Document:

Amendment Number 1, dated January 3, 2007

 EXHIBIT 10.25.4.1 
 Amendment Number 1 to 
 AMENDED AND RESTATED 
 EMPLOYMENT AGREEMENT 
 Allen S. Pack,
Jr. 
 THIS AMENDMENT, is made effective as of January 3, 2007, by and between Foundation Coal Corporation, a Delaware corporation
(the “Company”) and (“Executive”). 
 WHEREAS, the Company and Executive previously entered into an Amended
and Restated Employment Agreement, dated September 27, 2006 (the “Employment Agreement”); and 
 WHEREAS, the
Compensation Committee of the Board of Directors of the Company (“Committee”) has considered the annual bonus percentage of base salary for obtaining target performance contained in the Employment Agreement; and 
 WHEREAS, the Compensation Committee requested a report from its independent compensation consultant regarding the appropriate percentage level of base
salary for obtaining target performance; and 
 WHEREAS, the Compensation Committee has reviewed the information provided by independent
compensation consultant and has determined it would be in the best interest of the Company and its Stockholders to amend the Employment Agreement to revise the percentage level of base salary for obtaining target performance. 
 NOW, THEREFORE, in consideration of the premises and mutual covenants herein and for other good and valuable consideration, the parties agree as follows:

 Section 4. Annual Bonus. The Percent of Base Salary is revised for obtaining 100% of Target Performance as shown: 

From: 
  

							
	 Company
 Performance
	  	 Percent of
 Base Salary
	  	 Individual
Performance
	  	 Percent of
 Base Salary

	 100% of Target
	  	33.33%	  	Target	  	16.67%

 To: 
  

							
	 Company
 Performance
	  	 Percent of
 Base Salary
	  	 Individual
Performance
	  	 Percent of
 Base Salary

	 100% of Target
	  	43.5%	  	Target	  	21.5%

  

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 Except as otherwise noted in this Amendment Number 1, all other terms and conditions of the Employment Agreement remain
as originally written. In the event of any inconsistency between the terms of this Amendment Number 1 and the terms of the Employment Agreement, the terms of this Amendment Number 1 shall be controlling. 
 IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement as of the day and year first above written. 
  

									
	FOUNDATION COAL CORPORATION	 		 	ALLEN S. PACK, JR.
					
	  	 	/s/ MICHAEL R. PEELISH	 		 	  	 	/S/ ALLEN S. PACK, JR.
	By:	 	Michael R. Peelish	 		 		 	
	Title: SVP Safety and Human Resources	 		 		 	

  

 2Forms of 5.72% Notes due February 23, 2019

 EXHIBIT 4.1 
 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF,
U.S. PERSONS EXCEPT AS SET FORTH IN THE FOLLOWING SENTENCE. 
 BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A
“QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) OR (B) IT IS NOT A U.S. PERSON AND IS ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S UNDER THE SECURITIES ACT,
(2) AGREES THAT IT WILL NOT WITHIN THE TIME PERIOD REFERRED TO IN RULE 144(K) UNDER THE SECURITIES ACT AS IN EFFECT ON THE DATE OF THE TRANSFER OF THIS SECURITY, RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO ALCOA INC. OR ANY
SUBSIDIARY THEREOF, (B) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) OUTSIDE THE UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 OF REGULATION S UNDER THE SECURITIES
ACT, (D) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) OR (E) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND (3) AGREES THAT IT WILL DELIVER TO
EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS SECURITY WITHIN THE TIME PERIOD REFERRED TO ABOVE, THE HOLDER MUST CHECK THE APPROPRIATE BOX SET FORTH ON
THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT THIS CERTIFICATE TO THE INDENTURE TRUSTEE. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S. PERSON” HAVE THE MEANINGS
GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. 
 IN ADDITION, PRIOR TO ANY TRANSFER OF THIS SECURITY, THE HOLDER MUST FURNISH TO THE INDENTURE
TRUSTEE SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE INDENTURE TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT. 
 THIS SECURITY IS A REGISTERED GLOBAL NOTE AND IS REGISTERED IN THE NAME OF CEDE & CO., AS NOMINEE OF THE
DEPOSITORY TRUST COMPANY (“DTC”). 
 Unless this certificate is presented by an authorized representative of DTC to Alcoa Inc. or its agent for
registration of transfer, exchange, or payment, and any certificate issued is registered in the name of Cede & Co. or in such other name as is requested by an authorized representative of DTC (and any payment is made to Cede & Co.
or to such other entity as is requested by an authorized representative of DTC), any transfer, pledge, or other use hereof for value or otherwise by or to any person is wrongful since the registered owner hereof, Cede & Co., has an interest
herein. 
 This Security is a Book-Entry Security within the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary
or a nominee thereof. This Security may not be transferred to, or registered or exchanged for Securities registered in the name of, any Person other than the Depositary or a nominee thereof and no such transfer may be registered, except in the
limited circumstances described in the Indenture. Every Security authenticated and delivered upon registration of transfer of, or in exchange for or in lieu of, this Security shall be a Book-Entry Security subject to the foregoing, except in such
limited circumstances described in the Indenture. 

 ALCOA INC. 
 5.72% Notes Due 2019 
  

									
	 No. R-1
	 		 		 		 	(U.S.) $500,000,000
		 		 		 		 	CUSIP # 013817AM3
		 		 		 		 	ISIN # US013817AM34

 Alcoa Inc., a corporation duly organized and existing under the laws of Pennsylvania (herein
called the “Company”, which term includes any successor Person under the Indenture referred to on the reverse hereof), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of Five
Hundred Million (United States) Dollars on February 23, 2019, and to pay interest thereon from February 23, 2007, or from the most recent February 23 or August 23 (each, an “Interest Payment Date”) to which interest has
been paid or duly provided for, semi-annually in arrears on February 23 and August 23 in each year, commencing August 23, 2007, at the rate of 5.72% per annum, until the principal hereof is paid or made available for payment. The
interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of
business on the Regular Record Date for such interest, which shall be the February 8 or August 8 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date. Interest will be paid on the basis of a
360-day year consisting of twelve 30-day months. Except as otherwise provided in the Indenture, any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such Regular Record Date and may either
be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be
given to Holders of Securities of this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Securities of
this series may be listed, and upon such notice as may be required by such exchange, all as more fully provided in said Indenture. 
 Payment
of the principal of and any premium and interest on this Security will be made (a) at the Corporate Trust Office of the Trustee or such other office or agency of the Company as may be designated by it for such purpose in the Borough of
Manhattan, The City of New York, in such coin or currency of the United States of America as at the time of payment shall be legal tender for the payment of public and private debts or (b) subject to any laws or regulations applicable thereto
and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such Paying Agent, at the main offices of the Company in Pittsburgh, Pennsylvania, or at such other offices or agencies as the Company may
designate, by United States dollar check drawn on, or transfer to a United States dollar account maintained by the payee with, a bank in The City of New York; provided, however, that at the option of the Company payment of interest may be made by
United States dollar check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register. 
 Reference is hereby made to the further provisions of this Security set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof, directly or through an Authenticating
Agent, by manual signature of an 

 
authorized signatory, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 
 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its corporate seal. 
 Dated: February 23, 2007 
  

											
	 	 	 	 	 	 	 	    	ALCOA INC.
						
	 Attest:
	 	 /s/ Brenda A. Hart
	 		 		    	By:	 	 /s/ Charles D. McLane, Jr.

