Name

Registered

Alabama Sand and Gravel, Inc.

United States

Alden Resources, LLC

United States

Alden Sales Corporation, LLC

United States

ARL Resources, LLC

United States

Core Metals Group Holdings, LLC

United States

Core Metals Group, LLC

United States

Gatliff Services, LLC

United States

GBG Holdings, LLC

United States

Globe Metallurgical Inc.

United States

Globe Metals Enterprises, Inc.

United States

GSM Alloys I, Inc.

United States

GSM Alloys II, Inc.

United States

GSM Enterprises Holdings, Inc.

United States

GSM Enterprises, LLC

United States

GSM Sales, Inc.

United States

LF Resources, Inc.

United States

Metallurgical Process Materials, LLC

United States

Norchem, Inc.

United States

QSIP Canada ULC

Canada

Quebec Silicon General Partner

Canada

Quebec Silicon Limited Partnership

Canada

Tennessee Alloys Company, LLC

United States

West Virginia Alloys, Inc.

United States

WVA Manufacturing, LLC

United States

Cuarzos Industriales, S.A.U.

Spain

Ferroatlántica del Cinca, S.L.

Spain

Ferroatlántica de Sabón, S.L.U.

Spain

Ferroatlántica de Boo, S.L.U.

Spain

Ferroglobe Mangan Norge AS

Norway

Ferroglobe Manganese France SAS

France

FerroPem, S.A.S.

France

Ferrous Receivables DAC.

Ireland

Grupo FerroAtlántica, S.A.U

Spain

Kintuck (France) SAS

France

Kintuck AS

Norway

Rocas, Arcillas y Minerales, S.A.

Spain

Rebone Mining (Pty.), Ltd.

South Africa

Silicon Smelters (Pty.), Ltd.

South Africa

Silicon Technology (Pty.), Ltd.

South Africa

Thaba Chueu Mining (Pty.), Ltd.

South Africa

Samquarz Proprietary Limited

South Africa

Actifs Solaires Bécancour, Inc

Canada

Cuarzos Indus. de Venezuela (Cuarzoven), S.A.

Venezuela

Emix, S.A.S.

France

ECPI, Inc.

United States

FerroAtlántica Canada Company Ltd

Canada

Ferroatlántica de México, S.A. de C.V.

Mexico

Ferroatlántica de Venezuela (FerroVen), S.A.

Venezuela

Ferroatlántica Deutschland, GmbH

Germany

Ferroatlántica do Brasil Mineraçao Ltda.

Brazil

Ferroatlántica I+D, S.L.U.

Spain

Ferroatlántica Participaciones, S.L.U.

Spain

FerroAtlántica International Ltd

United Kingdom

Ferroatlántica y Cía., F. de Ferroaleac. y Metales, S.C.

Spain

Ferroatlántica, S.A.U.

Spain

Ferroglobe Services (UK) PLC

United Kingdom

FerroManganese Mauritania SARL

Mauritania

Ferroquartz Company Inc.

Canada

Ferroquartz Holdings, Ltd (Hong Kong)

Hong Kong

FerroQuartz Mauritania SARL

Mauritania

Ferrosolar OPCO Group SL.

Spain

Ferrosolar R&D SL.

Spain

FerroTambao, SARL

Burkina Faso

Globe Metales S.R.L.

Argentina

Globe Metallurgical Carbon, LLC

United States

Globe Specialty Metals, Inc.

United States

Grupo FerroAtlántica de Servicios, S.L.U.

Spain

GSM Netherlands, BV

Netherlands

Laurel Ford Resources, Inc.

United States

MST Financial Holdings, LLC

United States

MST Financial, LLC

United States

MST Resources, LLC

United States

Ningxia Yonvey Coal Industrial Co., Ltd.

China

Photosil Industries, SAS

France

Silicio Ferrosolar, SLU

Spain

Solsil, Inc.

United States

Ultracore Energy SA

Argentina