Document:

EX-4.4

 Exhibit 4.4 
 FIRST SUPPLEMENTAL INDENTURE 
 Dated as of December 22, 2011

 with respect to the: 
 INDENTURE 
 Dated as of December 15, 1995 

among 

ALLEGHENY LUDLUM CORPORATION, 
 ALC MERGER, LLC 
 and 

THE BANK OF NEW YORK MELLON 
 (as successor to The Chase Manhattan Bank (National Association)), as Trustee 

 THIS FIRST SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), entered
into as of December 22, 2011, among Allegheny Ludlum Corporation, a Pennsylvania corporation (“ALC”), ALC Merger, LLC, a Pennsylvania limited liability company (“AL”), and The Bank of New York Mellon (as
successor to The Chase Manhattan Bank (National Association)), as trustee (the “Trustee”) under the Indenture referred to below. Capitalized terms used herein and not otherwise defined herein are used as defined in the Indenture
referred to below. 
 RECITALS 
 WHEREAS, ALC and the Trustee are party to that certain Indenture, dated as of December 15, 1995 (the “Indenture”), relating to the 6.95% Debentures due December 15, 2025 issued
by ALC in original principal amount of $150,000,000, all of which are outstanding on the date hereof (the “Securities”). 
 WHEREAS, ALC and AL intend to execute and file Articles of Merger (the “Articles of Merger”) with the Secretary of State of the Commonwealth of Pennsylvania on or before January 2,
2012, to effect a merger of ALC with and into AL (the “Merger”), with AL continuing its limited liability company existence under Pennsylvania law under the changed name “Allegheny Ludlum, LLC”; 

WHEREAS, Section 901(1) of the Indenture provides that, without the consent of any Holders, ALC, when authorized by a Board
Resolution, and the Trustee, at any time and from time to time, may enter into one or more indentures supplemental to the Indenture to evidence the succession of another Person to ALC and the assumption by any such successor of the covenants of ALC
therein and in the Securities; 
 WHEREAS, all conditions precedent and requirements necessary to make this Supplemental
Indenture a valid and legally binding instrument in accordance with its terms have been complied with, performed and fulfilled and the execution and delivery hereof have been all respects duly authorized; and 

WHEREAS, pursuant to Section 901 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture, and
ALC hereby requests the Trustee to join in the execution and delivery of this Supplemental Indenture. 
 NOW, THEREFORE, THIS
SUPPLEMENTAL INDENTURE WITNESSETH: 
 For and in consideration of the premises and intending to be legally bound hereby, it
is mutually covenanted and agreed, for the equal and proportionate benefit of all Holders as follows: 
 ARTICLE I

 REPRESENTATIONS OF ALC AND AL 
 Each of ALC and AL represents and warrants to the Trustee as of the date hereof as follows: 

 1.1. ALC is a corporation duly organized, validly existing and in good standing under the
laws of the Commonwealth of Pennsylvania. AL is a limited liability company duly organized, validly existing and in good standing under the laws of the Commonwealth of Pennsylvania. 

1.2. The execution, delivery and performance by it of this Supplemental Indenture have been authorized and approved by all necessary
corporate action on the part of ALC and all necessary limited liability company action on the part of AL. 
 1.3. Upon the
filing of the Articles of Merger with the Secretary of State of the Commonwealth of Pennsylvania, or at such other time thereafter as is provided in the Articles of Merger (the “Effective Time”), the Merger will be effective in
accordance with the law of the Commonwealth of Pennsylvania. 
 1.4. Immediately after giving effect to the Merger and treating
any indebtedness which is an obligation of AL or becomes an obligation of ALC or a Subsidiary as a result of the Merger as having been incurred by ALC or such Subsidiary at the time of the Merger, no Event of Default, and no event which, after
notice or lapse of time or both, would become an Event of Default, shall have happened and be continuing. 
 1.5. No properties
or assets of ALC or AL will become subject to a Lien which is not permitted by the Indenture as a result of the Merger. 

ARTICLE II 

ASSUMPTION 
 2.1. AL hereby expressly assumes the due and punctual payment of the principal of and interest on all the Securities and the performance or observance of every covenant of the Indenture on the part of ALC
to be performed or observed. 
 ARTICLE III 
 EFFECTIVENESS 
 3.1. This Supplemental Indenture shall become effective as
of the Effective Time. 
 ARTICLE IV 
 MISCELLANEOUS 
 4.1. The Indenture, as supplemented by this Supplemental
Indenture, is in all respects ratified and confirmed, and this Supplemental Indenture shall be deemed a part of the Indenture in the manner and to the extent herein and therein provided. 

4.2. The Trustee makes no representations as to the validity or sufficiency of this Supplemental Indenture. The recitals and statements
herein are deemed to be those of ALC and AL and not those of the Trustee, and the Trustee assumes no responsibility for their correctness. 

