Document:

Document

Exhibit 4.2
CAMELOT RETURN MERGER SUB, INC.
as Issuer
and
the Guarantors from time to time party to the Indenture
and
WILMINGTON TRUST, NATIONAL ASSOCIATION
as Trustee and Note Collateral Agent
____
FIRST SUPPLEMENTAL INDENTURE
DATED AS OF JULY 25, 2022
____
8.750% Senior Secured Notes Due 2028
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FIRST SUPPLEMENTAL INDENTURE, dated as of July 25, 2022 (this “Supplemental Indenture”), among CAMELOT RETURN MERGER SUB, INC. (the “Company”), as issuer, the Guarantors from time to time party to the Indenture referred to below (the “Guarantors”), WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee under the Indenture referred to below (the “Trustee”), and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Note Collateral Agent under the Indenture referred to below (the “Note Collateral Agent”).
W I T N E S S E T H:
WHEREAS, the Company, the Trustee and the Note Collateral Agent are party to a Secured Notes Indenture, dated as of July 25, 2022 (as amended, supplemented, waived or otherwise modified, the “Indenture”), relating to the issuance from time to time by the Company of Notes;
WHEREAS, Section 901(8) of the Indenture provides that the Company may provide for the issuance of Notes of any series as permitted by Section 301 therein;
WHEREAS, in connection with the issuance of the 2028 Notes (as defined herein), the Company has duly authorized the execution and delivery of this Supplemental Indenture to establish the forms and terms of the 2028 Notes as hereinafter described; and
WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;
NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Company, the Trustee and the Note Collateral Agent mutually covenant and agree for the benefit of the Holders of the Notes as follows:
1.  Defined Terms.  As used in this Supplemental Indenture, terms not otherwise defined herein and defined in the Indenture or in the preamble or recitals hereto are used herein as so defined.  The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular section hereof.
2.  Title of Notes.  There shall be a series of Notes of the Company designated the “8.750% Senior Secured Notes due 2028” (the “2028 Notes”).
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3.  Maturity Date.  The final Stated Maturity of the 2028 Notes shall be August 1, 2028.
4.  Interest and Interest Rates.  Interest on the Outstanding principal amount of 2028 Notes will accrue at the rate of 8.750% per annum and will be payable semi-annually in arrears on January 15 and July 15 in each year and August 1, 2028 (provided that, if the Initial Term Loans (as defined in the Senior Cash Flow Agreement) outstanding as of the Issue Date will not be discharged as of July 15, 2027, in lieu of the Interest Payment Date that would otherwise be on January 15, 2028, such Interest Payment Date will instead be on April 15, 2028), commencing on January 15, 2023, to holders of record on the immediately preceding January 1 and July 1, respectively, and, with respect to the August 1, 2028 Interest Payment Date, July 15, 2028 (provided that, if the Initial Term Loans (as defined in the Senior Cash Flow Agreement) outstanding as of the Issue Date will not be discharged as of July 15, 2027, in lieu of the Regular Record Date that would otherwise be on January 1, 2028, such Regular Record Date will instead be on April 1, 2028) (each such January 1 and July 1, and, as applicable, July 15, 2028 and April 1, 2028, a “Regular Record Date”).  Interest on the 2028 Notes will accrue from the most recent date to which interest has been paid or provided for or, if no interest has been paid, from July 25, 2022, except that interest on any Additional 2028 Notes (as defined below) issued on or after the first Interest Payment Date will accrue (or will be deemed to have accrued) from the most recent date to which interest has been paid or duly provided for or, if no interest has been paid on such Additional 2028 Notes, from the Interest Payment Date immediately preceding the date of issuance of such Additional 2028 Notes (or if the date of issuance of such Additional 2028 Notes is an Interest Payment Date, from such date of issuance); provided that if any 2028 Note issued in exchange therefor is surrendered for exchange on or after a Regular Record Date for an Interest Payment Date that will occur on or after the date of such exchange, interest on such 2028 Note received in exchange thereof will accrue from such Interest Payment Date.
5.  No Limitation on Aggregate Principal Amount.  The aggregate principal amount of 2028 Notes that may be authenticated and delivered and Outstanding under the Indenture is not limited.  The aggregate principal amount of the 2028 Notes shall initially be $710.0 million.  Subject to Section 407 of the Indenture, the Company may from time to time, without the consent of the Holders, create and issue Additional Notes having the same terms and conditions as the 2028 Notes in all respects or in all respects except for issue date, issue price and, if applicable, the first date on which interest accrues and the first payment of interest thereon.  Additional Notes issued in this manner will be consolidated with, and will form a single series with, the 2028 Notes (any such Additional Notes, “Additional 2028 Notes”), unless otherwise specified for Additional 2028 Notes in an applicable Notes Supplemental Indenture, or otherwise designated by the Company, as contemplated by Section 301 of the Indenture.
6.  Redemption.  The 2028 Notes will be redeemable, at the Company’s option, at any time prior to maturity in accordance with the provisions of this Section 6.
(a)  The 2028 Notes will be redeemable, at the Company’s option, in whole or in part, at any time and from time to time on and after August 1, 2024 and prior to maturity at the applicable redemption price set forth below.  The 2028 Notes will be so redeemable at the 
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following redemption prices (expressed as a percentage of principal amount), plus accrued and unpaid interest, if any, to but not including the relevant Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date falling prior to or on the Redemption Date pursuant to Section 307 of the Indenture), if redeemed during the 12-month period commencing on August 1 of the years set forth below:
									
