VENTILATION ASSEMBLY

HEADWATERS INCORPORATED, TAPCO INTERNATIONAL CORPORATION, HEADWATERS RESOURCES, LLC (FKA HEADWATERS RESOURCES, INC.

from BANK OF AMERICA, N.A.

RELEASE OF SECURITY INTEREST Recorded 2017-05-11

HEADWATERS INCORPORATED, TAPCO INTERNATIONAL CORPORATION, HEADWATERS HEAVY OIL, LLC, HEADWATERS RESOURCES, INC.

from DEUTSCHE BANK AG NEW YORK BRANCH

RELEASE OF SECURITY INTEREST Recorded 2017-05-08

DEUTSCHE BANK AG NEW YORK BRANCH, AS ADMINISTRATIVE AGENT

from HEADWATERS HEAVY OIL, LLC, A UTAH CORPORATION, HEADWATERS INCORPORATED, AS GRANTOR, HEADWATERS RESOURCES, INC., A UTAH CORPORATION, TAPCO INTERNATIONAL CORPORATION, A MICHIGAN CORPORATION

SECURITY AGREEMENT Recorded 2015-03-27

HEADWATERS INCORPORATED, AS GRANTOR, HEADWATERS RESOURCES, INC., A UTAH CORPORATION, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC., A UTAH CORPORATION, HEADWATERS HEAVY OIL, LLC, A UTAH CORPORATION, TAPCO INTERNATIONAL CORPORATION, A MICHIGAN CORPORATION

from WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT

PATENT RELEASE (REEL:23699/FRAME:0452) Recorded 2015-03-26

WILMINGTON TRUST FSB, AS COLLATERAL AGENT

from HEADWATERS CTL, LLC, A UTAH LIMITED LIABILITY COMPANY, USA, HEADWATERS HEAVY OIL, LLC, A UTAH LIMITED LIABILITY COMPANY, USA, HEADWATERS INCORPORATED, A DELAWARE CORPORATION, HEADWATERS RESOURCES, INC., A UTAH CORPORATION, USA, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC., A UTAH CORPORATION, USA, TAPCO INTERNATIONAL CORPORATION, A MICHIGAN CORPORATION, USA

SECURITY AGREEMENT Recorded 2009-11-20

BANK OF AMERICA, N.A.

from HEADWATERS INCORPORATED, HEADWATERS RESOURCES, INC., TAPCO INTERNATIONAL CORPORATION

SECURITY AGREEMENT Recorded 2009-10-30

CURTIS-WRIGHT FLOW CONTROL CORPORATION, HEADWATERS CTL, LLC (SUCCESSOR TO HYDROCARBON TECHNOLOGIES, INC.), HEADWATERS TECHNOLOGY INNOVATION GROUP, INC. (SUCCESSOR TO HEADWATERS TECHNOLOGY INNOVATION LLC) AND INSTITUTE OF COAL CHEMISTRY, CROZZOLI, GUALTIERO, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC. (SUCCESSOR TO HEADWATERS TECHNOLOGY INNOVATION LLC), HEADWATERS RESOURCES, INC. (SUCCESSOR TO JTM INDUSTRIES, INC.), TAPCO INTERNATIONAL CORPORATION (SUCCESSOR TO MID AMERICA BUILDING PRODUCTS), TAPCO INTERNATIONAL CORPORATION (SUCCESSOR TO TAPCO PRODUCTS COMPANY, INC.), HEADWATERS INCORPORATED, HEADWATERS RESOURCES, INC., TAPCO INTERNATIONAL CORPORATION

from MORGAN STANLEY & CO. INCORPORATED

RELEASE OF SECURITY AGREEMENT Recorded 2009-10-29

CURTIS-WRIGHT FLOW CONTROL CORPORATION, HEADWATERS CTL., LLC (SUCCESSOR TO HYDROCARBON TECHNOLOGIES, INC.), HEADWATERS TECHNOLOGY INNOVATION GROUP, INC. (SUCCESSOR TO HEADWATERS TECHNOLOGY INNOVATION LLC) AND INSTITUTE OF COAL CHEMISTRY, CROZZOLI, GUALTIERO, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC. (SUCCESSOR TO HEADWATERS TECHNOLOGY INNOVATION LLC), HEADWATER RESOURCES, INC. (SUCCESSOR TO JTM INDUSTRIES, INC.), TAPCO INTERNATIONAL CORPORATION (SUCCESSOR TO MID AMERICA BUILDING PRODUCTS), TAPCO INTERNATIONAL CORPORATON (SUCCESSOR TO TAPCO PRODUCTS COMPANY, INC.), HEADWATERS INCORPORATED, HEADWATERS RESOURCES, INC., TAPCO INTERNATIONAL CORPORATION

