

| SIGMA-ALDRICH CORPORATION | 05/05/2015 AGM | |
|---|---|---|
| 1a | Elect Rebecca M. Bergman | For |
| 1b | Elect George M. Church | For |
| 1c | Elect Michael L. Marberry | For |
| 1d | Elect W. Lee McCollum | Oppose |
| 1e | Elect Avi M. Nash | Oppose |
| 1f | Elect Steven M. Paul | For |
| 1g | Elect J. Pedro Reinhard | Oppose |
| 1h | Elect Rakesh Sachdev | For |
| 1i | Elect D. Dean Spatz | Oppose |
| 1j | Elect Barrett A. Toan | Oppose |
| 2 | Appoint the auditors | Oppose |
| 3 | Advisory vote on executive compensation | Oppose |