  
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 4.3 If and to the extent that any provision of this Supplemental Indenture limits, qualifies
or conflicts with another provision included in this Supplemental Indenture or in the Indenture, in either case that is required to be included in this Supplemental Indenture or in the Indenture by any of the provisions of Sections 310 to 317,
inclusive, of the Trust Indenture Act of 1939, as amended, such required provision shall control. 
 4.4. Nothing in this
Supplemental Indenture, express or implied, shall give to any Person, other than the parties hereto and their successors hereunder and the Holders, any benefit or any legal or equitable right, remedy or claim under the Indenture. 

4.5. This Supplemental Indenture shall be governed by and construed in accordance with the laws of the Commonwealth of Pennsylvania,
without regard to the conflicts of law rules of said Commonwealth; provided, however, that the rights, duties and obligations of, and the standard of care for, the Trustee shall be governed by the laws of the State of New York, without regard to the
conflicts of law rules of said State. 
 4.6. The Section headings herein are for convenience only and will not affect the
construction hereof. 
 4.7 This Supplemental Indenture may be executed in any number of counterparts, each of which so executed
shall be deemed to be an original, but all of which counterparts together shall constitute but one and the same instrument. 

4.8 In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 [Signature pages follow]

  
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 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed as of the day and year first above written. 
  

			
	ALLEGHENY LUDLUM CORPORATION
		
	By:	 	 /s/ Dale G. Reid

	Name:	 	Dale G. Reid
	Title:	 	Executive Vice President, Finance and
		 	Chief Financial Officer

  

			
	ALC MERGER, LLC
		
	By:	 	 /s/ Dale G. Reid

	Name:	 	Dale G. Reid
	Title:	 	Executive Vice President, Finance and
		 	Chief Financial Officer

  

			
	THE BANK OF NEW YORK MELLON,
		 	as Trustee
		
	By:	 	 /s/    J. Christopher
Howe        

	Name:	 	 J. Christopher Howe

	Title:	 	 Senior Associate

 [Signature Page to First Supplemental Indenture]EX-10.33

 Exhibit 10.33 
 FOURTH AMENDMENT TO CREDIT AGREEMENT 
 This Fourth Amendment to
Credit Agreement is dated November 9, 2011, by and among ATI Funding Corporation, a Delaware corporation (“ATI Funding”), TDY Holdings, LLC, a Delaware limited liability company (“TDYH”) (ATI Funding and TDYH are each, a
“Borrower” and collectively, the “Borrowers”), the Guarantors (as defined in the Credit Agreement (as hereinafter defined)) party hereto, the Lenders (as hereinafter defined) party hereto and PNC Bank, National Association
(“PNC Bank”) as administrative agent for the Lenders (in such capacity, the “Administrative Agent”) (the “Fourth Amendment”). 
 W I T N E S S E T H: 
 WHEREAS, the Borrowers, the Guarantors, PNC
Bank and various other financial institutions party thereto (PNC Bank and such other financial institutions are each, a “Lender” and collectively, the “Lenders”) and the Administrative Agent entered into that certain Credit
Agreement, dated July 31, 2007, as amended by that certain First Amendment to Credit Agreement, dated May 29, 2009, among the Borrowers, the Guarantors, the Lenders and the Administrative Agent, as further amended by that certain Second
Amendment to Credit Agreement, dated December 22, 2010, among the Borrowers, the Guarantors, the Lenders and the Administrative Agent, and as further amended by that certain Third Amendment to Credit Agreement, dated March 11, 2011, among
the Borrowers, the Guarantors, the Lenders and the Administrative Agent (as further amended, restated, modified or supplemented from time to time, the “Credit Agreement”); 

WHEREAS, the Borrowers and the Guarantors desire to undertake certain corporate actions in connection with an internal reorganization
including, among other things, (a) the Reorganization Conversions (as defined below) and (b) the merger of Allegheny Ludlum Corporation, a Pennsylvania corporation, with and into a Pennsylvania limited liability company to be formed that
the Borrowers and the Guarantors expect to be named Allegheny Ludlum, LLC, pursuant to Section 7.2.3(i) of the Credit Agreement; and 
 WHEREAS, the Borrowers and the Guarantors desire to amend certain provisions of the Credit Agreement and the Lenders and the Administrative Agent shall permit such amendments pursuant to the terms and
conditions set forth herein. 
 NOW, THEREFORE, in consideration of the premises contained herein and other valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound hereby, the parties hereto agree as follows: 
 1. All capitalized terms used herein that are defined in the Credit Agreement shall have the same meaning herein as in the Credit Agreement unless the context clearly indicates otherwise. 

