X0306 4 2014-08-08 0 0001452575 Mead Johnson Nutrition Co MJN 0001078565 LEEMPUTTE PETER G 2701 PATRIOT BLVD. GLENVIEW IL 60026 0 1 0 0 EVP and CFO Common Stock 2014-08-08 4 M 0 35000 26.58 A 94026.9229 D Common Stock 2014-08-08 4 M 0 15348 78.26 A 109374.9229 D Common Stock 2014-08-08 4 S 0 50348 91.5876 D 59026.9229 D Common Stock 2014-08-08 4 S 0 25864 91.5117 D 33162.9229 D Stock Option (Right to Buy) 26.58 2014-08-08 4 M 0 35000 D 2019-03-10 Common Stock 35000 44086 D Stock Option (Right to Buy) 78.26 2014-08-08 4 M 0 15348 D 2022-03-02 Common Stock 15348 7675 D The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 25, 2014. The price reported is a weighted average sale price. The shares were sold in multiple same-way transactions on August 8, 2014 at prices ranging from $91.20 to $92.00 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 August 8, 2014 at prices ranging from $91.20 to $91.83 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 vested in four equal annual installments beginning on March 11, 2010, which was the first anniversary of the date on which the stock option was granted. The stock options 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 stock options. This portion of the stock option is vested and exercisable. The stock option vested 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 2014-08-11