SIGMA-ALDRICH CORPORATION 07/05/2013 AGM
1.aRe-elect Rebecca M. BergmanFor
1.bRe-elect George M. ChurchFor
1.cElect Michael L. MarberryFor
1.dRe-elect W. Lee McCollumOppose
1.eRe-elect Avi M. NashFor
1.fRe-elect Steven M. PaulFor
1.gRe-elect J. Pedro ReinhardOppose
1.hRe-elect Rakesh SachdevFor
1.iRe-elect D. Dean SpatzOppose
1.jRe-elect Barrett A. ToanOppose
2Appoint the auditorsFor
3Approve Pay StructureAbstain