X0306 4 2014-12-24 0 0001452575 Mead Johnson Nutrition Co MJN 0001455752 P'Pool William 2701 PATRIOT BLVD GLENVIEW IL 60026 0 1 0 0 Sr.VP, Gen Counsel & Secretary Common Stock 2014-12-24 4 M 0 7674 78.26 A 16548 D Common Stock 2014-12-24 4 M 0 4827 74.65 A 21375 D Common Stock 2014-12-24 4 S 0 20575 101.1957 D 800 D Common Stock 2014-12-24 4 S 0 800 101.7838 D 0 D Common Stock 1.624 I By MJN 401(k) Stock Option (Right to Buy) 74.65 2014-12-24 4 M 0 4827 0.00 D 2023-02-27 Common Stock 4827 9655 D Stock Option (Right to Buy) 78.26 2014-12-24 4 M 0 7674 0.00 D 2022-03-02 Common Stock 7674 3838 D The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2014. The price reported is a weighted average sale price. The shares were sold in multiple same-way transactions on December 24, 2014 at prices ranging from $100.75 to $101.74 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. The price reported is a weighted average sale price. The shares were sold in multiple same-way transactions on December 24, 2014 at prices ranging from $101.76 to $101.82 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 vests in three equal annual installments beginning on February 27, 2014 which was the first anniversary of the date on which the stock option was granted. 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. This portion of the stock option is vested and exercisable. The stock option vests in three equal annual installments beginning on March 2, 2013 which was the first anniversary of the date on which the stock option was granted. /s/ Erin R. McQuade, attorney in fact 2014-12-29