Clean Harbors Inc. Announces Cash Tender Offer For Any And All Of Its Outstanding $490.0 Million 7⅝% Senior Secured Notes Due 2016

Clean Harbors CLH announced today that it is commencing a tender offer to purchase any and all of its outstanding $490.0 million aggregate principal amount of 7⅝% Senior Secured Notes due 2016 (the “Notes”) through a cash tender offer (the “Tender Offer”) with a portion of the proceeds from the Company's concurrent private placement of Senior Notes due 2020 (the “New Notes”), which was also announced today by the Company. The Tender Offer will expire at midnight New York City time on August 10, 2012, unless the Tender Offer is extended or earlier terminated (the “expiration date”). Under the terms of the Tender Offer, holders of the Notes who validly tender and do not validly withdraw their Notes and consents prior to 5:00 p.m. New York City time on July 27, 2012, such time and date which may be extended (the “consent date”) will receive an amount equal to $1,041.38 per $1,000.00 in principal amount of Notes validly tendered and not validly withdrawn, which amount is inclusive of a consent payment equal to $30.00 per $1,000.00 in principal amount of the Notes validly tendered and not validly withdrawn. Holders of the Notes who validly tender their Notes after the consent date but on or before the expiration date will receive an amount equal to $1,011.38 per $1,000.00 in principal amount of Notes validly tendered. Holders whose Notes are purchased in the Tender Offer will also be paid accrued and unpaid interest from the most recent interest payment date on the Notes to, but not including, the settlement date.