2. Section 1.1 of the Credit Agreement is hereby amended by inserting the following defined term in appropriate alphabetical order:

 Reorganization Conversions shall mean, collectively, (a) the
conversion of TDY Industries, Inc., a California corporation, into a California limited liability company; and (b) the conversion of Oregon Metallurgical Corporation, an Oregon corporation, into an Oregon limited liability company. 

3. Section 7.1.1 of the Credit Agreement is hereby amended by inserting the following phrase at the end of such Section: 

and except that the Reorganization Conversions shall be permitted. 

4. Section 7.2.4(iii) of the Credit Agreement is hereby deleted in its entirety and in its stead is inserted the following:

 (iii) any sale, transfer or lease of assets by any Loan Party (or by any Domestic Subsidiary that is wholly
owned, directly or indirectly, by one or more Loan Parties) to any other Loan Party; 
 5. The provisions of Sections 2 through
4 of this Fourth Amendment shall not become effective until the Administrative Agent has received the following items, each in form and substance acceptable to the Administrative Agent and its counsel: 

(a) this Fourth Amendment, duly executed by each of the Loan Parties and the Required Lenders; 

(b) payment of all fees and expenses owed to the Lenders, the Administrative Agent, and the Administrative Agent’s
counsel in connection with this Fourth Amendment; and 
 (c) such other documents as may be reasonably requested
by the Administrative Agent. 
 6. Each Loan Party hereby reconfirms and reaffirms all representations and warranties,
agreements and covenants made by it pursuant to the terms and conditions of the Credit Agreement, except as such representations and warranties, agreements and covenants may have heretofore been amended, modified or waived in writing in accordance
with the Credit Agreement. 
 7. Each Loan Party acknowledges and agrees that each and every document, instrument or agreement,
which at any time has secured the Obligations including, without limitation, the Guaranty Agreements, hereby continues to secure the Obligations. 
 8. Each Loan Party hereby represents and warrants to the Lenders and the Administrative Agent that (i) such Loan Party has the legal power and authority to execute and deliver this Fourth Amendment,
(ii) the officers of such Loan Party executing this Fourth Amendment have been duly authorized to execute and deliver the same and bind such Loan Party with respect to the provisions hereof, (iii) the execution and delivery hereof by such
Loan 

  
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Party and the performance and observance by such Loan Party of the provisions hereof and of the Credit Agreement and all documents executed or to be executed in connection herewith or therewith,
do not violate or conflict with the organizational agreements of such Loan Party or any law applicable to such Loan Party or result in a breach of any provision of or constitute a default under any other agreement, instrument or document binding
upon or enforceable against such Loan Party, and (iv) this Fourth Amendment, the Credit Agreement and the documents executed or to be executed by such Loan Party in connection herewith or therewith constitute valid and binding obligations of
such Loan Party in every respect, enforceable in accordance with their respective terms. 
 9. Each Loan Party represents and
warrants that (i) no Event of Default exists under the Credit Agreement, nor will any occur as a result of the execution and delivery of this Fourth Amendment or the performance or observance of any provision hereof, (ii) the schedules
attached to and made a part of the Credit Agreement, are true and correct in all material respects as of the date hereof, except as such schedules may have heretofore been amended or modified or updated in writing in accordance with the Credit
Agreement, and (iii) it presently has no known claims or actions of any kind at law or in equity against any Lender or the Administrative Agent arising out of or in any way relating to the Credit Agreement or the other Loan Documents.

 10. Each reference to the Credit Agreement that is made in the Credit Agreement or any other document executed or to be
executed in connection therewith shall hereafter be construed as a reference to the Credit Agreement as amended hereby. 
 11.
The agreements contained in this Fourth Amendment are limited to the specific agreements made herein. Except as amended hereby, all of the terms and conditions of the Credit Agreement and the other Loan Documents shall remain in full force and
effect. This Fourth Amendment amends the Credit Agreement and is not a novation thereof. 
 12. This Fourth Amendment may be
executed in any number of counterparts and by the different parties hereto on separate counterparts each of which, when so executed, shall be deemed to be an original, but all such counterparts shall constitute but one and the same instrument.

 13. This Fourth Amendment shall be governed by, and shall be construed and enforced in accordance with, the Laws of the
Commonwealth of Pennsylvania without regard to the principles of the conflicts of law thereof. Each Loan Party hereby consents to the jurisdiction and venue of the Court of Common Pleas of Allegheny County, Pennsylvania and the United States
District Court for the Western District of Pennsylvania with respect to any suit arising out of or mentioning this Fourth Amendment. 
 [INTENTIONALLY LEFT BLANK] 

  
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 IN WITNESS WHEREOF, and intending to be legally bound, the parties hereto have caused this
Fourth Amendment to be duly executed by their duly authorized officers the day and year first above written. 
  

