. They also receive stock options: 15,000 shares upon appointment, and 20,000 shares at each annual meeting after election. If a director is appointed between annual meetings, the annual stock option award is prorated. This plan outlines the compensation structure for non-employee directors serving on the company's Board.

EX-10.27 6 b53346ipexv10w27.txt EX-10.27 NONEMPLOYEES DIRECTOS COMPENSATION PLAN Exhibit 10.27 Summary of Directors Compensation Plan Effective as of March 1, 2005, the independent directors of Idenix Pharmaceuticals, Inc. receive the following compensation for their service on our Board of Directors: - $30,000 per year retainer plus $5,000 per year for each committee of the Board which the director chairs; - expense reimbursement for attending Board and committee meetings; and - the opportunity to participate in our equity compensation plan with awards of equity compensation occurring as follows: - upon appointment - options to purchase 15,000 shares of common stock - at each annual meeting after election - options to purchase 20,000 shares of common stock - if appointment to the board occurs to fill a vacancy or otherwise at a time other than immediately after the annual meeting of stockholders - the annual award of options to purchase 20,000 shares will be prorated from the date of appointment to the date of the next annual meeting of stockholders.