	Redemption Period		Price
	2024.................................................................................................................		106.563%
	2025..............................................................................................................		103.281%
	2026 and thereafter ......................................................................................		100.000%

(b)       In addition, at any time and from time to time prior to August 1, 2024, the Company at its option may redeem 2028 Notes in an aggregate principal amount equal to up to 40.0% of the original aggregate principal amount of the Notes (including the principal amount of any Additional 2028 Notes, or any other Additional Notes of the same series as the 2028 Notes, with funds in an equal aggregate amount (the “Redemption Amount”) not exceeding the aggregate proceeds of one or more Equity Offerings, at a redemption price (expressed as a percentage of principal amount thereof) of 108.750%, plus accrued and unpaid interest, if any, to but not including the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date falling prior to or on the Redemption Date pursuant to Section 307 of the Indenture) (each, an “Equity Offering Redemption”)); provided, however, that an aggregate principal amount of 2028 Notes equal to at least 50.0% of the original aggregate principal amount of 2028 Notes (including the principal amount of any Additional 2028 Notes, or any other Additional Notes of the same series as the 2028 Notes) must remain outstanding immediately after each such redemption of 2028 Notes (unless all 2028 Notes are otherwise repurchased or redeemed substantially concurrently with the corresponding Equity Offering Redemption).  Any amount payable pursuant to this Section 6(b) may be funded from any source (including amounts in excess of the Redemption Amount).  Any notice of any such redemption may be given prior to the completion of the related Equity Offering, but in no event may be given more than 180 days after the completion of the related Equity Offering. 
(c)        [Reserved].
(d)       At any time prior to August 1, 2024, 2028 Notes may also be redeemed in whole or in part, at the Company’s option, at a price (the “Redemption Price”) equal to 100.0% of the principal amount thereof plus the Applicable Premium (as defined below) as of, and accrued and unpaid interest, if any, to but not including the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date falling prior to or on the Redemption Date pursuant to Section 307 of the Indenture).
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“Applicable Premium” means, with respect to a 2028 Note at any Redemption Date, the greater of (i) 1.00% of the principal amount of such 2028 Note and (ii) the excess of (A) the present value at such Redemption Date, calculated as of the date of the applicable redemption notice, of (1) the redemption price of such 2028 Note on August 1, 2024 (such redemption price being that described in Section 6(a)), plus (2) all required remaining scheduled interest payments due on such 2028 Note through such date (excluding accrued and unpaid interest to the Redemption Date), computed using a discount rate equal to the Treasury Rate plus 50 basis points, over (B) the principal amount of such 2028 Note on such Redemption Date.  Calculation of the Applicable Premium will be made by the Company or on behalf of the Company by such Person as the Company shall designate; provided that such calculation shall not be a duty or obligation of the Trustee.
“Treasury Rate” means, with respect to a Redemption Date, the weekly average yield to maturity at the time of computation of United States Treasury securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15(519) that has become publicly available at least two Business Days prior to the date of the applicable redemption notice (or, if such Statistical Release is no longer published or the relevant information does not appear thereon, any publicly available source of similar market data)) most nearly equal to the period from such Redemption Date to August 1, 2024; provided, however, that if the period from the Redemption Date to such date is not equal to the constant maturity of a United States Treasury security for which a weekly average yield is given, the Treasury Rate shall be obtained by linear interpolation (calculated to the nearest one-twelfth of a year) from the weekly average yields of United States Treasury securities for which such yields are given, except that if the period from the Redemption Date to such date is less than one year, the weekly average yield on actually traded United States Treasury securities adjusted to a constant maturity of one year shall be used.
