Document:

EX-10.1

 Exhibit 10.1 

Execution Version 

AMENDMENT NO. 5 AND WAIVER TO SENIOR SECURED SUPERPRIORITY DEBTOR-IN POSSESSION 

CREDIT, SECURITY AND GUARANTY AGREEMENT 

This AMENDMENT NO. 5 AND WAIVER TO SENIOR SECURED SUPERPRIORITY DEBTOR-IN-POSSESSION CREDIT, SECURITY AND GUARANTY AGREEMENT, dated as of
September 15, 2016 (this “Amendment”), is entered into by and among HORSEHEAD CORPORATION, a company organized under the laws of the State of Delaware (“Horsehead”), THE INTERNATIONAL METALS RECLAMATION
COMPANY, LLC, a limited liability company organized under the laws of the State of Delaware (“INMETCO”), HORSEHEAD METAL PRODUCTS, LLC, a limited liability company organized under the laws of the State of North Carolina
(“HMP”), ZOCHEM INC., a corporation incorporated pursuant to the Canada Business Corporations Act (“Zochem”) and HORSEHEAD HOLDING CORP., a corporation organized under the laws of the State of Delaware
(“Horsehead Holding” and, together with Horsehead, INMETCO, HMP and Zochem, each a “Borrower” and, collectively, the “Borrowers”), the Lenders party hereto and CANTOR FITZGERALD SECURITIES, as
Administrative Agent. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Credit Agreement referred to below. 

PRELIMINARY STATEMENTS: 

WHEREAS, the Borrowers, the Lenders from time to time party thereto, Cantor Fitzgerald Securities, as Administrative Agent, and the other
parties named therein are parties to the Senior Secured Superpriority Debtor-in-Possession Credit, Security and Guaranty Agreement, dated as of February 8, 2016 (as amended, restated, amended and restated, supplemented or otherwise modified
from time to time, the “Credit Agreement”); 
 WHEREAS, the Borrowers hereby inform the Administrative Agent and the
Lenders that certain Defaults or Events of Default exist under Section 7.01(c) of the Credit Agreement as a result of (i)(x) the order approving the Acceptable Plan not being entered by the Bankruptcy Court on or prior to August 31, 2016
as required under Section 5.18(h) of the Credit Agreement and (y) the order recognizing the order by the Bankruptcy Court approving the Acceptable Plan not being entered by the Canadian Court on or prior to September 2, 2016 as
required under Section 5.18(i) of the Credit Agreement (ii) the Borrowers’ certification that no Default or Event of Default had occurred and was continuing as set forth in the Borrower Request dated as of September 8, 2016 (the
“Specified Borrowing Request”) and (iii) the Borrower’s failure to promptly provide notice of the occurrence of the foregoing Defaults or Events of Default (the foregoing Defaults and/or Events of Default, collectively,
the “Specified Events of Default”); 
 WHEREAS, pursuant to Section 5.06(b) of the Credit Agreement, the consolidated
and consolidating balance sheets of Horsehead Holding and its Subsidiaries and certain other information and materials described in Section 5.06(b) of the Credit Agreement with respect to the month ending August 31, 2016 are required to be
delivered to the financial advisor and counsel to the Lenders and certain Lenders not later than 15 days after the end of the month ending August 31, 2016 (the “Monthly Financials Deadline”); 

WHEREAS, in accordance with Section 9.01 of the Credit Agreement, the Borrowers have requested that the Required Lenders agree to
(i) waive the Specified Events of Default, (ii) temporarily waive compliance with the Monthly Financials Deadline and (iii) make certain modifications to the Credit Agreement; and 

 WHEREAS, the Required Lenders have consented to (i) waive the Specified Events of Default,
(ii) temporarily waive compliance with the Monthly Financials Deadline and (iii) amend the Credit Agreement as provided herein. 

NOW, THEREFORE, in consideration of the premises and for other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the parties hereto agree as follows: 
 1.       Limited Waiver. 

