U.S. Exchange Stock List

Alcoa Corporation

Barrick Gold Corporation

Advanced Emissions Solutions, Inc.

Aegion Corp

Agnico Eagle Mines Limited

The AES Corporation

First Majestic Silver Corp.

Alamos Gold Inc.

Argan, Inc.

Aluminum Corporation of China Limited

Albany International Corporation

AK Steel Holding Corporation

Albemarle Corporation

Ameresco, Inc.

A-Mark Precious Metals, Inc.

Amyris, Inc.

Aemetis, Inc

American Woodmark Corporation

Air Products and Chemicals, Inc.

Asia Pacific Wire & Cable Corporation Limited

Aqua Metals, Inc.

AdvanSix Inc.

Allegheny Technologies Incorporated

Attis Industries Inc.

Attis Industries Inc.

AngloGold Ashanti Limited

Yamana Gold Inc.

American Vanguard Corporation

Axalta Coating Systems Ltd.

Braskem S.A.

Brookfield Business Partners L.P.

Balchem Corporation

Belden Inc

BHP Billiton Limited

TopBuild Corp.

Buenaventura Mining Company Inc.

China Advanced Construction Materials Group, Inc.

Cabot Corporation

Chemours Company (The)

Cameco Corporation

Coeur Mining, Inc.

Codexis, Inc.

Celanese Corporation

Century Aluminum Company

CF Industries Holdings, Inc.

China Green Agriculture, Inc.

Ciner Resources LP

Cliffs Natural Resources Inc.

Clean Harbors, Inc.

Clearwater Paper Corporation

Calyxt, Inc.

Commercial Metals Company

Compass Minerals International, Inc.

Carpenter Technology Corporation

Crown Crafts, Inc.

Carlisle Companies Incorporated

Constellium N.V.

CSW Industrials, Inc.

CTI Industries Corporation

Culp, Inc.

Covanta Holding Corporation

Cavco Industries, Inc.

Covia Holdings Corporation

Delta Technology Holdings Limited

Masonite International Corporation

DRDGOLD Limited

DowDuPont Inc.

Dycom Industries, Inc.

Ecolab Inc.

Eldorado Gold Corporation

Emerge Energy Services LP

Eastman Chemical Company

Enviva Partners, LP

Evogene Ltd.

Endeavour Silver Corporation

Fortune Brands Home & Security, Inc.

Fibria Celulose S.A.

Freeport-McMoran, Inc.

FutureFuel Corp.

Fluor Corporation

FMC Corporation

Franco-Nevada Corporation

Ferro Corporation

Fortuna Silver Mines Inc.

L.B. Foster Company

Flotek Industries, Inc.

H. B. Fuller Company

GCP Applied Technologies Inc.

Gevo, Inc.

Gafisa SA

Gold Fields Limited

Goldcorp Inc.

Great Lakes Dredge & Dock Corporation

Glatfelter

Corning Incorporated

Randgold Resources Limited

Green Plains Partners LP

Green Plains, Inc.

W.R. Grace & Co.

Grana y Montero S.A.A.

Gulf Resources, Inc.

Granite Construction Incorporated

Hudbay Minerals Inc.

Heritage-Crystal Clean, Inc.

Hi-Crush Partners LP

Hecla Mining Company

Harmony Gold Mining Company Limited

Huntsman Corporation

Hexcel Corporation

Hydrogenics Corporation

Church & Dwight Company, Inc.

China Natural Resources, Inc.

Charah Solutions, Inc.

Iamgold Corporation

Installed Building Products, Inc.

Israel Chemicals Shs

Internationa Flavors & Fragrances, Inc.

International Flavors & Fragrances, Inc.

Innospec Inc.

International Paper Company

Intrepid Potash, Inc

Jacobs Engineering Group Inc.

JELD-WEN Holding, Inc.

KBR, Inc.

Kinross Gold Corporation

Kirkland Lake Gold Ltd.

KMG Chemicals, Inc.

Koppers Holdings Inc.

Kraton Corporation

Kronos Worldwide Inc

KapStone Paper and Packaging Corporation

Quaker Chemical Corporation

Lithium Americas Corp.