(e)        Notwithstanding clauses (a) through (d) of this Section 6, in connection with any tender for all of any series of the 2028 Notes (including pursuant to an Offer), if Holders of not less than 90.0% in the aggregate principal amount of the outstanding 2028 Notes of such series (including the principal amount of any Additional 2028 Notes, or any other Additional Notes of the same series as the 2028 Notes) validly tender and do not withdraw such Notes in such tender offer and the Company, or any other Person making such tender offer, purchases all of the 2028 Notes of such series (including any Additional 2028 Notes and any Additional Notes of the same series as the 2028 Notes) validly tendered and not withdrawn by such Holders, the Company will have the right, upon notice given not more than 30 days following such purchase pursuant to such tender offer, to redeem all of the 2028 Notes (including any Additional 2028 Notes, or any other Additional Notes of the same series as the 2028 Notes) of such series that remain outstanding following such purchase at a price in cash equal to the price offered to each Holder in such tender offer, plus, to the extent not included in the tender offer payment, accrued and unpaid interest to but excluding the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date falling prior to or on the Redemption Date).  In determining whether the Holders of at least 90.0% in the aggregate principal amount of the outstanding Notes have validly tendered and not validly withdrawn the Notes in an offer, Notes owned by an 
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Affiliate of the Company or by funds controlled or managed by an Affiliate of the Company, or any successor thereof, shall be deemed to be outstanding for the purposes of such offer.
(f)        Any redemption of Notes pursuant to this Section 6 may be made upon notice sent electronically to each Holder’s registered address in accordance with Section 1005 of the Indenture, and, if applicable, the Company should notify the Trustee of such Redemption Date, and the principal amount of Notes to be redeemed in accordance with Section 1003 of the Indenture.  The Company may provide in any redemption notice that payment of the redemption price and the performance of the Company’s obligations with respect to such redemption may be performed by another Person.
(g)       Any redemption of Notes pursuant to this Section 6 (including in connection with an Equity Offering, a Change of Control, other transaction or event or otherwise) or notice thereof may, at the Company’s discretion, be subject to the satisfaction (or, waiver by the Company in its sole discretion) of one or more conditions precedent, which may include consummation of any related Equity Offering or the completion or occurrence of a Change of Control, Asset Disposition or other transaction or event, as the case may be.  If such redemption or notice is subject to satisfaction of one or more conditions precedent, such notice may state that, in the Company’s discretion, the Redemption Date may be delayed until such time as any or all such conditions shall be satisfied (or waived by the Company in its sole discretion), or such redemption may not occur and such notice may be rescinded in the event that any or all such conditions shall not have been (or, in the Company’s sole determination, may not be) satisfied (or waived by the Company in its sole discretion) by the Redemption Date, or by the Redemption Date so delayed.  The Company, the CD&R Investors and their respective Affiliates may acquire the Notes whether by tender offer, open market purchases, negotiated transactions or otherwise.
7.  [Reserved].
8.  Form.  The 2028 Notes shall be issued substantially in the form set forth, or referenced, in Article II of the Indenture, and either Exhibit A or B attached to the Indenture, in each case as provided for in Section 201 of the Indenture (as such form may be modified in accordance with Section 301 of the Indenture).
9.  Governing Law.  THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.  THE TRUSTEE, THE NOTE COLLATERAL AGENT, THE COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE 2028 NOTES AND (BY THEIR ACCEPTANCE OF THE 2028 NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.
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10.  Ratification of Indenture; Supplemental Indentures Part of Indenture.  Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect.  This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of 2028 Notes heretofore or hereafter authenticated and delivered shall be bound hereby.  Neither the Trustee nor the Note Collateral Agent makes any representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.
11.  Counterparts.  The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement.  The exchange of copies of this Supplemental Indenture and of signature pages by facsimile, PDF or other electronic transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile, PDF or other electronic methods shall be deemed to be their original signatures for all purposes.
12.  Headings.  The section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.
    