(a)       Subject to the terms and conditions set forth herein, the Required Lenders hereby waive the Specified
Events of Default. 
 (b) Subject to the terms and conditions set forth herein, the Required Lenders hereby (i) waive compliance by
the Borrower of the Monthly Financials Deadline and (ii) consent to the delivery of the consolidated and consolidating balance sheets of Horsehead Holding and its Subsidiaries and certain other information and materials described in
Section 5.06(b) of the Credit Agreement with respect to the month ending August 31, 2016 to the financial advisor and counsel to certain Lenders on or prior to September 16, 2016. In order to induce the Required Lenders to execute
this Amendment, each Borrower agrees that any failure by the Borrowers to comply with the delivery of the consolidated and consolidating balance sheets of Horsehead Holding and its Subsidiaries and certain other information and materials described
in Section 5.06(b) of the Credit Agreement with respect to the month ending August 31, 2016 to the financial advisor and counsel to the Lenders and certain Lenders on or prior to September 16, 2016, shall constitute an immediate
Default under the Credit Agreement. 
 2.       Amendments to Credit Agreement. Sections 5.18(h),
5.18(i) and 5.18(j) of the Credit Agreement are hereby amended and restated in their entirety as follows: 
 “(h)     On or prior to September 9, 2016, entry by the Bankruptcy Court of an order approving the
Acceptable Plan;” 
 “(i)     On or prior to September 12, 2016, entry by the Canadian Court
of an order recognizing such order by the Bankruptcy Court approving the Acceptable Plan; and” 

“(j)     On or prior to September 30, 2016, the Consummation Date of the Acceptable Plan.” 

3.       Effectiveness of Amendment. The effectiveness of the agreements contained herein is conditioned
upon (the date on which such condition having been satisfied being referred to herein as the “Amendment Effective Date”), the Administrative Agent having received duly executed counterparts hereof which, when taken together, bear
the authorized signatures of (i) the Borrowers and (ii) the Required Lenders. 
 4.      
Reassertion of Representations and Warranties; No Default. After giving effect to this Amendment, on the Amendment Effective Date, each Borrower hereby (i) confirms that the 

  
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representations and warranties set forth in Article IV of the Credit Agreement and each other Loan Document are true and correct in all material respects (provided that such materiality qualifier
shall not apply if such representation or warranty is already subject to a materiality qualifier under Article IV of the Credit Agreement or such other Loan Document), except for representations and warranties made as of a specific earlier date,
which shall be true and correct in all material respects (provided that such materiality qualifier shall not apply if such representation or warranty is already subject to a materiality qualifier under Article IV of the Credit Agreement or such
other Loan Document) as of such earlier date, and (ii) there will exist no Default or Event of Default under the Loan Documents. The parties hereto agree that this Amendment shall constitute a Loan Document. 

5.       Ratification by Guarantors. Each of the Guarantors acknowledges that its consent to this
Amendment is not required, but each of the undersigned nevertheless does hereby agree and consent to this Amendment and to the documents and agreements referred to herein. Each of the Guarantors agrees and acknowledges that (i) notwithstanding
the effectiveness of this Amendment, such Guarantor’s Guaranty under the Credit Agreement shall remain in full force and effect without modification thereto and (ii) nothing herein shall in any way limit any of the terms or provisions of
such Guarantor’s Guaranty or any other Loan Document executed by such Guarantor (as the same may be amended from time to time), all of which are hereby ratified, confirmed and affirmed in all respects. Each of the Guarantors hereby agrees and
acknowledges that no other agreement, instrument, consent or document shall be required to give effect to this section. Each of the Guarantors hereby further acknowledges that the Borrowers, the Administrative Agent and any Lender may from time to
time enter into any further amendments, modifications, terminations and/or waivers of any provisions of this Amendment or other Loan Documents without notice to or consent from such Guarantor and without affecting the validity or enforceability of
such Guarantor’s Guaranty or giving rise to any reduction, limitation, impairment, discharge or termination of such Guarantor’s Guaranty. 

