X0306 4 2013-01-14 0 0001254419 MEDASSETS INC MDAS 0001415804 GLENN JONATHAN H 100 NORTH POINT CENTER EAST SUITE 200 ALPHARETTA GA 30022 0 1 0 0 Chief Legal Officer Common Stock 2013-01-14 4 S 0 3334 19.01 D 31985 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 27, 2012. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.00 to $19.11, inclusive. The reporting person undertakes to provide to MedAssets, Inc., any security holder of MedAssets, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range noted. /s/ Christopher K. Logsdon, Attorney-In-Fact 2013-01-16