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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

												
		CAMELOT RETURN MERGER SUB, INC.
				
		By:	/s/ Tyler Young
			Name:	Tyler Young
			Title:	Vice President
				
		
				
			
				
				

[SIGNATURE PAGE TO CAMELOT FIRST SUPPLEMENTAL INDENTURE]

												
		WILMINGTON TRUST, NATIONAL
		ASSOCIATION, as Trustee
				
		By:	/s/ Barry D. Somrock
			Name:	Barry D. Somrock
			Title:	Vice President
				
		
				
		WILMINGTON TRUST, NATIONAL
		ASSOCIATION, as Note Collateral Agent
				
		By:	/s/ Barry D. Somrock
			Name:	Barry D. Somrock
			Title:	Vice President

[SIGNATURE PAGE TO CAMELOT FIRST SUPPLEMENTAL INDENTURE]Document

Exhibit 4.3

Second Supplemental Indenture in Respect of Guarantees
SECOND SUPPLEMENTAL INDENTURE, dated as of July 25, 2022 (this “Supplemental Indenture”), among Camelot Return Intermediate Holdings, Inc., a Delaware corporation (“Holdings”), the Subsidiary Guarantors listed on Schedule 1 hereto (the “Subsidiary Guarantors” and, together with Holdings, the “Guarantors”), Cornerstone Building Brands, Inc., a Delaware corporation, as successor to the Predecessor Issuer (as defined below) (the “Company”), Wilmington Trust, National Association, as Trustee under the Indenture referred to below (the “Trustee”), and Wilmington Trust, National Association, as Note Collateral Agent under the Indenture referred to below (the “Note Collateral Agent”).
W I T N E S S E T H:
WHEREAS, Camelot Return Merger Sub, Inc., a Delaware corporation (the “Predecessor Issuer”), the Trustee and the Note Collateral Agent have heretofore become parties to a Secured Notes Indenture, dated as of July 25, 2022 (as supplemented by the First Supplemental Indenture, dated as of July 25, 2022, and as further amended, supplemented, waived or otherwise modified, the “Indenture”), providing for the issuance of Notes in series;
WHEREAS, the Predecessor Issuer has merged with and into the Company, with the Company being the surviving entity;
WHEREAS, Article V of the Indenture provides that the Predecessor Issuer shall be permitted to merge with or into any Person, provided that upon any such merger such resulting, surviving, or transferee Person shall expressly assume all obligations of the Predecessor Issuer under the Notes and the Indenture by executing and delivering to the Trustee a supplemental indenture or one or more other documents or instruments in form reasonably satisfactory to the Trustee, and that thereupon the Predecessor Issuer shall be relieved of all obligations and covenants under the Indenture;
WHEREAS, Section 1308 of the Indenture provides that the Company is required to cause the Subsidiary Guarantors to execute and deliver to the Trustee a supplemental indenture pursuant to which the Subsidiary Guarantors shall guarantee the Company’s Subsidiary Guaranteed Obligations under the Notes pursuant to a Subsidiary Guarantee on the terms and conditions set forth herein and in Article XIII of the Indenture;
WHEREAS, Section 1408 of the Indenture provides that the Company is required to cause Holdings to execute and deliver to the Trustee a supplemental indenture pursuant to which Holdings shall guarantee the Company’s Parent Guaranteed Obligations under the Notes pursuant to a Parent Guarantee on the terms and conditions set forth herein and in Article XIV of the Indenture;
WHEREAS, each Guarantor desires to enter into such supplemental indenture for good and valuable consideration, including substantial economic benefit in that the financial 
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performance and condition of such Subsidiary Guarantor is dependent on the financial performance and condition of the Company, the obligations hereunder of which such Subsidiary Guarantor has guaranteed, and on such Subsidiary Guarantor’s access to working capital through the Company’s access to revolving credit borrowings and term borrowings under the Senior Credit Facilities; and
WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;
NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Guarantors, the Company, the Trustee and the Note Collateral Agent mutually covenant and agree for the benefit of the Holders of the Notes as follows:
1.         Defined Terms.  As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recitals hereto are used herein as therein defined.  The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular section hereof.
2.         Assumption of Obligations.  In accordance with Article V and Section 901 of the Indenture, the Company hereby expressly assumes and agrees to pay, perform and discharge when due each and every debt, obligation, covenant and agreement incurred, made or to be paid, performed or discharged by the Predecessor Issuer under the Indenture and the Notes.  The Company hereby agrees to be bound by all the terms, provisions and conditions of the Indenture and the Notes and agrees that it shall be the Successor Company (as defined in the Indenture) and shall succeed to, and be substituted for, and may exercise every right and power of, the Predecessor Issuer under the Indenture and the Notes and any references to “Company” in the Indenture, the Notes or other related documents or instruments shall describe the Successor Company.
3.         Agreement to Guarantee.  Each Subsidiary Guarantor hereby agrees, jointly and severally with all other Subsidiary Guarantors and fully and unconditionally, to guarantee the Subsidiary Guaranteed Obligations under the Indenture and the Notes on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by (and shall be entitled to the benefits of) all other applicable provisions of the Indenture as a Subsidiary Guarantor.  Holdings hereby agrees, fully and unconditionally, to guarantee the Parent Guaranteed Obligations under the Indenture and the Notes on the terms and subject to the conditions set forth in Article XIV of the Indenture and to be bound by (and shall be entitled to the benefits of) all other applicable provisions of the Indenture as a Guarantor.
4.         Termination, Release and Discharge.  Each Subsidiary Guarantor’s Subsidiary Guarantee shall terminate and be of no further force or effect, and each Subsidiary Guarantor shall be released and discharged from all obligations in respect of such Subsidiary 
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Guarantee, as and when provided in Section 1303 of the Indenture.  Holdings’ Parent Guarantee shall terminate and be of no further force or effect, and Holdings shall be released and discharged from all obligations in respect of such Parent Guarantee, as and when provided in Section 1403 of the Indenture.
5.         Parties.  Nothing in this Supplemental Indenture is intended or shall be construed to give any Person, other than the Holders and the Trustee, any legal or equitable right, remedy or claim under or in respect of each Guarantor’s Guarantee or any provision contained herein or in Article XIII of the Indenture or Article XIV of the Indenture, as applicable.
6.         Governing Law.  THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.  THE TRUSTEE, THE COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.
7.         Ratification of Indenture; Supplemental Indentures Part of Indenture.  Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect.  This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby.  Neither the Trustee nor the Note Collateral Agent makes any representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.
8.         Counterparts.  The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement.  The exchange of copies of this Supplemental Indenture and of signature pages by facsimile, PDF or other electronic transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile, PDF or other electronic methods shall be deemed to be their original signatures for all purposes.
9.         Headings.  The section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.

