Clean Harbors Inc Announces Follow-On Offering Of Common Stock

Clean Harbors Inc announced that it has commenced a follow-on public offering of 6.0 million shares of its common stock. The underwriters for the offering will also have the option to purchase up to an additional 900,000 shares of common stock. Clean Harbors intends to use the net proceeds of the offering to finance a portion of the purchase price for its previously announced proposed acquisition of Safety-Kleen, Inc. and its subsidiaries and related transaction fees and expenses. Goldman, Sachs & Co. is acting as the sole book-running manager of the offering. BofA Merrill Lynch and Credit Suisse Securities (USA) LLC are acting as co-managers. The shares are being offered only pursuant to the preliminary prospectus supplement to the base prospectus included in a registration statement, which was filed with the Securities and Exchange Commission and became effective on November 26, 2012.