							
		 		 	BORROWERS:
			
	WITNESS:	 		 	ATI FUNDING CORPORATION
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Rose Marie Manley

		 		 	Name:	 	Rose Marie Manley
		 		 	Title:	 	President
			
	WITNESS:	 		 	TDY HOLDINGS, LLC
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Rose Marie Manley

		 		 	Name:	 	Rose Marie Manley
		 		 	Title:	 	President
			
		 		 	GUARANTORS:
			
	WITNESS:	 		 	ALLEGHENY TECHNOLOGIES INCORPORATED
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	Executive Vice President
			
	WITNESS:	 		 	OREGON METALLURGICAL CORPORATION
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	ALLEGHENY LUDLUM CORPORATION
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	Executive Vice President

							
	WITNESS:	 		 	ATI PROPERTIES, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Patrick J. Viccaro

		 		 	Name:	 	Patrick J. Viccaro
		 		 	Title:	 	Vice President
			
	WITNESS:	 		 	TDY INDUSTRIES, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	ALC FUNDING CORPORATION
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Rose Marie Manley

		 		 	Name:	 	Rose Marie Manley
		 		 	Title:	 	President
			
	WITNESS:	 		 	JEWEL ACQUISITION, LLC
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	JESSOP STEEL, LLC
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President

							
	WITNESS:	 		 	INTERNATIONAL HEARTH MELTING, LLC
				
		 		 	By:	 	OREGON METALLURGICAL CORPORATION,
its Sole Manager
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	ATI PRECISION FINISHING, LLC
(formerly known as “ROME METALS, LLC”)
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	Executive Vice President
			
	WITNESS:	 		 	TI OREGON, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	TITANIUM WIRE CORPORATION
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	ATI CANADA HOLDINGS, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President

							
	WITNESS:	 		 	ALLEGHENY TECHNOLOGIES INTERNATIONAL, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	AII INVESTMENT CORP.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Rose Marie Manley

		 		 	Name:	 	Rose Marie Manley
		 		 	Title:	 	President
			
	WITNESS:	 		 	ENVIRONMENTAL, INC.
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	AII ACQUISITION, LLC
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President
			
	WITNESS:	 		 	ATI TITANIUM LLC
				
	 /s/ M. P. Earnest
	 		 	By:	 	 /s/ Dale G. Reid

		 		 	Name:	 	Dale G. Reid
		 		 	Title:	 	President

			
	AGENTS AND LENDERS:
	
	PNC BANK, NATIONAL ASSOCIATION, as a Lender and as Administrative Agent
		
	By:	 	 /s/ Susan J. Dimmick

	Name:	 	Susan J. Dimmick
	Title:	 	Senior Vice President
	
	 CITIBANK, N.A., as a Lender and as
 Co-Syndication Agent

		
	By:	 	 /s/ Raymond G. Dunning

	Name:	 	Raymond G. Dunning
	Title:	 	Vice President
	
	JPMORGAN CHASE BANK, N.A., as a
Lender and as Co-Syndication Agent
		
	By:	 	 /s/ Peter S. Predun

	Name:	 	Peter S. Predun
	Title:	 	Executive Director
	
	BANK OF AMERICA N.A., for itself, as a
Lender and as Co-Documentation Agent, and as successor by merger to LASALLE BANK NATIONAL ASSOCIATION, as a
Lender
		
	By:	 	 /s/ James B. Meanor II

	Name:	 	James B. Meanor II
	Title:	 	Director

			
	THE BANK OF TOKYO-MITSUBISHI UFJ, LTD., as a Lender and as Co-Documentation Agent
		
	By:	 	 /s/ Joanne Nasuti

	Name:	 	Joanne Nasuti
	Title:	 	Vice President
	
	CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as a Lender and as a Co-Managing Agent
		
	By:	 	 /s/ Alain Doust

	Name:	 	Alain Doust
	Title:	 	Director
		
	By:	 	 /s/ Rahul Parmar

	Name:	 	Rahul Parmar
	Title:	 	Associate
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as a Lender and as Co-Managing Agent
		
	By:	 	 /s/ James Travagline

	Name:	 	James Travagline
	Title:	 	Director
	
	 THE BANK OF NEW YORK, as a Lender and as
 Co-Managing Agent

		
	By:	 	 /s/ William M. Feathers

	Name:	 	William M. Feathers
	Title:	 	Vice President

			
	MORGAN STANLEY BANK, as a Lender
		
	By:	 	 /s/ Dmitriy Barskiy

	Name:	 	Dmitriy Barskiy
	Title:	 	Authorized Signatory
	
	HSBC BANK USA, NATIONAL
ASSOCIATION, as a Lender
		
	By:	 	 /s/ Christopher S. Helmeci

	Name:	 	Christopher S. Helmeci
	Title:	 	Senior Relationship Manager

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