X0305 4 2012-06-01 0001452575 Mead Johnson Nutrition Co MJN 0001455781 Hondmann Dirk 2701 PATRIOT BOULEVARD GLENVIEW IL 60026-8039 1 Sr. VP, Global Research & Dev Common Stock 2012-06-01 4 S 0 8242.0000 80.0318 D 10769.0000 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2012. The price reported is a weighted average sale price. The shares were sold in 13 same-way transactions on June 1, 2012 at prices ranging from $80.00 to $80.15 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/ Eryk J. Spytek, Attorney-in-Fact 2012-06-04