X0306 4 2013-01-15 0 0001452575 Mead Johnson Nutrition Co MJN 0001455775 Golsby Stephen W 2701 PATRIOT BLVD. GLENVIEW IL 60026 1 1 0 0 President and CEO Common Stock 2013-01-15 4 S 0 10000 69.2541 D 51127 D The transaction reported on this Form 4 was effected pursaunt to a Rule 10b5-1 trading plan adopted by the reporting person on October 29, 2012. The price reported is a weighted average sale price. The shares were sold in multiple same-way transactions on January 15, 2013 at prices ranging from $69.15 to $69.34 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. /s/ Erin R. McQuade, attorney-in-fact 2013-01-15