X0306 4 2014-02-28 0 0001452575 Mead Johnson Nutrition Co MJN 0001555624 De Weerdt Tom 2701 PATRIOT BLVD. GLENVIEW IL 60026 0 1 0 0 VP, Corporate Controller Performance Shares 2014-02-28 4 A 0 588 A Common Stock 588 588 D Stock Option (Right to Buy) 81.55 2014-02-28 4 A 0 3830 A 2024-02-28 Common Stock 3830 3830 D Restricted Stock Unit (RSU) 2014-02-28 4 A 0 751 A 2018-02-28 2018-02-28 Common Stock 751 751 D Represents the current tranche of performance shares earned under the 2013 - 2015 performance share award as of February 28, 2014, at which date the Compensation and Management Development Committee certified the extent to which the 2013 performance criteria were met. Each earned performance share represents the contingent right to receive one share of common stock. Each performance share will convert into one share of common stock upon vesting and settlement in the first quarter of 2016. The derivative securities were granted to the reporting person, and were not sold to the reporting person. As such, the reporting person did not pay any consideration for the derivative securities. One-third of the stock option will vest on each of the first, second and third anniversaries of the grant date. Each restricted stock unit represents the contingent right to receive one share of common stock. /s/ Erin R. McQuade, attorney-in-fact 2014-03-04