6.       No Amendments; Confirmation; Limited Purpose Amendment and Waiver. Except as expressly set forth
herein, this Amendment (a) shall not by implication or otherwise limit, impair, constitute a waiver of, or otherwise affect the rights and remedies of the Lenders or the Administrative Agent under the Credit Agreement or any other Loan Document
and (b) shall not alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement or any other Loan Document, all of which are ratified and affirmed in all respects
and shall continue in full force and effect as modified hereby. Nothing herein shall be deemed to entitle the Borrower Parties to a consent to, or a waiver, amendment, modification or other change of, any of the terms, conditions, obligations,
covenants or agreements contained in the Credit Agreement or any other Loan Document in similar or different circumstances. Notwithstanding anything to the contrary herein, the limited waiver set forth herein (i) is a limited waiver,
(ii) is limited to the express terms hereof, (iii) is effective only with respect to the specific instance and the specific purpose for which it is given and (iv) shall not be deemed a waiver for any other purpose and of any term,
condition, representation or covenant applicable to the Borrower Parties under the Credit Agreement and any other Loan Document except as expressly set forth in this Amendment. NOTWITHSTANDING THE LIMITED WAIVER SET FORTH IN THIS AMENDMENT, THE
LENDERS REQUIRE STRICT COMPLIANCE BY THE BORROWER PARTIES AT ALL TIMES WITH ALL TERMS, CONDITIONS AND PROVISIONS OF THE CREDIT AGREEMENT AND ANY OTHER LOAN DOCUMENT. On or after the Amendment Effective Date, any reference to the Credit Agreement
contained in the Loan Documents shall mean the Credit Agreement as amended hereby. 

  
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 7.       Release. Notwithstanding anything herein to the
contrary, effective as of the Amendment Effective Date, each Borrower Party covenants and agrees that the Borrower Parties unconditionally release and irrevocably discharge (i) the Lenders, (ii) the Administrative Agent, and (iii) the
respective officers, directors, attorneys, financial advisors, employees, managers, members, partners, agents, accountants and other professionals of the parties listed in clauses (i) and (ii), in each case, in their respective capacities as
such, (collectively clauses (i) through (iii) being the “Released Parties,” and each a “Released Party”) from any and all claims, obligations, suits, judgments, damages, rights, causes of action and liabilities
whatsoever, whether known or unknown, foreseen or unforeseen, existing or hereafter arising, in law, equity or otherwise, in all cases with respect to this Amendment, the Credit Agreement or any other Loan Document, based in whole or in part on any
act, omission, transaction or occurrence from the beginning of time through the Amendment Effective Date (collectively, the “Released Claims”); provided, however, to the extent that a Released Claim is determined by a court of competent
jurisdiction to have actually been caused by (x) the gross negligence or willful misconduct of a Released Party or (y) the material breach of the obligations of a Released Party (other than the Administrative Agent or any sub-agent
thereof) under the Loan Documents, such release shall not be available to such Released Party with respect to such Released Claim. 

8.       No Adverse Claim. Each Borrower warrants, acknowledges and agrees that no events have taken
place and no circumstances exist at the date hereof which would give such Borrower a basis to assert a defense, offset or counterclaim to any claim of the Administrative Agent or the Lenders with respect to the Obligations. 

9.       Successors and Assigns. This Amendment shall inure to the benefit of and be binding upon each of
the parties hereto, each Lender, and the successors and permitted assigns of each of the parties hereto and each Lender (subject to and in accordance with Section 9.07 of the Credit Agreement). 

10.     Counterparts. This Amendment may be executed by one or more of the parties to this Amendment on any number
of separate counterparts, and all of said counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of an executed signature page of this Amendment by facsimile transmission or other electronic transmission
(i.e., a “.pdf” or “.tif”) shall be effective as delivery of a manually executed counterpart hereof. 

11.     Entire Agreement. This Amendment, the other Loan Documents and the agreements, certificates and other
documents contemplated thereby constitute the entire contract between the parties relative to the subject matter hereof. Any other previous agreement among the parties with respect to the subject matter hereof is superseded by this Amendment, the
other Loan Documents and the agreements, certificates and other documents contemplated thereby. 
 12.     Governing
Law; Waiver of Jury Trial. THIS AMENDMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO ANY CHOICE-OF-LAW PROVISIONS THAT WOULD REQUIRE THE APPLICATION OF THE LAW OF ANOTHER
JURISDICTION AND, TO THE EXTENT APPLICABLE, THE BANKRUPTCY CODE. 

  
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 13.     Headings. The headings of this Amendment are for purposes of
reference only and shall not limit or otherwise affect the meaning hereof. 
 14.     Instruction to Administrative
Agent. Each of the Lenders signatory hereto (constituting Required Lenders) directs the Administrative Agent to execute this Amendment and authorizes the Administrative Agent to take action as agent on its behalf and to exercise such powers and
discretion under the Credit Agreement and the other Loan Documents as are delegated to the Administrative Agent by the terms thereof, together with such powers and discretion as are reasonably incidental thereto. The Borrowers and Lenders agree that
the indemnifications provided in Section 9.05 of the Credit Agreement apply to the foregoing instruction and the execution of this Amendment. 

