Horsehead and Shell Extend Option

  Horsehead and Shell Extend Option

Business Wire

PITTSBURGH -- June 28, 2013

Horsehead Holding Corp. (NASDAQ: ZINC), the parent company of Horsehead
Corporation, INMETCO, and Zochem, Inc., announced today that its wholly-owned
subsidiary, Horsehead Corporation, has signed an amendment to the Option &
Purchase Agreement with Shell Chemical LP that extends by an additional six
months the period of time during which Shell can perform its evaluation of the
Monaca site.

About Horsehead

Horsehead Holding Corp. (“Horsehead”) (Nasdaq: ZINC) is the parent company of
Horsehead Corporation, a leading U.S. producer of specialty zinc and
zinc-based products and a leading recycler of electric arc furnace dust; The
International Metals Reclamation Company (“INMETCO”), a leading recycler of
metals-bearing wastes and a leading processor of nickel-cadmium (NiCd)
batteries in North America; and Zochem Inc., a zinc oxide producer located in
Brampton, Ontario. Horsehead, headquartered in Pittsburgh, Pa., employs
approximately 1,100 people and has eight facilities throughout the U.S. and
Canada. Visit www.horsehead.net for more information.

Contact:

Horsehead Holding Corp.
Ali Alavi, Senior Vice President, 724-773-2212
 
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