from MORGAN STANLEY & CO. INCORPORATED

RELEASE OF SECURITY AGREEMENT Recorded 2009-10-29

MORGAN STANLEY & CO. INCORPORATED

from ACM BLOCK & BRICK GENERAL, INC., ACM BLOCK & BRICK PARTNER, LLC, ACM BLOCK & BRICK, LLC, ACM BLOCK & BRICK, LP, ACM FLEXCRETE, LP, ACM GEORGIA, INC., AMERICAN CONSTRUCTION MATERIALS, INC., ATLANTIC SHUTTER SYSTEMS, INC., BEST MASONRY & TOOL SUPPLY, INC., BUILDERS EDGE, INC., CHIHUAHUA STONE LLC, COMACO, INC., COVOL ENGINEERED FUELS, LC, COVOL SERVICES CORPORATION, DON'S BUILDING SUPPLY, L.P., EAGLE STONE & BRICK LLC, ELDORADO ACQUISITION, LLC, ELDORADO FUNDING CO., ELDORADO G-ACQUISITION CO., ELDORADO SC-ACQUISITION CO., ELDORADO STONE ACQUISITION CO., LLC, ELDORADO STONE CORPORATION, ELDORADO STONE FUNDING CO., LLC, ELDORADO STONE LLC, ELDORADO STONE OPERATIONS, LLC, GLOBAL CLIMATE RESERVE CORPORATION, HEADWATERS CLEAN COAL CORP., HEADWATERS HEAVY OIL, INC., HEADWATERS INCORPORATED, HEADWATERS NANOKINETIX, INC., HEADWATERS OLYSUB CORPORATION, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC., HTI CHEMICAL SUBSIDIARY, INC., HYDROCARBON TECHNOLOGIES, INC., ISG MANUFACTURED PRODUCTS, INC., ISG PARTNER, INC., ISG RESOURCES, INC., ISG SERVICES CORPORATION, ISG SWIFT CRETE, INC., L&S STONE LLC, L-B STONE LLC, LEWIS W. OSBORNE, INC., MAGNA WALL, INC., METAMORA PRODUCTS CORPORATION, METAMORA PRODUCTS CORPORATION OF ELKLAND, MTP, INC., NORTHWEST PROPERTIES LLC, NORTHWEST STONE & BRICK CO., INC., NORTHWEST STONE & BRICK LLC, PALESTINE CONCRETE TILE COMPANY, L.P., STONECRAFT INDUSTRIES LLC, TAPCO HOLDINGS, INC., TAPCO INTERNATIONAL CORPORATION, TEMPE STONE LLC, UNITED TERRAZZO SUPPLY CO., INC., VANTAGE BUILDING PRODUCTS CORPORATION, VFL TECHNOLOGY CORPORATION, WAMCO CORPORATION

SECOND LIEN IP SECURITY AGREEMENT Recorded 2004-10-28

MORGAN STANLEY & CO. INCORPORATED

from ACM BLOCK & BRICK GENERAL, INC., ACM BLOCK & BRICK PARTNER, LLC,, ACM BLOCK & BRICK, LLC,, ACM BLOCK & BRICK, LP,, ACM FLEXCRETE, LP,, ACM GEORGIA, INC.,, AMERICAN CONSTRUCTION MATERIALS, INC.,, ATLANTIC SHUTTER SYSTEMS, INC.,, BEST MASONRY & TOOL SUPPLY, INC.,, BUILDERS EDGE, INC.,, CHIHUAHUA STONE LLC,, COMACO, INC.,, COVOL ENGINEERED FUELS, LC,, COVOL SERVICES CORPORATION,, DON'S BUILDING SUPPLY, L.P.,, EAGLE STONE & BRICK LLC,, ELDORADO ACQUISITION, LLC,, ELDORADO FUNDING CO., ELDORADO G-ACQUISITION CO.,, ELDORADO SC-ACQUISITION CO.,, ELDORADO STONE ACQUISITION CO., LLC,, ELDORADO STONE CORPORATION,, ELDORADO STONE FUNDING CO., LLC,, ELDORADO STONE LLC,, ELDORADO STONE OPERATIONS LLC,, GLOBAL CLIMATE RESERVE CORPORATION,, HEADWATERS CLEAN COAL CORP.,, HEADWATERS HEAVY OIL, INC.,, HEADWATERS INCORPORATED, HEADWATERS NANOKINETIX, INC.,, HEADWATERS OLYSUB CORPORATION,, HEADWATERS TECHNOLOGY INNOVATION GROUP, INC.,, HTI CHEMICAL SUBSIDIARY, INC., HYDROCARBON TECHNOLOGIES, INC.,, ISG MANUFACTURED PRODUCTS, INC.,, ISG PARTNER, INC.,, ISG RESOURCES, INC.,, ISG SERVICES CORPORATION,, ISG SWIFT CRETE, INC.,, L&S STONE LLC,, L-B STONE LLC,, LEWIS W. OSBORNE, INC.,, MAGNA WALL, INC.,, METAMORA PRODUCTS CORPORATION OF ELKLAND,, METAMORA PRODUCTS CORPORATION,, MTP, INC.,, NORTHWEST PROPERTIES LLC,, NORTHWEST STONE & BRICK CO., INC.,, NORTHWEST STONE & BRICK LLC,, PALESTINE CONCRETE TILE COMPANY, L.P.,, STONECRAFT INDUSTRIES LLC,, TAPCO HOLDINGS, INC.,, TAPCO INTERNATIONAL CORPORATION,, TEMPE STONE LLC,, UNITED TERRAZZO SUPPLY CO., INC.,, VANTAGE BUILDING PRODUCTS CORPORATION,, VFL TECHNOLOGY CORPORATION,, WAMCO CORPORATION,

SECURITY AGREEMENT Recorded 2004-10-25

TAPCO INTERNATIONAL

from LAWLESS III, JACK, LAWLESS III, JACK, LOGAN, J. RICHARD, SCHIEDEGGER, CHARLES

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2001-10-12