[Signature Pages Follow] 

  
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 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and
delivered by their respective officers as of the day and year first above written. 
  

			
	HORSEHEAD CORPORATION
		
	By:	 	/s/ James M. Hensler
		 	  

	Name:	 	James Hensler
	Title:	 	Chief Executive Officer and President
	
	THE INTERNATIONAL METALS
RECLAMATION COMPANY, LLC
		
	By:	 	/s/ James M. Hensler
		 	  

	Name:	 	James Hensler
	Title:	 	Chief Executive Officer and President
	
	HORSEHEAD METAL PRODUCTS, LLC
		
	By:	 	/s/ James M. Hensler
		 	  

	Name:	 	James Hensler
	Title:	 	Chief Executive Officer and President
	
	HORSEHEAD HOLDING CORP.
		
	By:	 	/s/ James M. Hensler
		 	  

	Name:	 	James Hensler
	Title:	 	Chief Executive Officer and President
	
	ZOCHEM INC.
		
	By:	 	/s/ James M. Hensler
		 	  

	Name:	 	James Hensler
	Title:	 	Chief Executive Officer and President

  
 Amendment to
Senior Secured Superpriority Debtor-In-Possession Credit, Security and Guaranty Agreement 

			
	
	CANTOR FITZGERALD SECURITIES,
	 as Administrative Agent

		
	By:	 	/s/ James Bond
		 	  

	Name:	 	James Bond
	Title:	 	Chief Operating Officer

 [Lender signature pages on file with the Company] 

Amendment to Senior Secured Superpriority Debtor-In-Possession Credit, Security and Guaranty AgreementEX-10.2

 Exhibit 10.2 

EXECUTION VERSION 

AMENDMENT NO. 1 TO UNIT PURCHASE AND SUPPORT AGREEMENT 

THIS AMENDMENT NO. 1 TO UNIT PURCHASE AND SUPPORT AGREEMENT (this “Amendment”), dated as of August 30, 2016, is made by
and among (A) Horsehead Holding Corp. (as debtor in possession and a reorganized debtor, as applicable, the “Company”) on behalf of itself, and, subject to Section 10.1 of the Agreement (as defined below), each of the
other Debtors, and (B) the parties listed as “Plan Sponsors” on Schedule 1 hereto (each a “Plan Sponsor” and collectively, the “Plan Sponsors,” and, together with the Company, the
“Parties”). 
 Capitalized terms not defined herein have the meanings assigned to such terms in that certain Unit Purchase
and Support Agreement, dated as of July 11, 2016, by and among the Parties (the “Agreement”). 
 WHEREAS, pursuant to
Section 10.10 of the Agreement, the Parties desire to amend the Agreement as set forth herein. 
 NOW, THEREFORE, in consideration of
the foregoing preamble and recital, which shall constitute a part of this Amendment, and the mutual promises contained in this Amendment, and intending to be legally bound thereby, the Parties agree as follows. 

 

	 	1.	Amendments to Agreement. 

 (a) The definition of “ACC Purchase
Percentage” set forth in Section 1.1 of the Agreement is hereby amended and restated in its entirety to read as follows: 

““ACC Purchase Percentage” means, with respect to each Plan Sponsor, a percentage equal to the percentage set
forth next to such Plan Sponsor’s name in the column entitled “ACC Purchase Percentage” as set forth on Schedule 2 attached hereto; provided, however, that for purposes of this definition, each Plan Sponsor shall
be deemed to hold the Votable Claims held by such Plan Sponsor’s Related Purchasers.” 
 (b) Section 2.1(a) of
the Agreement is hereby amended and restated in its entirety to read as follows: 
 “On and subject to the terms and conditions hereof,
including entry of the UPA Approval Order by the Bankruptcy Court and corresponding Recognition Order of the Canadian Court, each party listed under the column “Additional Capital Commitment Participant” on Schedule 1 attached
hereto (each, an “Additional Capital Commitment Participant”) has committed to purchase its respective ACC Purchase Percentage (and not less than or more than its ACC Purchase Percentage) of the Additional Capital Commitment
Units.” 
 (c) Section 2.1(d)(iii) of the Agreement is hereby amended and restated in its entirety to read as
follows: 
 “Reorganized Holdings shall not have spent, or committed to spend, any money on operating or improving its Mooresboro
facility unless and until it has first called all of the Additional Capital Commitment Units for such purpose, and the Additional Capital Commitment Units shall only be called and shall be used exclusively for such purpose; provided,
however, that Reorganized Holdings may call up to $15,000,000 of Additional Capital Commitment Units for working capital needs and other general purposes for Reorganized Holdings and its Subsidiaries.” 