		 	Assistant Secretary	 		 		    		 	Vice President and Chief Financial Officer

 [SEAL] 
  

 2 

 CERTIFICATE OF AUTHENTICATION 
 This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture. 
 THE BANK OF NEW YORK TRUST COMPANY,
N. A. 
 as Trustee 
  

			
	By:	 	 /s/ David M. Babich

		 	Authorized Signatory

  

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 This Security is one of a duly authorized issue of securities of the Company (herein called the
“Securities”), issued and to be issued in one or more series under an Indenture, dated as of September 30, 1993 (herein, as supplemented by the First Supplemental Indenture dated January 25, 2007 between the Company and the
Trustee (as defined below), called the “Indenture”), between the Company and The Bank of New York Trust Company, N.A., as successor to J. P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National
Association), as successor trustee to PNC Bank, National Association, as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is one of the series designated on the face hereof, initially issued in the aggregate principal amount of (U.S.) $750,000,000. 
 The Securities of this series are subject to redemption, as a whole or in part, at the option of the Company, at any time or from time to time, on at least 30 days, but not more than 60 days, prior notice to the
Holders of the Securities of this series given as described below, at a redemption price equal to the greater of: 
  

	 	•	 	 100% of the principal amount to be redeemed, plus accrued interest, if any, to the redemption date; or 

  

	 	•	 	 the sum of the present values of the Remaining Scheduled Payments, as defined below, discounted, on a semiannual basis, assuming a 360-day year consisting of twelve
30-day months, at the Treasury Rate, as defined below, plus 15 basis points, plus accrued interest to the date of redemption which has not been paid. 

 “Treasury Rate” means, with respect to any redemption date: 
  

	 	•	 	 the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release
designated “H.15(519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant
maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the Comparable Treasury Issue; provided that if no maturity is within three months before or after the maturity date for this Security, yields for
the two published maturities most closely corresponding to the Comparable Treasury Issue will be determined and the Treasury Rate will be interpolated or extrapolated from those yields on a straight line basis rounding to the nearest month; or

  

	 	•	 	 if that release, or any successor release, is not published during the week preceding the calculation date or does not contain such yields, the rate per annum equal
to the semiannual equivalent yield to maturity of the Comparable Treasury Issue, calculated using a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for that
redemption date. 

 The Treasury Rate will be calculated on the third business day preceding the redemption date. 
  

 4 

 “Comparable Treasury Issue” means the United States Treasury security selected by an
Independent Investment Banker as having a maturity comparable to the remaining term of this Security to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of
corporate debt securities of comparable maturity to the remaining term of this Security. 
 “Independent Investment Banker” means
one of the Reference Treasury Dealers, to be appointed by the Company. 
 “Comparable Treasury Price” means, with respect to any
redemption date for this Security: 
  

	 	•	 	 the average of four Reference Treasury Dealer Quotations for the redemption date, after excluding the highest and lowest of such Reference Treasury Dealer
Quotations; or 

  

	 	•	 	 if the Trustee obtains fewer than four Reference Treasury Dealer Quotations, the average of all quotations obtained by the Trustee. 

 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any redemption date, the average, as
determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue, expressed in each case as a percentage of its principal amount, quoted in writing to the Trustee by such Reference Treasury Dealer at 3:30 p.m., New York City
time, on the third business day preceding such redemption date. 
 “Reference Treasury Dealer” means each of Citigroup Global
Markets Inc, Credit Suisse Securities (USA) LLC, Deutsche Bank Securities Inc. and J.P. Morgan Securities Inc., and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities
dealer, which we refer to as a “Primary Treasury Dealer,” the Company will substitute therefor another nationally recognized investment banking firm that is a Primary Treasury Dealer. 
 “Remaining Scheduled Payments” means, with respect to each Security to be redeemed, the remaining scheduled payments of the principal thereof
and interest thereon that would be due after the related redemption date but for such redemption; provided, however, that, if such redemption date is not an interest payment date with respect to such Security, the amount of the next succeeding
scheduled interest payment thereon will be deemed to be reduced by the amount of interest accrued thereon to such redemption date. 
 In the
event of redemption of this Security in part only, a new Security or Securities of this series and of like tenor for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the cancellation hereof. 
 Notice of redemption will be given by mail to Holders of Securities of this series, not less than 30 nor more than 60 days prior to the date fixed for
redemption, all as provided in the Indenture. 
 If a Change of Control Repurchase Event occurs and this Security has not been previously
redeemed, the Company will make an offer to each Holder of Securities of this series to repurchase all or any part (in integral multiples of $1,000) of that Holder’s Securities of this series at a 

  

 5 

 
repurchase price in cash equal to 101% of the aggregate principal amount of Securities of this series repurchased plus any accrued and unpaid interest on the
Securities of this series repurchased to, but not including, the date of repurchase. Within 30 days following any Change of Control Repurchase Event or, at the option of the Company, prior to any Change of Control, but after the public announcement
of the Change of Control, the Company will mail a notice to each Holder, with a copy to the Trustee, describing the transaction or transactions that constitute or may constitute the Change of Control Repurchase Event and offering to repurchase
Securities of this series on the payment date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is mailed. The notice shall, if mailed prior to the date of consummation of the
Change of Control, state that the offer to purchase is conditioned on a Change of Control Repurchase Event occurring on or prior to the payment date specified in the notice. To the extent that the provisions of any securities laws or regulations
conflict with the Change of Control Repurchase event provisions of this Security, the Company may comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under the Change of Control
Repurchase Event provisions of this Security by virtue of such conflict. 
 On the repurchase date following a Change of Control Repurchase
Event, the Company will, to the extent lawful: 
  

	 	(1)	accept for payment all Securities of this series or portions of Securities of this series properly tendered pursuant to its offer; 

  

	 	(2)	deposit with the Paying Agent an amount equal to the aggregate purchase price in respect of all Securities of this series or portions of Securities of this series properly tendered;
and 

  

	 	(3)	deliver or cause to be delivered to the Trustee the Securities of this series properly accepted, together with an Officers’ Certificate stating the aggregate principal amount
of Securities of this series being purchased by the Company. 

 The Paying Agent will promptly mail to each Holder of
Securities of this series properly tendered the purchase price for the Securities of this series, and the Trustee will promptly authenticate and mail (or cause to be transferred by book-entry) to each Holder a new Security of this series equal in
principal amount to any unpurchased portion of any Securities of this series surrendered; provided that each new Security of this series will be in a principal amount of $100,000 and integral multiples of $1,000 in excess thereof. 
 The Company will not be required to make an offer to repurchase the Securities of this series upon a Change of Control Repurchase Event if a third party
makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by the Company and such third party purchases all Securities of this series properly tendered and not withdrawn under such offer.

 “Below Investment Grade Ratings Event” means that on any day within the 60-day period (which period shall be extended so long as
the rating of the Securities of this Series is under publicly announced consideration for a possible downgrade by any of the Rating Agencies) after the earlier of (1) the occurrence of a Change of Control; or (2) public notice of the
occurrence of a Change of Control or the intention by the Company to effect a Change of Control, the Securities of this series are rated below Investment Grade by each of the Rating Agencies. Notwithstanding the foregoing, a Below Investment Grade
Ratings Event otherwise arising by virtue of a particular reduction in rating shall not be deemed to have occurred in respect of a particular Change of Control (and thus shall not be deemed a 

  

