Merger

Security Interest May 5, 2004

From: PHILIP SERVICES CORPORATION

To: HIGH RIVER LIMITED PARTNERSHIP

Reel/Frame 014601/0007 →

Termination of Security Interest Jun 1, 2006

From: HIGH RIVER LIMITED PARTNERSHIP, AS EXIT LOAN COLLATERAL AGENT; HIGH RIVER LIMITED PARTNERSHIP, AS PIK/TERM COLLATERAL AGENT

To: PHILIP SERVICES CORPORATION

Reel/Frame 017718/0948 →

Termination of Security Interest Jun 1, 2006

From: WELLS FARGO FOOTHILL, INC. (FORMERLY KNOWN AS FOOTHILL CAPITAL CORPORATION), AS TRANCHE A COLLATERAL AGENT; WELLS FARGO FOOTHILL, INC. (FORMERLY KNOWON AS FOOTHILL CAPITAL CORPORATION), AS TRANCHE B COLLATERAL AGENT; HIGH RIVER LIMITED PARTNERSHIP, AS PIK/TERM COLLATERAL AGENT, A DELAWARE LIMITED PARTNERSHIP

To: PHILIP SERVICES CORPORATION; RESI ACQUISITION (DELAWARE) CORPORATION, A DELAWARE CORPORATION; 21ST CENTURY ENVIRONMENTAL MANAGEMENT, INC. OF RHODE ISLAND, A RHODE ISLAND CORPORATION; ADVANCED ENVIRONMENTAL SYSTEMS, INC., A NEW YORK CORPORATION

Reel/Frame 017846/0935 →

Amended & Restated Patent Security Agreement Apr 16, 2009

From: PSC, LLC; BURLINGTON ENVIRONMENTAL, LLC; NORTHLAND ENVIRONMENTAL, LLC; NORTRU, LLC

To: UBS AG, STAMFORD BRANCH, AS AGENT; BANK OF AMERICA, N.A., AS AGENT

Reel/Frame 022562/0110 →

Merger Jul 28, 2010

From: APLC, INC.

To: PSC INDUSTRIAL OUTSOURCING, LP

Reel/Frame 024741/0820 →

Termination and Release of Amended and Restated Patent Security Agreement Aug 3, 2010

From: UBS AG, STAMFORD BRANCH; BANK OF AMERICA, N.A.

To: PSC, LLC; BURLINGTON ENVIRONMENTAL, LLC; NORTHLAND ENVIRONMENTAL, LLC; NORTRU, LLC

Reel/Frame 024776/0797 →

Security Agreement Aug 4, 2010

From: BURLINGTON ENVIRONMENTAL, LLC; NORTRU, LLC; PSC, LLC; PHILIP HOLDINGS, LLC

To: ROYAL BANK OF CANADA

Reel/Frame 024785/0232 →

Release of Security Interest May 16, 2014

From: ROYAL BANK OF CANDA, AS COLLATERAL AGENT

To: PSC INDUSTRIAL OUTSOURCING, LP

Reel/Frame 032910/0047 →