X0305 4 2012-05-25 0001452575 Mead Johnson Nutrition Co MJN 0001455774 Urbain Charles M 2701 PATRIOT BOULEVARD GLENVIEW IL 60026-8039 1 President, Asia and Europe Common Stock 2012-05-25 4 M 0 22596.0000 26.5800 A 47297.0000 D Common Stock 2012-05-25 4 F 0 13603.0000 83.0200 D 33694.0000 D Common Stock 2012-05-29 4 S 0 8993.0000 83.3030 D 24701.0000 D Stock Option (Right to Buy) 26.5800 2012-05-25 4 M 0 22596.0000 0.0000 D 2019-03-10 Common Stock 22596.0000 11298.0000 D Represents shares of MJN common stock withheld to cover both the exercise price and the payment of taxes in connection with the exercise of the stock option. The price reported is a weighted average sale price. The shares were sold in 81 same-way transactions on May 29, 2012 at prices ranging from $83.25 to $83.34 per share of common stock. If requested by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, the reporting person will provide full information regarding the number of shares of common stock sold at each separate price. This portion of the stock option is vested and exercisable. The stock option was granted to the reporting person, and was not sold to the reporting person. As such, the reporting person did not pay any consideration for the stock option. /s/ Eryk J. Spytek, Attorney-in-Fact 2012-05-29