 6 

 
Below Investment Grade Ratings Event for purposes of the definition of Change of Control Repurchase Event hereunder) if the Rating Agencies making the
reduction in rating to which this definition would otherwise apply do not announce or publicly confirm or inform the Trustee in writing at its request that the reduction was the result, in whole or in part, of any event or circumstance comprised of
or arising as a result of, or in respect of, the applicable Change of Control (whether or not the applicable Change of Control shall have occurred at the time of the Ratings Event). 
 “Change of Control” means the consummation of any transaction (including, without limitation, any merger or consolidation) the result of which
is that any “person” (as that term is used in Section 13(d)(3) of the Exchange Act), other than the Company, its subsidiaries, or its or such subsidiaries’ employee benefit plans, becomes the beneficial owner (as defined in Rules
13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the combined voting power of the Company's Voting Stock or other Voting Stock into which the Company's Voting Stock is reclassified, consolidated, exchanged or
changed measured by voting power rather than number of shares. 
 “Change of Control Repurchase Event” means the occurrence of both
a Change of Control and a Below Investment Grade Ratings Event. 
 “Fitch” means Fitch Ratings Ltd. 
 “Investment Grade” means a rating of Baa3 or better by Moody’s (or its equivalent under any successor rating categories of Moody’s);
a rating of BBB- or better by S&P or Fitch (or its equivalent under any successor rating categories of S&P and Fitch); and the equivalent investment grade credit rating from any additional Rating Agency or Rating Agencies selected by the
Company. 
 “Moody’s” means Moody’s Investors Service Inc. 
 “Rating Agency” means (1) each of Moody’s, S&P and Fitch; and (2) if any of Moody’s, S&P or Fitch ceases to rate
the Securities of this series or fails to make a rating of the Securities of this series publicly available for reasons outside of the control of the Company, a “nationally recognized statistical rating organization” within the meaning of
Rule 15c3-1(c)(2)(vi)(F) under the Exchange Act, selected by the Company (as certified by a resolution of the Board of Directors) as a replacement agency for Moody’s, S&P or Fitch, or all of them, as the case may be. 
 “S&P” means Standard & Poor’s Ratings Services, a division of McGraw-Hill, Inc. 
 “Voting Stock” of any specified “person” (as that term is used in Section 13(d)(3) of the Exchange Act) as of any date means the
capital stock of such person that is at the time entitled to vote generally in the election of the board of directors of such person. 
 If
an Event of Default with respect to Securities of this series shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. 
 The provisions relating to defeasance and discharge set forth in Section 1302 of the Indenture and covenant defeasance set forth in
Section 1303 of the Indenture are applicable to the Securities of this series. 
 The Indenture permits, with certain exceptions as
therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of the Holders of 

  

 7 

 
the Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of 50% in
principal amount of the Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time
Outstanding, on behalf of the Holders of all Securities of such series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by
the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security. 
 As set forth in, and subject to, the provisions of the Indenture, no Holder
of any Security of this series will have any right to institute any proceeding with respect to the Indenture or for any remedy thereunder, unless such Holder shall have previously given to the Trustee written notice of a continuing Event of Default
with respect to this series, the Holders of not less than 25% in principal amount of the Outstanding Securities of this series shall have made written request, and offered reasonable indemnity, to the Trustee to institute such proceeding as trustee,
and the Trustee shall not have received from the Holders of a majority in principal amount of the Outstanding Securities of this series a direction inconsistent with such request and shall have failed to institute such proceeding within 60 days;
provided, however, that such limitations do not apply to a suit instituted by the Holder hereof for the enforcement of payment of the principal of and any premium or interest on this Security on or after the respective due dates expressed herein.

 No reference herein to the Indenture, and no provision of this Security or of the Indenture, shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of (and premium, if any) and interest on this Security at the times, place(s) and rate, and in the coin or currency, herein prescribed. 
 As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or agency of the Company in any place where the principal of and any premium and interest on this Security are payable or, subject to any laws or regulations applicable
thereto and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such transfer agent, at the main offices of the Company in Pittsburgh, Pennsylvania and in or at such other offices or agencies as the
Company may designate, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon
one or more new Securities of this series and of like tenor, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 
 Holders of the Securities of this series shall have the rights set forth in, and shall be deemed to be bound by the provisions of, the Registration
Rights Agreement dated as of February 23, 2007 (the “Registration Rights Agreement”) between the Company and Barclays Capital Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. Incorporated, as dealer managers,
subject to the terms and conditions set forth in the Registration Rights Agreement; provided, however, that the obligations of the Company under the Registration Rights Agreement, and the rights of the holders of the Securities of this series under
the Registration Rights Agreement, shall cease when and as provided in the Registration Rights Agreement without further notation on this Security, all pursuant to and in accordance with the terms of the Registration Rights Agreement. 
  

 8 

 The Securities of this series are issuable only in registered form, without coupons, in denominations of
$100,000 and integral multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this
series and of like tenor of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall
be made for any such registration of transfer or exchange, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security is overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 
 As used in this Security, “Business Day” means any day other than a Saturday or Sunday, that is not a day on which banking institutions are
authorized or obligated by law or executive order to close in Pittsburgh, Pennsylvania or The City of New York. All other terms used in this Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture.

  

 9 

 ASSIGNMENT FORM 
 To assign this Security, fill in the form below: 
 I or we assign and transfer this Security to 
  

	
	  

 (Print or type assignee’s name, address and zip code) 
  

	
	  

 (Insert assignee’s soc. sec. or tax I.D. No.) 
 and irrevocably appoint                     
agent to transfer this Security on the 
 books of the Company. The agent may substitute another to act for him. 
 In connection with any transfer or exchange of any of the Securities evidenced by this certificate occurring prior to the date that is two years after the later of the
date of original issuance of such Securities and the last date, if any, on which such Securities were owned by the Company or any Affiliate of the Company, the undersigned confirms that such Securities are being: 
 CHECK ONE BOX BELOW: 
  

					
	1.	  	 ̈	  	acquired for the undersigned’s own account, without transfer; or
			
	2.	  	 ̈	  	transferred to the Company or a subsidiary thereof; or
			
	3.	  	 ̈	  	transferred pursuant to an effective registration statement under the Securities Act of 1933, as amended (the “Securities Act”); or
			
	4.	  	 ̈	  	transferred pursuant to and in compliance with Rule 144A under the Securities Act; or
			
	5.	  	 ̈	  	transferred outside the United States in an offshore transaction in compliance with Rule 904 of Regulation S under the Securities Act; or
			
	6.	  	 ̈	  	transferred pursuant to another available exemption from the registration requirements of the Securities Act.

 Unless one of the boxes is checked, the Indenture Trustee will refuse to register any of the Securities evidenced
by this certificate in the name of any Person other than the registered holder thereof; provided, however, that if box (5) or (6) is checked, the Indenture Trustee or the Company may require, prior to registering any such transfer
of the Securities, in their sole discretion, such legal opinions, certifications and other information as the Indenture Trustee or the Company may reasonably request to confirm that such transfer is being made pursuant to an exemption from, or in a
transaction not subject to, the registration requirements of the Securities Act, such as the exemption provided by Rule 144 under such Act. 
  

 10 

 Unless this Security has been transferred to the Company or a subsidiary thereof, the undersigned confirms that this
Security is not being transferred to an “affiliate” of the Company as defined in Rule 144 under the Securities Act. 
 Signature Guarantee:

  

			
	  
	    	  

	(Signature must be guaranteed)	    	Signature

 The signature(s) should be guaranteed by an eligible guarantor institution (banks, stockbrokers, savings and loan
associations and credit unions) with membership in an approved signature guarantee medallion program, pursuant to S.E.C. Rule 17Ad-15. 
  

	
	  

	Dated:

 IF BOX (1) OR (4) ABOVE IS CHECKED, THE FOLLOWING APPLIES: 
 The undersigned represents and warrants that it is purchasing this Security for its own account or an account with respect to which it exercises sole investment
discretion and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities Act of 1933, as amended, and is aware that the sale to it is being made in reliance on Rule 144A and
acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the
undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule 144A. 
  