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

												
		CORNERSTONE BUILDING BRANDS, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		
				
			
				
				

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		HOLDINGS:
				
		CAMELOT RETURN INTERMEDIATE HOLDINGS, LLC
				
		By:	/s/ Tyler Young
			Name:	Tyler Young
			Title:	Vice President
			
		
				
			
				
				
			

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		SUBSIDIARY GUARANTORS:
				
		ALENCO BUILDING PRODUCTS 
			MANAGEMENT, L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALENCO EXTRUSION GA, L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALENCO EXTRUSION MANAGEMENT, 
			L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALENCO HOLDING CORPORATION
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		ALENCO INTERESTS, L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALENCO TRANS, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALENCO WINDOW GA, L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ALUMINUM SCRAP RECYCLE, L.L.C.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		AMERICAN SCREEN MANUFACTURERS, 
			INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ATRIUM CORPORATION
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ATRIUM EXTRUSION SYSTEMS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ATRIUM INTERMEDIATE HOLDINGS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		ATRIUM PARENT, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ATRIUM WINDOWS AND DOORS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		AWC ARIZONA, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		AWC HOLDING COMPANY
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		BRIDEN ACQUISITION, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		BROCKMEYER ACQUISITION, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		CAMELOT RETURN FINCO SUB, LLC
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		CANYON ACQUISITION, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		CASCADE WINDOWS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		CENTRIA
				
		By:	NCI Group, Inc., its general partner
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		By:	Robertson-Ceco II Corporation, its general 
			partner
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		CENTRIA SERVICES GROUP, LLC
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		CENTRIA, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		CHAMPION WINDOW, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ENVIRONMENTAL MATERIALS L.P. 
				
		By:	Environmental Materials, Inc., its general 
			partner
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ENVIRONMENTAL MATERIALS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		ENVIRONMENTAL MATERIALS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ENVIRONMENTAL STONEWORKS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		ENVIRONMENTAL STUCCO LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		FOUNDATION LABS BY PLY GEM, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		GLAZING INDUSTRIES MANAGEMENT, 
			L.L.C. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		GREAT LAKES WINDOW, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		KLEARY MASONRY, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		KROY BUILDING PRODUCTS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		KWPI HOLDINGS CORP. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		MASTIC HOME EXTERIORS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		MW MANUFACTURERS INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		MWM HOLDING, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		NAPCO, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		NCI GROUP, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		NEW ALENCO EXTRUSION, LTD. 
				
		By:	Alenco Extrusion Management, L.L.C., its 
			general partner
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		NEW ALENCO WINDOW, LTD. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		NEW GLAZING INDUSTRIES, LTD. 
				
		By:	Glazing Industries Management, L.L.C., its 
			general partner
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		PLY GEM HOLDINGS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		PLY GEM INDUSTRIES, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		PLY GEM PACIFIC WINDOWS 
			CORPORATION
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		PLY GEM SPECIALTY PRODUCTS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		PRIME WINDOW SYSTEMS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		REED’S METALS OF ALABAMA, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		REED’S METALS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		ROBERTSON-CECO II CORPORATION
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SCHUYLKILL STONE, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SILVER LINE BUILDING PRODUCTS LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SIMEX, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		SIMONTON BUILDING PRODUCTS LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SIMONTON INDUSTRIES, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SIMONTON WINDOWS & DOORS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		SIMONTON WINDOWS, INC. 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		ST. CROIX ACQUISITION, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		STEELBUILDING.COM, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		TALUS SYSTEMS, LLC 
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		THERMAL INDUSTRIES, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		UCC INTERMEDIATE HOLDINGS, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		UNION CORRUGATING COMPANY
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		UNION CORRUGATING COMPANY 
			HOLDINGS, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		VAN WELL ACQUISITION, LLC
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		VARIFORM, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer
				
		WINDOW PRODUCTS, INC.
				
		By:	/s/ Jeffrey S. Lee
			Name:	Jeffrey S. Lee
			Title:	Executive Vice President, Chief
			Financial Officer and Treasurer

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

												
		WILMINGTON TRUST, NATIONAL
		ASSOCIATION,
		as Trustee
				
		By:	/s/ Barry D. Somrock
			Name:	Barry D. Somrock
			Title:	Vice President
				
		
				
		WILMINGTON TRUST, NATIONAL
		ASSOCIATION,
		as Note Collateral Agent
				
			/s/ Barry D. Somrock
			Name:	Barry D. Somrock
			Title:	Vice President

[SIGNATURE PAGE TO CAMELOT SECOND SUPPLEMENTAL INDENTURE]

