0000950123-10-054501 Sample Contracts

Heritage-Crystal Clean, Inc. 2,750,000 Shares of Common Stock1 Underwriting Agreement

Heritage-Crystal Clean, Inc. • June 1st, 2010 • Sanitary services • Illinois

• Company
  Heritage-Crystal Clean, Inc.
• Filed
  June 1st, 2010
• Industry
  Sanitary services
• Jurisdiction
  Illinois

William Blair & Company, L.L.C. As Representative of the Several Underwriters Named in Schedule A c/o William Blair & Company, L.L.C. 222 West Adams Street Chicago, Illinois 60606