BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited,...

BA Holdings, Inc., U.S.

Biggleswick Limited, England and Wales

GTM Technologies LLC, U.S.

Lumina Trustee Limited, England and Wales

Luxfer Australia PTY Limited, Australia

Luxfer Canada Limited, Canada

Luxfer Gas Cylinders (Shanghai) Co., Limited, People’s Republic of China

Luxfer Gas Cylinders China Holdings Limited, England and Wales

Luxfer Gas Cylinders Limited, England and Wales

Luxfer Gas Cylinders S.A.S., France

Luxfer Germany GmBH, Germany

Luxfer Group 2000 Limited, England and Wales

Luxfer Group Limited, England and Wales

Luxfer Group Services Limited, England and Wales

Luxfer Group UK Pension Trustee Limited, England and Wales

Luxfer Magtech International Limited, England and Wales

Luxfer Magtech, Inc., U.S.

Luxfer Overseas Holdings Limited, England and Wales

Luxfer, Inc. U.S.

Magnesium Elektron Limited, England and Wales

Magnesium Elektron North America, Inc. U.S.

XXX Chemicals, Inc., U.S.

Niagra Metallurgical Products Limited, Canada

Reade Manufacturing, Inc., U.S.