SCHEDULE 1

									
		Subsidiary Guarantors	Jurisdiction of Organization
	1.	Alenco Building Products Management, L.L.C.	Delaware
	2.	Alenco Extrusion GA, L.L.C.	Delaware
	3.	Alenco Extrusion Management, L.L.C.	Delaware
	4.	Alenco Holding Corporation	Delaware
	5.	Alenco Interests, L.L.C.	Delaware
	6.	Alenco Trans, Inc.	Delaware
	7.	Alenco Window GA, L.L.C.	Delaware
	8.	Aluminum Scrap Recycle, L.L.C.	Delaware
	9.	American Screen Manufacturers, Inc.	Delaware
	10.	Atrium Corporation	Delaware
	11.	Atrium Extrusion Systems, Inc.	Delaware
	12.	Atrium Intermediate Holdings, Inc.	Delaware
	13.	Atrium Parent, Inc.	Delaware
	14.	Atrium Windows and Doors, Inc.	Delaware
	15.	AWC Arizona, Inc.	Delaware
	16.	AWC Holding Company	Delaware
	17.	Briden Acquisition, LLC	Delaware
	18.	Brockmeyer Acquisition, LLC	Delaware
	19.	Camelot Return Finco Sub, LLC	Delaware
	20.	Canyon Acquisition, LLC	Delaware
	21.	Cascade Windows, Inc.	Delaware
	22.	CENTRIA	Pennsylvania
	23.	CENTRIA Services Group, LLC	Pennsylvania
	24.	CENTRIA, Inc.	Delaware
	25.	Champion Window, Inc.	Delaware
	26.	Environmental Materials L.P.	Delaware
	27.	Environmental Materials, Inc.	Delaware
	28.	Environmental Materials, LLC	Delaware
	29.	Environmental Stoneworks, LLC	Delaware
	30.	Environmental Stucco LLC	Delaware
	31.	Foundation Labs by Ply Gem, LLC	Delaware
	32.	Glazing Industries Management, L.L.C.	Delaware
	33.	Great Lakes Window, Inc.	Ohio
	34.	Kleary Masonry, Inc.	California
	35.	Kroy Building Products, Inc.	Delaware
	36.	KWPI Holdings Corp.	Delaware

									
	37.	Mastic Home Exteriors, Inc.	Ohio
	38.	MW Manufacturers Inc.	Delaware
	39.	MWM Holding, Inc.	Delaware
	40.	Napco, Inc.	Delaware
	41.	NCI Group, Inc.	Nevada
	42.	New Alenco Extrusion, Ltd.	Texas
	43.	New Alenco Window, Ltd.	Texas
	44.	New Glazing Industries, Ltd.	Texas
	45.	Ply Gem Holdings, Inc.	Delaware
	46.	Ply Gem Industries, Inc.	Delaware
	47.	Ply Gem Pacific Windows Corporation	Delaware
	48.	Ply Gem Specialty Products, LLC	Delaware
	49.	Prime Window Systems, LLC	Delaware
	50.	Reed’s Metals of Alabama, LLC	Delaware
	51.	Reed’s Metals, LLC	Delaware
	52.	Robertson-Ceco II Corporation	Delaware
	53.	Schuylkill Stone, LLC	Delaware
	54.	Silver Line Building Products LLC	Delaware
	55.	SimEx, Inc.	West Virginia
	56.	Simonton Building Products LLC	Delaware
	57.	Simonton Industries, Inc.	California
	58.	Simonton Windows & Doors, Inc.	Delaware
	59.	Simonton Windows, Inc.	West Virginia
	60.	St. Croix Acquisition, LLC	Delaware
	61.	Steelbuilding.com, LLC	Delaware
	62.	Talus Systems, LLC	Delaware
	63.	Thermal Industries, Inc.	Delaware
	64.	UCC Intermediate Holdings, Inc.	Delaware
	65.	Union Corrugating Company	North Carolina
	66.	Union Corrugating Company Holdings, Inc.	Delaware
	67.	Van Well Acquisition, LLC	Delaware
	68.	Variform, Inc.	Missouri
	69.	Window Products, Inc.	Washington

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