			
	 	    	  

	 	    	Signature

  

 11 

 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”), AND ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH IN THE FOLLOWING SENTENCE. 
 BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) OR (B) IT IS NOT A U.S. PERSON AND IS
ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S UNDER THE SECURITIES ACT, (2) AGREES THAT IT WILL NOT WITHIN THE TIME PERIOD REFERRED TO IN RULE 144(K) UNDER THE SECURITIES ACT AS IN EFFECT ON THE DATE OF THE
TRANSFER OF THIS SECURITY, RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO ALCOA INC. OR ANY SUBSIDIARY THEREOF, (B) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) OUTSIDE THE
UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (D) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) OR (E) PURSUANT TO
AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND (3) AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS
SECURITY WITHIN THE TIME PERIOD REFERRED TO ABOVE, THE HOLDER MUST CHECK THE APPROPRIATE BOX SET FORTH ON THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT THIS CERTIFICATE TO THE INDENTURE TRUSTEE. AS USED HEREIN, THE TERMS
“OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S. PERSON” HAVE THE MEANINGS GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. 
 IN ADDITION, PRIOR TO ANY TRANSFER OF THIS SECURITY, THE HOLDER MUST FURNISH TO THE INDENTURE TRUSTEE SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE INDENTURE TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS
BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 THIS SECURITY IS A
REGISTERED GLOBAL NOTE AND IS REGISTERED IN THE NAME OF CEDE & CO., AS NOMINEE OF THE DEPOSITORY TRUST COMPANY (“DTC”). 
 Unless this
certificate is presented by an authorized representative of DTC to Alcoa Inc. or its agent for registration of transfer, exchange, or payment, and any certificate issued is registered in the name of Cede & Co. or in such other name as is
requested by an authorized representative of DTC (and any payment is made to Cede & Co. or to such other entity as is requested by an authorized representative of DTC), any transfer, pledge, or other use hereof for value or otherwise by or
to any person is wrongful since the registered owner hereof, Cede & Co., has an interest herein. 
 This Security is a Book-Entry Security within
the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary or a nominee thereof. This Security may not be transferred to, or registered or exchanged for Securities registered in the name of, any Person other
than the Depositary or a nominee thereof and no such transfer may be registered, except in the limited circumstances described in the Indenture. Every Security authenticated and delivered upon registration of transfer of, or in exchange for or in
lieu of, this Security shall be a Book-Entry Security subject to the foregoing, except in such limited circumstances described in the Indenture. 

 ALCOA INC. 
 5.72% Notes Due 2019 
  

									
	 No. R-2
	 		 		 		 	(U.S.) $201,574,000
		 		 		 		 	CUSIP # 013817AM3
		 		 		 		 	ISIN # US013817AM34

 Alcoa Inc., a corporation duly organized and existing under the laws of Pennsylvania (herein
called the “Company”, which term includes any successor Person under the Indenture referred to on the reverse hereof), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of Two
Hundred One Million Five Hundred Seventy Four Thousand (United States) Dollars on February 23, 2019, and to pay interest thereon from February 23, 2007, or from the most recent February 23 or August 23 (each, an “Interest
Payment Date”) to which interest has been paid or duly provided for, semi-annually in arrears on February 23 and August 23 in each year, commencing August 23, 2007, at the rate of 5.72% per annum, until the principal hereof
is paid or made available for payment. The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date for such interest, which shall be the February 8 or August 8 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date.
Interest will be paid on the basis of a 360-day year consisting of twelve 30-day months. Except as otherwise provided in the Indenture, any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on
such Regular Record Date and may either be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed
by the Trustee, notice whereof shall be given to Holders of Securities of this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities
exchange on which the Securities of this series may be listed, and upon such notice as may be required by such exchange, all as more fully provided in said Indenture. 
 Payment of the principal of and any premium and interest on this Security will be made (a) at the Corporate Trust Office of the Trustee or such other office or agency of the Company as may be designated by it for
such purpose in the Borough of Manhattan, The City of New York, in such coin or currency of the United States of America as at the time of payment shall be legal tender for the payment of public and private debts or (b) subject to any laws or
regulations applicable thereto and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such Paying Agent, at the main offices of the Company in Pittsburgh, Pennsylvania, or at such other offices or
agencies as the Company may designate, by United States dollar check drawn on, or transfer to a United States dollar account maintained by the payee with, a bank in The City of New York; provided, however, that at the option of the Company payment
of interest may be made by United States dollar check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register. 
 Reference is hereby made to the further provisions of this Security set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 

 Unless the certificate of authentication hereon has been executed by the Trustee referred to on the
reverse hereof, directly or through an Authenticating Agent, by manual signature of an authorized signatory, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 
 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its corporate seal. 
 Dated: February 23, 2007 
  

							
	 	 	 	 	ALCOA INC.
				
	Attest:	 	 /s/ Brenda A. Hart
	 	By:	 	 /s/ Charles D. McLane, Jr.

		 	Assistant Secretary	 		 	Vice President and Chief Financial Officer

 [SEAL] 
  

 2 

 CERTIFICATE OF AUTHENTICATION 
 This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture. 
 THE BANK OF NEW YORK TRUST COMPANY,
N. A. 
 as Trustee 
  

			
	By:	 	 /s/ David M. Babich

		 	Authorized Signatory

  

 3 

 This Security is one of a duly authorized issue of securities of the Company (herein called the
“Securities”), issued and to be issued in one or more series under an Indenture, dated as of September 30, 1993 (herein, as supplemented by the First Supplemental Indenture dated January 25, 2007 between the Company and the
Trustee (as defined below), called the “Indenture”), between the Company and The Bank of New York Trust Company, N.A., as successor to J. P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National
Association), as successor trustee to PNC Bank, National Association, as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is one of the series designated on the face hereof, initially issued in the aggregate principal amount of (U.S.) $750,000,000. 
 The Securities of this series are subject to redemption, as a whole or in part, at the option of the Company, at any time or from time to time, on at least 30 days, but not more than 60 days, prior notice to the
Holders of the Securities of this series given as described below, at a redemption price equal to the greater of: 
  

	 	•	 	 100% of the principal amount to be redeemed, plus accrued interest, if any, to the redemption date; or 

  

	 	•	 	 the sum of the present values of the Remaining Scheduled Payments, as defined below, discounted, on a semiannual basis, assuming a 360-day year consisting of twelve
30-day months, at the Treasury Rate, as defined below, plus 15 basis points, plus accrued interest to the date of redemption which has not been paid. 

 “Treasury Rate” means, with respect to any redemption date: 
  

	 	•	 	 the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release
designated “H.15(519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant
maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the Comparable Treasury Issue; provided that if no maturity is within three months before or after the maturity date for this Security, yields for
the two published maturities most closely corresponding to the Comparable Treasury Issue will be determined and the Treasury Rate will be interpolated or extrapolated from those yields on a straight line basis rounding to the nearest month; or

  

	 	•	 	 if that release, or any successor release, is not published during the week preceding the calculation date or does not contain such yields, the rate per annum equal
to the semiannual equivalent yield to maturity of the Comparable Treasury Issue, calculated using a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for that
redemption date. 

 The Treasury Rate will be calculated on the third business day preceding the redemption date. 
  

 4 

 “Comparable Treasury Issue” means the United States Treasury security selected by an
Independent Investment Banker as having a maturity comparable to the remaining term of this Security to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of
corporate debt securities of comparable maturity to the remaining term of this Security. 
 “Independent Investment Banker” means
one of the Reference Treasury Dealers, to be appointed by the Company. 
 “Comparable Treasury Price” means, with respect to any
redemption date for this Security: 
  

	 	•	 	 the average of four Reference Treasury Dealer Quotations for the redemption date, after excluding the highest and lowest of such Reference Treasury Dealer
Quotations; or 

  

	 	•	 	 if the Trustee obtains fewer than four Reference Treasury Dealer Quotations, the average of all quotations obtained by the Trustee. 