 (d) Section 2.4(b) of the Agreement is hereby amended and restated in its
entirety to read as follows: 
 “Subscription Escrow Account Funding. No later than the later of (i) three
(3) Business Days following receipt of the Funding Notice delivered at least five (5) Business Days prior to the anticipated Closing Date and (ii) two (2) Business Days prior to the anticipated Closing Date (such date, the
“Subscription Escrow Funding Date”), each Plan Sponsor shall deliver and pay an amount equal to (x) the Purchase Price, multiplied by (y) such Plan Sponsor’s Purchase Percentage of the Emergence Equity
Units as set forth on Schedule 2 (as amended and restated to reflect any revisions for a Plan Sponsor Default, in each case, as contemplated by and pursuant to Section 2.3), by wire transfer in immediately available funds in U.S.
dollars into the Subscription Escrow Account in satisfaction of such Plan Sponsor’s Emergence Equity Purchase; provided, however, that each Plan Sponsor may elect, in its sole and absolute discretion and by written notice to the DIP Agent and
the Company, and the Subscription Agent, to fund any portion of its respective Emergence Equity Purchase by agreeing to cause the DIP Agent, and directing the DIP Agent, to pay any amounts to be paid to such Plan Sponsor under the terms of the DIP
Loan to the Subscription Escrow Account and, upon such direction, any such amounts shall be deemed paid by such Plan Sponsor to the Subscription Escrow Account and shall be held pursuant to the terms hereof and the Subscription Escrow Agreement. The
Subscription Escrow Account shall be established with the Subscription Agent, pursuant to an escrow agreement in form and substance mutually satisfactory to the Requisite Plan Sponsors and the Company (the “Subscription Escrow
Agreement”). The funds held in the Subscription Escrow Account shall be released, and each Plan Sponsor shall receive from the Subscription Escrow Account the cash amount actually funded to the Subscription Escrow Account by such Plan
Sponsor, plus any interest accrued thereon, promptly following the earlier to occur of (i) the termination of this Agreement in accordance with its terms and (ii) the Outside Date if, by such date, the Closing has not occurred. On or prior
to the Subscription Escrow Funding Date, each Plan Sponsor shall deliver to Akin Gump Strauss Hauer & Feld LLP a duly executed signature page to the New Limited Liability Company Agreement for each Plan Sponsor (or Affiliate of a Plan
Sponsor) that will receive New Common Equity pursuant to this Agreement or the Plan, which signature page or pages will be held in escrow until automatically released upon the occurrence of the Closing in accordance with the terms hereof.” 

(e) Section 6.1(c)(iv) of the Agreement is hereby amended and restated in its entirety to read as follows: 

“obtain the entry of the UPA Approval Order on or prior to September 9, 2016 and cause the UPA Approval Order to become a Final Order
(and request that such Order be effective immediately upon entry by the Bankruptcy Court pursuant to a waiver of Rules 3020 and 6004(h) of the Bankruptcy Rules, as applicable), as soon as reasonably practicable following the filing of the motion
seeking entry of such Order;” 

 (f) Section 6.1(c)(v) of the Agreement is hereby amended and restated in its
entirety to read as follows: 
 “obtain a Recognition Order with respect to the UPA Approval Order on or prior to September 12,
2016;” 
 (g) Section 6.1(c)(vi) of the Agreement is hereby amended and restated in its entirety to read as
follows: 
 “obtain the entry of the Confirmation Order and UPA Consummation Approval Order on or prior to September 9, 2016 and
cause the Confirmation Order and UPA Consummation Approval Order to each become a Final Order (and request that such Orders be effective immediately upon entry by the Bankruptcy Court pursuant to a waiver of Rules 3020 and 6004(h) of the Bankruptcy
Rules, as applicable), in each case, as soon as reasonably practicable following the filing of the motion seeking entry of such Orders (for the avoidance of doubt, entry of the UPA Consummation Approval Order will be sought at the Confirmation
Hearing);” 
 (h) Section 6.1(c)(vii) of the Agreement is hereby amended and restated in its entirety to read as
follows: 
 “obtain Recognition Orders with respect to the Confirmation Order and the UPA Consummation Approval Order on or prior to
September 12, 2016;” 
 (i) Section 6.1(c)(xi) of the Agreement is hereby amended and restated in its entirety
to read as follows: 
 “consummate and cause the Effective Date to occur on or prior to September 30, 2016 in accordance with the
terms of this Agreement and the Plan.” 
 (j) Section 9.1(c)(iii) of the Agreement is hereby amended and restated
in its entirety to read as follows: 
 “the Bankruptcy Court has not entered the UPA Approval Order on or prior to 5:00 p.m., New York
City time on September 9, 2016, in form and substance mutually satisfactory to the Requisite Plan Sponsors and the Company;” 

