Method of Transitioning from air to oxy and oxy to air fired combustion in a utility oxycombustion power plant

THE BABCOCK & WILCOX COMPANY, AMERICON EQUIPMENT SERVICES, INC., AMERICON, INC., APPLIED SYNERGISTICS, INC., B & W SERVICE COMPANY, BABCOCK & WILCOX CHINA HOLDINGS, INC., BABCOCK & WILCOX CONSTRUCTION CO., INC., BABCOCK & WILCOX DENMARK HOLDINGS, INC., BABCOCK & WILCOX EBENSBURG POWER, INC., BABCOCK & WILCOX EQUITY INVESTMENTS, INC., BABCOCK & WILCOX INTERNATIONAL SALES AND SERVICE CORPORATION, BABCOCK & WILCOX INTERNATIONAL, INC., DIAMOND OPERATING CO., INC., DIAMOND POWER AUSTRALIA HOLDINGS, INC., DIAMOND POWER CHINA HOLDINGS, INC., DIAMOND POWER EQUITY INVESTMENTS, INC., DIAMOND POWER INTERNATIONAL, INC., PALM BEACH RESOURCE RECOVERY CORPORATION, POWER SYSTEMS OPERATIONS, INC., REVLOC RECLAMATION SERVICE, INC., NATIONAL ECOLOGY COMPANY, NORTH COUNTY RECYCLING, INC.

from CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH

RELEASE OF SECURITY INTEREST Recorded 2010-08-03

CREDIT SUISSE, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT

from BABCOCK & WILCOX POWER GENERATION GROUP, INC. (FORMERLY KNOWN AS THE BABCOCK & WILCOX COMPANY)

AFTER-ACQUIRED INTELLECTUAL PROPERTY SECURITY AGREEMENT (FOURTH SUPPLEMENTAL FILING) Recorded 2008-07-18