 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any redemption date, the average, as
determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue, expressed in each case as a percentage of its principal amount, quoted in writing to the Trustee by such Reference Treasury Dealer at 3:30 p.m., New York City
time, on the third business day preceding such redemption date. 
 “Reference Treasury Dealer” means each of Citigroup Global
Markets Inc, Credit Suisse Securities (USA) LLC, Deutsche Bank Securities Inc. and J.P. Morgan Securities Inc., and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities
dealer, which we refer to as a “Primary Treasury Dealer,” the Company will substitute therefor another nationally recognized investment banking firm that is a Primary Treasury Dealer. 
 “Remaining Scheduled Payments” means, with respect to each Security to be redeemed, the remaining scheduled payments of the principal thereof
and interest thereon that would be due after the related redemption date but for such redemption; provided, however, that, if such redemption date is not an interest payment date with respect to such Security, the amount of the next succeeding
scheduled interest payment thereon will be deemed to be reduced by the amount of interest accrued thereon to such redemption date. 
 In the
event of redemption of this Security in part only, a new Security or Securities of this series and of like tenor for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the cancellation hereof. 
 Notice of redemption will be given by mail to Holders of Securities of this series, not less than 30 nor more than 60 days prior to the date fixed for
redemption, all as provided in the Indenture. 
 If a Change of Control Repurchase Event occurs and this Security has not been previously
redeemed, the Company will make an offer to each Holder of Securities of this series to repurchase all or any part (in integral multiples of $1,000) of that Holder’s Securities of this series at a 

  

 5 

 
repurchase price in cash equal to 101% of the aggregate principal amount of Securities of this series repurchased plus any accrued and unpaid interest on the
Securities of this series repurchased to, but not including, the date of repurchase. Within 30 days following any Change of Control Repurchase Event or, at the option of the Company, prior to any Change of Control, but after the public announcement
of the Change of Control, the Company will mail a notice to each Holder, with a copy to the Trustee, describing the transaction or transactions that constitute or may constitute the Change of Control Repurchase Event and offering to repurchase
Securities of this series on the payment date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is mailed. The notice shall, if mailed prior to the date of consummation of the
Change of Control, state that the offer to purchase is conditioned on a Change of Control Repurchase Event occurring on or prior to the payment date specified in the notice. To the extent that the provisions of any securities laws or regulations
conflict with the Change of Control Repurchase event provisions of this Security, the Company may comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under the Change of Control
Repurchase Event provisions of this Security by virtue of such conflict. 
 On the repurchase date following a Change of Control Repurchase
Event, the Company will, to the extent lawful: 
  

	 	(1)	accept for payment all Securities of this series or portions of Securities of this series properly tendered pursuant to its offer; 

  

	 	(2)	deposit with the Paying Agent an amount equal to the aggregate purchase price in respect of all Securities of this series or portions of Securities of this series properly tendered;
and 

  

	 	(3)	deliver or cause to be delivered to the Trustee the Securities of this series properly accepted, together with an Officers’ Certificate stating the aggregate principal amount
of Securities of this series being purchased by the Company. 

 The Paying Agent will promptly mail to each Holder of
Securities of this series properly tendered the purchase price for the Securities of this series, and the Trustee will promptly authenticate and mail (or cause to be transferred by book-entry) to each Holder a new Security of this series equal in
principal amount to any unpurchased portion of any Securities of this series surrendered; provided that each new Security of this series will be in a principal amount of $100,000 and integral multiples of $1,000 in excess thereof. 
 The Company will not be required to make an offer to repurchase the Securities of this series upon a Change of Control Repurchase Event if a third party
makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by the Company and such third party purchases all Securities of this series properly tendered and not withdrawn under such offer.

 “Below Investment Grade Ratings Event” means that on any day within the 60-day period (which period shall be extended so long as
the rating of the Securities of this Series is under publicly announced consideration for a possible downgrade by any of the Rating Agencies) after the earlier of (1) the occurrence of a Change of Control; or (2) public notice of the
occurrence of a Change of Control or the intention by the Company to effect a Change of Control, the Securities of this series are rated below Investment Grade by each of the Rating Agencies. Notwithstanding the foregoing, a Below Investment Grade
Ratings Event otherwise arising by virtue of a particular reduction in rating shall not be deemed to have occurred in respect of a particular Change of Control (and thus shall not be deemed a 

  

 6 

 
Below Investment Grade Ratings Event for purposes of the definition of Change of Control Repurchase Event hereunder) if the Rating Agencies making the
reduction in rating to which this definition would otherwise apply do not announce or publicly confirm or inform the Trustee in writing at its request that the reduction was the result, in whole or in part, of any event or circumstance comprised of
or arising as a result of, or in respect of, the applicable Change of Control (whether or not the applicable Change of Control shall have occurred at the time of the Ratings Event). 
 “Change of Control” means the consummation of any transaction (including, without limitation, any merger or consolidation) the result of which
is that any “person” (as that term is used in Section 13(d)(3) of the Exchange Act), other than the Company, its subsidiaries, or its or such subsidiaries’ employee benefit plans, becomes the beneficial owner (as defined in Rules
13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the combined voting power of the Company's Voting Stock or other Voting Stock into which the Company's Voting Stock is reclassified, consolidated, exchanged or
changed measured by voting power rather than number of shares. 
 “Change of Control Repurchase Event” means the occurrence of both
a Change of Control and a Below Investment Grade Ratings Event. 
 “Fitch” means Fitch Ratings Ltd. 
 “Investment Grade” means a rating of Baa3 or better by Moody’s (or its equivalent under any successor rating categories of Moody’s);
a rating of BBB- or better by S&P or Fitch (or its equivalent under any successor rating categories of S&P and Fitch); and the equivalent investment grade credit rating from any additional Rating Agency or Rating Agencies selected by the
Company. 
 “Moody’s” means Moody’s Investors Service Inc. 
 “Rating Agency” means (1) each of Moody’s, S&P and Fitch; and (2) if any of Moody’s, S&P or Fitch ceases to rate
the Securities of this series or fails to make a rating of the Securities of this series publicly available for reasons outside of the control of the Company, a “nationally recognized statistical rating organization” within the meaning of
Rule 15c3-1(c)(2)(vi)(F) under the Exchange Act, selected by the Company (as certified by a resolution of the Board of Directors) as a replacement agency for Moody’s, S&P or Fitch, or all of them, as the case may be. 
 “S&P” means Standard & Poor’s Ratings Services, a division of McGraw-Hill, Inc. 
 “Voting Stock” of any specified “person” (as that term is used in Section 13(d)(3) of the Exchange Act) as of any date means the
capital stock of such person that is at the time entitled to vote generally in the election of the board of directors of such person. 
 If
an Event of Default with respect to Securities of this series shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. 
 The provisions relating to defeasance and discharge set forth in Section 1302 of the Indenture and covenant defeasance set forth in
Section 1303 of the Indenture are applicable to the Securities of this series. 
 The Indenture permits, with certain exceptions as
therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of the Holders of 

  

 7 

 
the Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of 50% in
principal amount of the Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time
Outstanding, on behalf of the Holders of all Securities of such series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by
the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security. 
 As set forth in, and subject to, the provisions of the Indenture, no Holder
of any Security of this series will have any right to institute any proceeding with respect to the Indenture or for any remedy thereunder, unless such Holder shall have previously given to the Trustee written notice of a continuing Event of Default
with respect to this series, the Holders of not less than 25% in principal amount of the Outstanding Securities of this series shall have made written request, and offered reasonable indemnity, to the Trustee to institute such proceeding as trustee,
and the Trustee shall not have received from the Holders of a majority in principal amount of the Outstanding Securities of this series a direction inconsistent with such request and shall have failed to institute such proceeding within 60 days;
provided, however, that such limitations do not apply to a suit instituted by the Holder hereof for the enforcement of payment of the principal of and any premium or interest on this Security on or after the respective due dates expressed herein.

 No reference herein to the Indenture, and no provision of this Security or of the Indenture, shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of (and premium, if any) and interest on this Security at the times, place(s) and rate, and in the coin or currency, herein prescribed. 
 As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or agency of the Company in any place where the principal of and any premium and interest on this Security are payable or, subject to any laws or regulations applicable
thereto and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such transfer agent, at the main offices of the Company in Pittsburgh, Pennsylvania and in or at such other offices or agencies as the
Company may designate, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon
one or more new Securities of this series and of like tenor, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 
 Holders of the Securities of this series shall have the rights set forth in, and shall be deemed to be bound by the provisions of, the Registration
Rights Agreement dated as of February 23, 2007 (the “Registration Rights Agreement”) between the Company and Barclays Capital Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. Incorporated, as dealer managers,
subject to the terms and conditions set forth in the Registration Rights Agreement; provided, however, that the obligations of the Company under the Registration Rights Agreement, and the rights of the holders of the Securities of this series under
the Registration Rights Agreement, shall cease when and as provided in the Registration Rights Agreement without further notation on this Security, all pursuant to and in accordance with the terms of the Registration Rights Agreement. 
  

