Horsehead, Shell Sign Amended and Restated Option and Purchase Agreement

Horsehead Holding Corp. (Nasdaq: ZINC), today announced that its
wholly-owned subsidiary, Horsehead Corporation (“Horsehead”), has signed
an Amended and Restated Option and Purchase Agreement (“Agreement”) with
Shell Chemical LP that extends the period of time during which Shell can
continue to perform its evaluation of the Monaca location and exercise
its option to purchase the site. The Agreement also provides for the
start of demolition activities at the Monaca facility at Shell's
expense. Demolition is expected to commence in the first quarter of 2014
with respect to certain portions of the site.

See full press release