Common use of FORM OF BORROWING BASE CERTIFICATE Clause in Contracts

FORM OF BORROWING BASE CERTIFICATE. This Borrowing Base Certificate (the "Certificate") is delivered pursuant to Section 9.2 of the Revolving Credit and Security Agreement, dated September 28, 2011, (as the same may hereafter be amended, restated, supplemented or otherwise modified from time to time, the "Credit Agreement"), by and among Horsehead Corporation, a Delaware corporation (the "Borrower"), the Guarantors (as defined therein) party thereto, PNC Bank, National Association ("PNC Bank") and various other financial institutions from time to time (PNC Bank and such other financial institutions are each a "Lender" and collectively, the "Lenders"), and PNC Bank, as administrative and collateral agent for the Lenders (in such capacity, the "Agent"). Unless otherwise defined herein, capitalized terms used herein have the meanings provided in the Credit Agreement. The undersigned hereby certifies that [he/she] is the [President] [Chief Financial Officer] [Controller] of the Borrower and that, as such, [he/she] is authorized to execute this Certificate on behalf of the Borrower and further certifies that: For purposes of this Certificate, the date for which the Formula Amount is being calculated is _______________, 201_ (the "Calculation Date").

FORM OF BORROWING BASE CERTIFICATE. This Borrowing Base Certificate (the "Certificate") is delivered pursuant to Section 9.2 of the Revolving Credit and Security Agreement, dated September 28December __, 20112012, (as the same may hereafter be amended, restated, supplemented or otherwise modified from time to time, the "Credit Agreement"), by and among Horsehead CorporationZochem Inc., a Delaware corporation Canada Corporation (the "Borrower"), the Guarantors (as defined therein) party thereto, PNC Bank, National Association Canada Branch ("PNC Bank") and various other financial institutions from time to time (PNC Bank and such other financial institutions are each a "Lender" and collectively, the "Lenders"), and PNC Bank, as administrative and collateral agent for the Lenders (in such capacity, the "Agent"). Unless otherwise defined herein, capitalized terms used herein have the meanings provided in the Credit Agreement. The undersigned hereby certifies that [he/she] is the [President] [Chief Financial Officer] [Controller] of the Borrower and that, as such, [he/she] is authorized to execute this Certificate on behalf of the Borrower and further certifies that: For purposes of this Certificate, the date for which the Formula Amount is being calculated is _______________, 201_ (the "Calculation Date").