 8 

 The Securities of this series are issuable only in registered form, without coupons, in denominations of
$100,000 and integral multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this
series and of like tenor of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall
be made for any such registration of transfer or exchange, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security is overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 
 As used in this Security, “Business Day” means any day other than a Saturday or Sunday, that is not a day on which banking institutions are
authorized or obligated by law or executive order to close in Pittsburgh, Pennsylvania or The City of New York. All other terms used in this Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture.

  

 9 

 ASSIGNMENT FORM 
 To assign this Security, fill in the form below: 
 I or we assign and transfer this Security to 
  

	
	  

 (Print or type assignee’s name, address and zip code) 
  

	
	  

 (Insert assignee’s soc. sec. or tax I.D. No.) 
 and irrevocably appoint                     
agent to transfer this Security on the 
 books of the Company. The agent may substitute another to act for him. 
 In connection with any transfer or exchange of any of the Securities evidenced by this certificate occurring prior to the date that is two years after the later of the
date of original issuance of such Securities and the last date, if any, on which such Securities were owned by the Company or any Affiliate of the Company, the undersigned confirms that such Securities are being: 
 CHECK ONE BOX BELOW: 
  

					
	 1.
	  	 ̈	  	acquired for the undersigned’s own account, without transfer; or
			
	 2.
	  	 ̈	  	transferred to the Company or a subsidiary thereof; or
			
	 3.
	  	 ̈	  	transferred pursuant to an effective registration statement under the Securities Act of 1933, as amended (the “Securities Act”); or
			
	 4.
	  	 ̈	  	transferred pursuant to and in compliance with Rule 144A under the Securities Act; or
			
	 5.
	  	 ̈	  	transferred outside the United States in an offshore transaction in compliance with Rule 904 of Regulation S under the Securities Act; or
			
	 6.
	  	 ̈	  	transferred pursuant to another available exemption from the registration requirements of the Securities Act.

 Unless one of the boxes is checked, the Indenture Trustee will refuse to register any of the Securities evidenced
by this certificate in the name of any Person other than the registered holder thereof; provided, however, that if box (5) or (6) is checked, the Indenture Trustee or the Company may require, prior to registering any such transfer
of the Securities, in their sole discretion, such legal opinions, certifications and other information as the Indenture Trustee or the Company may reasonably request to confirm that such transfer is being made pursuant to an exemption from, or in a
transaction not subject to, the registration requirements of the Securities Act, such as the exemption provided by Rule 144 under such Act. 
  

 10 

 Unless this Security has been transferred to the Company or a subsidiary thereof, the undersigned confirms that this
Security is not being transferred to an “affiliate” of the Company as defined in Rule 144 under the Securities Act. 
 Signature Guarantee:

  

			
	  
	    	  

	(Signature must be guaranteed)	    	Signature

 The signature(s) should be guaranteed by an eligible guarantor institution (banks, stockbrokers, savings and loan
associations and credit unions) with membership in an approved signature guarantee medallion program, pursuant to S.E.C. Rule 17Ad-15. 
  

	
	  

	Dated:

 IF BOX (1) OR (4) ABOVE IS CHECKED, THE FOLLOWING APPLIES: 
 The undersigned represents and warrants that it is purchasing this Security for its own account or an account with respect to which it exercises sole investment
discretion and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities Act of 1933, as amended, and is aware that the sale to it is being made in reliance on Rule 144A and
acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the
undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule 144A. 
  

			
	 	    	  

	 	    	Signature

  

 11 

 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”), AND ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH IN THE FOLLOWING SENTENCE. 
 BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) OR (B) IT IS NOT A U.S. PERSON AND IS
ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S UNDER THE SECURITIES ACT, (2) AGREES THAT IT WILL NOT WITHIN THE TIME PERIOD REFERRED TO IN RULE 144(K) UNDER THE SECURITIES ACT AS IN EFFECT ON THE DATE OF THE
TRANSFER OF THIS SECURITY, RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO ALCOA INC. OR ANY SUBSIDIARY THEREOF, (B) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) OUTSIDE THE
UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (D) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) OR (E) PURSUANT TO
AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND (3) AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS
SECURITY WITHIN THE TIME PERIOD REFERRED TO ABOVE, THE HOLDER MUST CHECK THE APPROPRIATE BOX SET FORTH ON THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT THIS CERTIFICATE TO THE INDENTURE TRUSTEE. AS USED HEREIN, THE TERMS
“OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S. PERSON” HAVE THE MEANINGS GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. 
 IN ADDITION, PRIOR TO ANY TRANSFER OF THIS SECURITY, THE HOLDER MUST FURNISH TO THE INDENTURE TRUSTEE SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE INDENTURE TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS
BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 THIS SECURITY IS A
REGISTERED GLOBAL NOTE AND IS REGISTERED IN THE NAME OF CEDE & CO., AS NOMINEE OF THE DEPOSITORY TRUST COMPANY (“DTC”). 
 Unless this
certificate is presented by an authorized representative of DTC to Alcoa Inc. or its agent for registration of transfer, exchange, or payment, and any certificate issued is registered in the name of Cede & Co. or in such other name as is
requested by an authorized representative of DTC (and any payment is made to Cede & Co. or to such other entity as is requested by an authorized representative of DTC), any transfer, pledge, or other use hereof for value or otherwise by or
to any person is wrongful since the registered owner hereof, Cede & Co., has an interest herein. 
 This Security is a Book-Entry Security within
the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary or a nominee thereof. This Security may not be transferred to, or registered or exchanged for Securities registered in the name of, any Person other
than the Depositary or a nominee thereof and no such transfer may be registered, except in the limited circumstances described in the Indenture. Every Security authenticated and delivered upon registration of transfer of, or in exchange for or in
lieu of, this Security shall be a Book-Entry Security subject to the foregoing, except in such limited circumstances described in the Indenture. 

 ALCOA INC. 
 5.72% Notes Due 2019 
  

									
	 No. RS-1
	 		 		 		 	(U.S.) $48,426,000
		 		 		 		 	CUSIP # U01347AA8
		 		 		 		 	ISIN# USU01347AA84

 Alcoa Inc., a corporation duly organized and existing under the laws of Pennsylvania (herein
called the “Company”, which term includes any successor Person under the Indenture referred to on the reverse hereof), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of Forty
Eight Million Four Hundred Twenty Six Thousand (United States) Dollars on February 23, 2019, and to pay interest thereon from February 23, 2007, or from the most recent February 23 or August 23 (each, an “Interest Payment
Date”) to which interest has been paid or duly provided for, semi-annually in arrears on February 23 and August 23 in each year, commencing August 23, 2007, at the rate of 5.72% per annum, until the principal hereof is paid
or made available for payment. The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date for such interest, which shall be the February 8 or August 8 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date.
Interest will be paid on the basis of a 360-day year consisting of twelve 30-day months. Except as otherwise provided in the Indenture, any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on
such Regular Record Date and may either be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed
by the Trustee, notice whereof shall be given to Holders of Securities of this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities
exchange on which the Securities of this series may be listed, and upon such notice as may be required by such exchange, all as more fully provided in said Indenture. 
 Payment of the principal of and any premium and interest on this Security will be made (a) at the Corporate Trust Office of the Trustee or such other office or agency of the Company as may be designated by it for
such purpose in the Borough of Manhattan, The City of New York, in such coin or currency of the United States of America as at the time of payment shall be legal tender for the payment of public and private debts or (b) subject to any laws or
regulations applicable thereto and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such Paying Agent, at the main offices of the Company in Pittsburgh, Pennsylvania, or at such other offices or
agencies as the Company may designate, by United States dollar check drawn on, or transfer to a United States dollar account maintained by the payee with, a bank in The City of New York; provided, however, that at the option of the Company payment
of interest may be made by United States dollar check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register. 
 Reference is hereby made to the further provisions of this Security set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof, directly or through an Authenticating
Agent, by manual signature of an 

 
authorized signatory, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 
 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its corporate seal. 
 Dated: February 23, 2007 
  

							
	 	 	 	 	ALCOA INC.
				