(k) Section 9.1(c)(iv) of the Agreement is hereby amended and restated in its entirety to read as follows: 

“the Canadian Court has not granted a Recognition Order with respect to the UPA Approval Order on or prior to 5:00 p.m.,
New York City time on September 12, 2016;” 
 (l) Section 9.1(c)(v) of the Agreement is hereby amended and
restated in its entirety to read as follows: 
 “the Bankruptcy Court has not entered the Confirmation Order and UPA Consummation
Approval Order on or prior to 5:00 p.m., New York City time on September 9, 2016, in each case, in form and substance mutually satisfactory to the Requisite Plan Sponsors and the Company;” 

 (m) Section 9.1(c)(vi) of the Agreement is hereby amended and restated in
its entirety to read as follows: 
 “the Canadian Court has not granted the Recognition Order with respect to the Confirmation Order and
granted the UPA Recognition Order on or prior to 5:00 p.m., New York City time on September 12, 2016;” 
 (n)
Section 9.1(c)(vii) of the Agreement is hereby amended and restated in its entirety to read as follows: 
 “the Effective Date has
not occurred on or prior to 5:00 p.m., New York City time on September 30, 2016 in accordance with the terms of this Agreement and the Plan;” 

(o) Section 9.1(e) of the Agreement is hereby amended and restated in its entirety to read as follows: 

“automatically without further action or notice by any Party if the Closing Date has not occurred by 5:00 p.m., New York City time on
September 30, 2016, unless prior thereto the Effective Date occurs (the “Outside Date”); provided, however, that the Outside Date may be waived or extended pursuant to Section 10.10 and
Section 10.12; or” 
 (p) Section 10.23 of the Agreement is hereby amended and restated in its entirety
to read as follows: 
 “UPA Approval Order. Notwithstanding anything herein to the contrary, if the UPA Approval Order is not
entered by 5:00 p.m., prevailing Eastern time on September 9, 2016, then this Agreement shall be automatically void ab initio, without the necessity of any Person taking any action or giving of any notice.” 

(q) Schedule 1 of the Agreement is hereby amended and restated in its entirety to read as set forth on Schedule 1
attached hereto. 
 (r) Schedule 2 of the Agreement is hereby amended and restated in its entirety to read as set forth
on Schedule 2 attached hereto. 
 (s) Schedule 3-A of the Agreement is hereby amended and restated in its entirety to
read as set forth on Schedule 3-A attached hereto. 
 (t) Schedule 3-B of the Agreement is hereby amended and restated
in its entirety to read as set forth on Schedule 3-B attached hereto. 
 (u) Schedule 5 of the Agreement is hereby
amended and restated in its entirety to read as set forth on Schedule 5 attached hereto. 
 2. Ratification. Except as set
forth herein, all provisions of the Agreement remain in full force and effect as originally written. 
 3. Miscellaneous. This
Amendment shall be governed by and construed in accordance with the applicable terms of Article 10 of the Agreement, which are hereby incorporated by reference and shall apply mutatis mutandis as if set forth herein. 

*        *        *       
 * 

 IN WITNESS WHEREOF, the Parties have executed this Amendment as of the day and year first above
written. 
  

			
	THE COMPANY:
	
	HORSEHEAD HOLDING CORP.
		
	By:	 	 /s/ James M. Hensler

	Name:	 	James M. Hensler
	Title:	 	Chief Executive Officer and President

 [Signature pages of Plan Sponsors on file with the Company] 

[Signature page to Amendment No. 1 to Unit Purchase and Support Agreement]

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