EX-99.18
Exhibit 99.18
CONSENT OF PERSON ABOUT TO BECOME A DIRECTOR
     Pursuant to Rule 438 promulgated under the Securities Act of 1933, as amended, the undersigned hereby consents to be named as a person about to become a director of Schering-Plough Corporation (to be renamed Merck & Co., Inc.) in the Registration Statement on Form S-4 filed by Schering-Plough Corporation with the Securities and Exchange Commission (File No. 333-159371) under the Securities Act of 1933, as amended.
         
     
  /s/ Carlos E. Represas    
  Name:   Carlos E. Represas   
     
 
June 12, 2009