	Attest:	 	 /s/ Brenda A. Hart
	 	By:	 	 /s/ Charles D. McLane, Jr.

		 	Assistant Secretary	 		 	Vice President and Chief Financial Officer

 [SEAL] 
  

 2 

 CERTIFICATE OF AUTHENTICATION 
 This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture. 
 THE BANK OF NEW YORK TRUST COMPANY,
N. A. 
 as Trustee 
  

			
	By:	 	 /s/ David M. Babich

		 	Authorized Signatory

  

 3 

 This Security is one of a duly authorized issue of securities of the Company (herein called the
“Securities”), issued and to be issued in one or more series under an Indenture, dated as of September 30, 1993 (herein, as supplemented by the First Supplemental Indenture dated January 25, 2007 between the Company and the
Trustee (as defined below), called the “Indenture”), between the Company and The Bank of New York Trust Company, N.A., as successor to J. P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National
Association), as successor trustee to PNC Bank, National Association, as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is one of the series designated on the face hereof, initially issued in the aggregate principal amount of (U.S.) $750,000,000. 
 The Securities of this series are subject to redemption, as a whole or in part, at the option of the Company, at any time or from time to time, on at least 30 days, but not more than 60 days, prior notice to the
Holders of the Securities of this series given as described below, at a redemption price equal to the greater of: 
  

	 	•	 	 100% of the principal amount to be redeemed, plus accrued interest, if any, to the redemption date; or 

  

	 	•	 	 the sum of the present values of the Remaining Scheduled Payments, as defined below, discounted, on a semiannual basis, assuming a 360-day year consisting of twelve
30-day months, at the Treasury Rate, as defined below, plus 15 basis points, plus accrued interest to the date of redemption which has not been paid. 

 “Treasury Rate” means, with respect to any redemption date: 
  

	 	•	 	 the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release
designated “H.15(519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant
maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the Comparable Treasury Issue; provided that if no maturity is within three months before or after the maturity date for this Security, yields for
the two published maturities most closely corresponding to the Comparable Treasury Issue will be determined and the Treasury Rate will be interpolated or extrapolated from those yields on a straight line basis rounding to the nearest month; or

  

	 	•	 	 if that release, or any successor release, is not published during the week preceding the calculation date or does not contain such yields, the rate per annum equal
to the semiannual equivalent yield to maturity of the Comparable Treasury Issue, calculated using a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for that
redemption date. 

 The Treasury Rate will be calculated on the third business day preceding the redemption date. 
  

 4 

 “Comparable Treasury Issue” means the United States Treasury security selected by an
Independent Investment Banker as having a maturity comparable to the remaining term of this Security to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of
corporate debt securities of comparable maturity to the remaining term of this Security. 
 “Independent Investment Banker” means
one of the Reference Treasury Dealers, to be appointed by the Company. 
 “Comparable Treasury Price” means, with respect to any
redemption date for this Security: 
  

	 	•	 	 the average of four Reference Treasury Dealer Quotations for the redemption date, after excluding the highest and lowest of such Reference Treasury Dealer
Quotations; or 

  

	 	•	 	 if the Trustee obtains fewer than four Reference Treasury Dealer Quotations, the average of all quotations obtained by the Trustee. 

 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any redemption date, the average, as
determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue, expressed in each case as a percentage of its principal amount, quoted in writing to the Trustee by such Reference Treasury Dealer at 3:30 p.m., New York City
time, on the third business day preceding such redemption date. 
 “Reference Treasury Dealer” means each of Citigroup Global
Markets Inc, Credit Suisse Securities (USA) LLC, Deutsche Bank Securities Inc. and J.P. Morgan Securities Inc., and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities
dealer, which we refer to as a “Primary Treasury Dealer,” the Company will substitute therefor another nationally recognized investment banking firm that is a Primary Treasury Dealer. 
 “Remaining Scheduled Payments” means, with respect to each Security to be redeemed, the remaining scheduled payments of the principal thereof
and interest thereon that would be due after the related redemption date but for such redemption; provided, however, that, if such redemption date is not an interest payment date with respect to such Security, the amount of the next succeeding
scheduled interest payment thereon will be deemed to be reduced by the amount of interest accrued thereon to such redemption date. 
 In the
event of redemption of this Security in part only, a new Security or Securities of this series and of like tenor for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the cancellation hereof. 
 Notice of redemption will be given by mail to Holders of Securities of this series, not less than 30 nor more than 60 days prior to the date fixed for
redemption, all as provided in the Indenture. 
 If a Change of Control Repurchase Event occurs and this Security has not been previously
redeemed, the Company will make an offer to each Holder of Securities of this series to repurchase all or any part (in integral multiples of $1,000) of that Holder’s Securities of this series at a 

  

 5 

 
repurchase price in cash equal to 101% of the aggregate principal amount of Securities of this series repurchased plus any accrued and unpaid interest on the
Securities of this series repurchased to, but not including, the date of repurchase. Within 30 days following any Change of Control Repurchase Event or, at the option of the Company, prior to any Change of Control, but after the public announcement
of the Change of Control, the Company will mail a notice to each Holder, with a copy to the Trustee, describing the transaction or transactions that constitute or may constitute the Change of Control Repurchase Event and offering to repurchase
Securities of this series on the payment date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is mailed. The notice shall, if mailed prior to the date of consummation of the
Change of Control, state that the offer to purchase is conditioned on a Change of Control Repurchase Event occurring on or prior to the payment date specified in the notice. To the extent that the provisions of any securities laws or regulations
conflict with the Change of Control Repurchase event provisions of this Security, the Company may comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under the Change of Control
Repurchase Event provisions of this Security by virtue of such conflict. 
 On the repurchase date following a Change of Control Repurchase
Event, the Company will, to the extent lawful: 
  

	 	(1)	accept for payment all Securities of this series or portions of Securities of this series properly tendered pursuant to its offer; 

  

	 	(2)	deposit with the Paying Agent an amount equal to the aggregate purchase price in respect of all Securities of this series or portions of Securities of this series properly tendered;
and 

  

	 	(3)	deliver or cause to be delivered to the Trustee the Securities of this series properly accepted, together with an Officers’ Certificate stating the aggregate principal amount
of Securities of this series being purchased by the Company. 

 The Paying Agent will promptly mail to each Holder of
Securities of this series properly tendered the purchase price for the Securities of this series, and the Trustee will promptly authenticate and mail (or cause to be transferred by book-entry) to each Holder a new Security of this series equal in
principal amount to any unpurchased portion of any Securities of this series surrendered; provided that each new Security of this series will be in a principal amount of $100,000 and integral multiples of $1,000 in excess thereof. 
 The Company will not be required to make an offer to repurchase the Securities of this series upon a Change of Control Repurchase Event if a third party
makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by the Company and such third party purchases all Securities of this series properly tendered and not withdrawn under such offer.