Lennar Corporation

Lennar Corporation

Limbach Holdings, Inc.

Loop Industries, Inc.

Louisiana-Pacific Corporation

Luxfer Holdings PLC

Lsb Industries Inc.

LyondellBasell Industries NV

Masco Corporation

Marrone Bio Innovations, Inc.

MDU Resources Group, Inc.

Methanex Corporation

Mercer International Inc.

Martin Marietta Materials, Inc.

Mosaic Company (The)

Mountain Province Diamonds Inc.

Mesabi Trust

ArcelorMittal

Mechel PAO

Matrix Service Company

Minerals Technologies Inc.

MasTec, Inc.

McEwen Mining Inc.

MYR Group, Inc.

Newmont Mining Corporation

NewMarket Corporation

Newater Technology, Inc.

Nexa Resources S.A.

Ingevity Corporation

NL Industries, Inc.

Neenah Paper, Inc.

EnPro Industries

Nutrien Ltd.

Nucor Corporation

Northwest Pipe Company

Optical Cable Corporation

Orion Engineered Carbons S.A

Olin Corporation

OMNOVA Solutions Inc.

Opiant Pharmaceuticals, Inc.

Osisko Gold Royalties Ltd

Orion Group Holdings, Inc.

Norbord Inc.

Ossen Innovation Co., Ltd.

Pan American Silver Corp.

Platform Specialty Products Corporation

Patrick Industries, Inc.

Pacific Ethanol, Inc.

Perma-Fix Environmental Services, Inc.

Procter & Gamble Company (The)

Pershing Gold Corporation

POSCO

Preformed Line Products Company

PolyOne Corporation

PPG Industries, Inc.

PQ Group Holdings Inc.

Primoris Services Corporation

Pretium Resources, Inc.

Praxair, Inc.

Renewable Energy Group, Inc.

REX American Resources Corporation

Resolute Forest Products Inc.

Royal Gold, Inc.

Real Goods Solar, Inc.

Rio Tinto Plc

Arcadia Biosciences, Inc.

Construction Partners, Inc.

Rogers Corporation

RPM International Inc.

Reliance Steel & Aluminum Co.

Rayonier Advanced Materials Inc.

Ryerson Holding Corporation

Seabridge Gold, Inc.

Sibanye Gold Limited

Southern Copper Corporation

Stepan Company

Sealed Air Corporation

Synthesis Energy Systems, Inc.

SINOPEC Shangai Petrochemical Company, Ltd.

Select Interior Concepts, Inc.

Skyline Champion Corporation

U.S. Silica Holdings, Inc.

Sharps Compliance Corp

Scotts Miracle-Gro Company (The)

Smart Sand, Inc.

SenesTech, Inc.

Sociedad Quimica y Minera S.A.

Stericycle, Inc.

SSR Mining Inc.

Steel Dynamics, Inc.

Sterling Construction Company Inc

Summit Materials, Inc.

Schweitzer-Mauduit International, Inc.

SunCoke Energy, Inc.

SunCoke Energy Partners, L.P.

Sensient Technologies Corporation

Synalloy Corporation

Tahoe Resources, Inc.

Tantech Holdings Ltd.

Teck Resources Ltd

Timken Steel Corporation

Tutor Perini Corporation

Trex Company, Inc.

Tronox Limited

Turquoise Hill Resources Ltd.

Tenaris S.A.

Trinseo S.A.

Titan International, Inc.

Ternium S.A.

CVR Partners, LP

Universal Forest Products, Inc.

Domtar Corporation

Unilever PLC

Unilever NV

Universal Stainless & Alloy Products, Inc.

United States Lime & Minerals, Inc.

VALE S.A.

Valhi, Inc.

Vulcan Materials Company

Venator Materials PLC

Verso Corporation

Versum Materials, Inc.

Valvoline Inc.

WD-40 Company

Westlake Chemical Corporation

Westlake Chemical Partners LP

Wheaton Precious Metals Corp.

West Pharmaceutical Services, Inc.

Westwater Resources, Inc.

United States Steel Corporation

Xinyuan Real Estate Co Ltd

Xerium Technologies, Inc.

Yield10 Bioscience, Inc.

Olympic Steel, Inc.