NICHE INDUSTRIAL CHEMICALS CLOSES PURCHASE OF UK-BASED FUSED MAGNESIA BUSINESS

NICHE INDUSTRIAL CHEMICALS CLOSES PURCHASE OF UK-BASED FUSED MAGNESIA BUSINESS - NICHE INDUSTRIAL CHEMICALS CLOSES PURCHASE OF UK-BASED FUSED

Gramercy, Louisiana – March 1, 2019 – NICHE Chemical LLC, the specialty products and chemicals
division of New Day Aluminum Holdings LLC, announces that it has acquired Imerys Fused Minerals Hull
Ltd. from Imerys UK Limited, a subsidiary of Imerys SA.

The acquired business, which will be renamed NICHE Fused Magnesia Limited, is located in Hull, England
and operates facilities producing a number of specialty magnesia products used in the electrical, friction,
ceramic, automotive and refractory industries. The acquisition is the company’s first move into the
United Kingdom, complementing its existing fused alumina business in LaBathie, France.

David D'Addario, CEO of New Day, commented, “We are excited at the opportunity to acquire the Hull
business, which is consistent with our strategy to further expand our product portfolio and geographical
footprint. This business is also an excellent fit for the expansion of our newly-branded NICHE specialty
products business while providing a growing European platform for New Day.”

John Habisreitinger, President of NICHE, added “This acquisition brings a brand-new product line into
our portfolio, with substantively similar technology to our fused alumina business in France. We are
pleased to welcome the NICHE Fused Magnesia business and its employees to the New Day family, and
excited for the opportunity to further expand on the strong half century plus history of this Hull based
business.”

About New Day: In addition to NICHE, which includes New Day’s chemical grade alumina, fused
alumina, and fused magnesia businesses, New Day’s holdings include Noranda Bauxite, located in St.
Ann, Jamaica, which mines and ships bauxite for metallurgical and non-metallurgical applications
globally, and Noranda Alumina, located in Gramercy, Louisiana, which produces smelter grade alumina
for the production of aluminum. New Day is principally owned by the partners of DADA Holdings. DADA
is an investment and management company based in Fort Lauderdale, Florida that makes control
investments and manages companies in basic industries, such as metals and mining.

Contact: John Habisreitinger
John.Habisreitinger@norandaalumina.com