 “Below Investment Grade Ratings Event” means that on any day within the 60-day period (which period shall be extended so long as
the rating of the Securities of this Series is under publicly announced consideration for a possible downgrade by any of the Rating Agencies) after the earlier of (1) the occurrence of a Change of Control; or (2) public notice of the
occurrence of a Change of Control or the intention by the Company to effect a Change of Control, the Securities of this series are rated below Investment Grade by each of the Rating Agencies. Notwithstanding the foregoing, a Below Investment Grade
Ratings Event otherwise arising by virtue of a particular reduction in rating shall not be deemed to have occurred in respect of a particular Change of Control (and thus shall not be deemed a 

  

 6 

 
Below Investment Grade Ratings Event for purposes of the definition of Change of Control Repurchase Event hereunder) if the Rating Agencies making the
reduction in rating to which this definition would otherwise apply do not announce or publicly confirm or inform the Trustee in writing at its request that the reduction was the result, in whole or in part, of any event or circumstance comprised of
or arising as a result of, or in respect of, the applicable Change of Control (whether or not the applicable Change of Control shall have occurred at the time of the Ratings Event). 
 “Change of Control” means the consummation of any transaction (including, without limitation, any merger or consolidation) the result of which
is that any “person” (as that term is used in Section 13(d)(3) of the Exchange Act), other than the Company, its subsidiaries, or its or such subsidiaries’ employee benefit plans, becomes the beneficial owner (as defined in Rules
13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the combined voting power of the Company's Voting Stock or other Voting Stock into which the Company's Voting Stock is reclassified, consolidated, exchanged or
changed measured by voting power rather than number of shares. 
 “Change of Control Repurchase Event” means the occurrence of both
a Change of Control and a Below Investment Grade Ratings Event. 
 “Fitch” means Fitch Ratings Ltd. 
 “Investment Grade” means a rating of Baa3 or better by Moody’s (or its equivalent under any successor rating categories of Moody’s);
a rating of BBB- or better by S&P or Fitch (or its equivalent under any successor rating categories of S&P and Fitch); and the equivalent investment grade credit rating from any additional Rating Agency or Rating Agencies selected by the
Company. 
 “Moody’s” means Moody’s Investors Service Inc. 
 “Rating Agency” means (1) each of Moody’s, S&P and Fitch; and (2) if any of Moody’s, S&P or Fitch ceases to rate
the Securities of this series or fails to make a rating of the Securities of this series publicly available for reasons outside of the control of the Company, a “nationally recognized statistical rating organization” within the meaning of
Rule 15c3-1(c)(2)(vi)(F) under the Exchange Act, selected by the Company (as certified by a resolution of the Board of Directors) as a replacement agency for Moody’s, S&P or Fitch, or all of them, as the case may be. 
 “S&P” means Standard & Poor’s Ratings Services, a division of McGraw-Hill, Inc. 
 “Voting Stock” of any specified “person” (as that term is used in Section 13(d)(3) of the Exchange Act) as of any date means the
capital stock of such person that is at the time entitled to vote generally in the election of the board of directors of such person. 
 If
an Event of Default with respect to Securities of this series shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. 
 The provisions relating to defeasance and discharge set forth in Section 1302 of the Indenture and covenant defeasance set forth in
Section 1303 of the Indenture are applicable to the Securities of this series. 
 The Indenture permits, with certain exceptions as
therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of the Holders of 

  

 7 

 
the Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of 50% in
principal amount of the Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time
Outstanding, on behalf of the Holders of all Securities of such series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by
the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security. 
 As set forth in, and subject to, the provisions of the Indenture, no Holder
of any Security of this series will have any right to institute any proceeding with respect to the Indenture or for any remedy thereunder, unless such Holder shall have previously given to the Trustee written notice of a continuing Event of Default
with respect to this series, the Holders of not less than 25% in principal amount of the Outstanding Securities of this series shall have made written request, and offered reasonable indemnity, to the Trustee to institute such proceeding as trustee,
and the Trustee shall not have received from the Holders of a majority in principal amount of the Outstanding Securities of this series a direction inconsistent with such request and shall have failed to institute such proceeding within 60 days;
provided, however, that such limitations do not apply to a suit instituted by the Holder hereof for the enforcement of payment of the principal of and any premium or interest on this Security on or after the respective due dates expressed herein.

 No reference herein to the Indenture, and no provision of this Security or of the Indenture, shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of (and premium, if any) and interest on this Security at the times, place(s) and rate, and in the coin or currency, herein prescribed. 
 As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or agency of the Company in any place where the principal of and any premium and interest on this Security are payable or, subject to any laws or regulations applicable
thereto and to the right of the Company (limited as provided in the Indenture) to rescind the designation of any such transfer agent, at the main offices of the Company in Pittsburgh, Pennsylvania and in or at such other offices or agencies as the
Company may designate, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon
one or more new Securities of this series and of like tenor, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 
 Holders of the Securities of this series shall have the rights set forth in, and shall be deemed to be bound by the provisions of, the Registration
Rights Agreement dated as of February 23, 2007 (the “Registration Rights Agreement”) between the Company and Barclays Capital Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. Incorporated, as dealer managers,
subject to the terms and conditions set forth in the Registration Rights Agreement; provided, however, that the obligations of the Company under the Registration Rights Agreement, and the rights of the holders of the Securities of this series under
the Registration Rights Agreement, shall cease when and as provided in the Registration Rights Agreement without further notation on this Security, all pursuant to and in accordance with the terms of the Registration Rights Agreement. 
  

 8 

 The Securities of this series are issuable only in registered form, without coupons, in denominations of
$100,000 and integral multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this
series and of like tenor of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall
be made for any such registration of transfer or exchange, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security is overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 
 As used in this Security, “Business Day” means any day other than a Saturday or Sunday, that is not a day on which banking institutions are
authorized or obligated by law or executive order to close in Pittsburgh, Pennsylvania or The City of New York. All other terms used in this Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture.

  

 9 

 ASSIGNMENT FORM 
 To assign this Security, fill in the form below: 
 I or we assign and transfer this Security to 
  

	
	  

 (Print or type assignee’s name, address and zip code) 
  

	
	  

 (Insert assignee’s soc. sec. or tax I.D. No.) 
 and irrevocably appoint                     
agent to transfer this Security on the 
 books of the Company. The agent may substitute another to act for him. 
 In connection with any transfer or exchange of any of the Securities evidenced by this certificate occurring prior to the date that is two years after the later of the
date of original issuance of such Securities and the last date, if any, on which such Securities were owned by the Company or any Affiliate of the Company, the undersigned confirms that such Securities are being: 
 CHECK ONE BOX BELOW: 
  

					
	 1.
	  	 ̈	  	acquired for the undersigned’s own account, without transfer; or
			
	 2.
	  	 ̈	  	transferred to the Company or a subsidiary thereof; or
			
	 3.
	  	 ̈	  	transferred pursuant to an effective registration statement under the Securities Act of 1933, as amended (the “Securities Act”); or
			
	 4.
	  	 ̈	  	transferred pursuant to and in compliance with Rule 144A under the Securities Act; or
			
	 5.
	  	 ̈	  	transferred outside the United States in an offshore transaction in compliance with Rule 904 of Regulation S under the Securities Act; or
			
	 6.
	  	 ̈	  	transferred pursuant to another available exemption from the registration requirements of the Securities Act.

 Unless one of the boxes is checked, the Indenture Trustee will refuse to register any of the Securities evidenced
by this certificate in the name of any Person other than the registered holder thereof; provided, however, that if box (5) or (6) is checked, the Indenture Trustee or the Company may require, prior to registering any such transfer
of the Securities, in their sole discretion, such legal opinions, certifications and other information as the Indenture Trustee or the Company may reasonably request to confirm that such transfer is being made pursuant to an exemption from, or in a
transaction not subject to, the registration requirements of the Securities Act, such as the exemption provided by Rule 144 under such Act. 
  

 10 

 Unless this Security has been transferred to the Company or a subsidiary thereof, the undersigned confirms that this
Security is not being transferred to an “affiliate” of the Company as defined in Rule 144 under the Securities Act. 
 Signature Guarantee:

  

			
	  
	    	  

	(Signature must be guaranteed)	    	Signature

 The signature(s) should be guaranteed by an eligible guarantor institution (banks, stockbrokers, savings and loan
associations and credit unions) with membership in an approved signature guarantee medallion program, pursuant to S.E.C. Rule 17Ad-15. 
  

	
	  

	Dated:

 IF BOX (1) OR (4) ABOVE IS CHECKED, THE FOLLOWING APPLIES: 
 The undersigned represents and warrants that it is purchasing this Security for its own account or an account with respect to which it exercises sole investment
discretion and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities Act of 1933, as amended, and is aware that the sale to it is being made in reliance on Rule 144A and
acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the
undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule 144A. 
  

			
	 	    	  

	 	    	Signature

  

 11

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