DOMTARCORPORATION, THE SUBSIDIARY GUARANTORS PARTY HERETO and THE BANK OF NEW YORKMELLON, as Trustee TENTHSUPPLEMENTAL INDENTURE Dated as of November 26, 2013 6.75% Senior Notes due 2044 TABLE OF CONTENTS

Exhibit 4.1

EXECUTION VERSION

DOMTAR CORPORATION,

THE SUBSIDIARY GUARANTORS PARTY HERETO

and

THE BANK OF NEW YORK MELLON,

as Trustee

TENTH SUPPLEMENTAL INDENTURE

Dated as of November 26, 2013

6.75% Senior Notes due 2044

TABLE OF CONTENTS

THIS TENTH SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) dated as of November 26, 2013 is among DOMTAR CORPORATION, a Delaware corporation (together with its successors and assigns, the “Company”), the subsidiary guarantors listed on the signature pages hereto (each a “Subsidiary Guarantor,” and together, the “Subsidiary Guarantors”) under the Indenture referred to below and THE BANK OF NEW YORK MELLON (successor to The Bank of New York), a New York banking corporation, as Trustee (the “Trustee”) under the Indenture referred to below.

R E C I T A L S

WHEREAS, the Company has heretofore executed and delivered to the Trustee a Senior Indenture, dated as of November 19, 2007, among the Company, Domtar Paper Company, LLC and the Trustee (the “Original Indenture”), as supplemented by the Supplemental Indenture, dated as of February 15, 2008, among the Company, the subsidiary guarantors party thereto and the Trustee (the “First Supplemental Indenture”), the Second Supplemental Indenture, dated as of February 20, 2008, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Second Supplemental Indenture”), the Third Supplemental Indenture, dated as of June 9, 2009, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Third Supplemental Indenture”), the Fourth Supplemental Indenture, dated as of June 23, 2011, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Fourth Supplemental Indenture”), the Fifth Supplemental Indenture, dated as of September 7, 2011, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Fifth Supplemental Indenture”), the Sixth Supplemental Indenture, dated as of March 16, 2012, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Sixth Supplemental Indenture”), the Seventh Supplemental Indenture, dated as of May 21, 2012, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Seventh Supplemental Indenture”), the Eighth Supplemental Indenture, dated as of August 23, 2012, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Eighth Supplemental Indenture”) and the Ninth Supplemental Indenture, dated as of July 31, 2013, among the Company, the subsidiary guarantors party thereto and the Trustee (the “Ninth Supplemental Indenture” and, together with this Supplemental Indenture, the Original Indenture, the First Supplemental Indenture, the Second Supplemental Indenture, the Third Supplemental Indenture, the Fourth Supplemental Indenture, the Fifth Supplemental Indenture, the Sixth Supplemental Indenture, the Seventh Supplemental Indenture and the Eighth Supplemental Indenture, the “Indenture”), providing for the issuance from time to time of series of the Company’s Securities (as defined in the Original Indenture);

WHEREAS, Section 901(5) of the Original Indenture provides for the Company, the Subsidiary Guarantors and the Trustee to enter into an indenture supplemental to the Original Indenture to establish the form or terms of Securities of any series as permitted by Sections 201 or 301 of the Original Indenture;

WHEREAS, pursuant to Section 301 of the Original Indenture, the Company wishes to provide for the issuance of a new series of Securities to be known as its 6.75% Senior Notes due 2044, the form and terms of such Securities and the terms, provisions and conditions thereof to be set forth as provided in this Supplemental Indenture (the “Notes”);

WHEREAS, the Company deems it necessary and advisable to enter into this Tenth Supplemental Indenture for the purpose of supplementing certain provisions of the Original Indenture with respect to Securities issued on or after the date hereof;

WHEREAS, the Company has requested that the Trustee execute and deliver this Supplemental Indenture and all requirements necessary to make this Supplemental Indenture a valid, binding and enforceable instrument in accordance with its terms, and to make the Notes, when executed by the Company and authenticated and delivered by the Trustee, the valid, binding and enforceable obligations of the Company.

NOW, THEREFORE, in consideration of the covenants and agreements set forth herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company, the Subsidiary Guarantors and the Trustee hereby agree as follows:

ARTICLE 1

DEFINITIONS

Section 1.01. Relation to Original Indenture. This Supplemental Indenture constitutes an integral part of the Original Indenture.

Section 1.02. Definition of Terms. For all purposes of this Supplemental Indenture:

(a) capitalized terms used herein without definition shall have the meanings specified in the Original Indenture;

(b) a term defined anywhere in this Supplemental Indenture has the same meaning throughout;

(c) the singular includes the plural and vice versa;

(d) headings are for convenience of reference only and do not affect interpretation;

(e) the following terms have the meanings given to them in this Section 1.02(e):

Each of the following terms is defined in the section set forth opposite such term:

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ARTICLE 2

THE NOTES

Section 2.01. Designation. The Company hereby establishes a series of Securities for issuance under the Indenture designated the “6.75% Senior Notes due 2044.”

Section 2.02. Principal Amount. (a) The Notes shall be initially limited to an aggregate principal amount of $250,000,000.

(b) For all purposes of the Indenture, all Notes shall constitute one series of Securities and shall Act together as one series of Securities.

Section 2.03. Payment of Interest; Record Date. The Regular Record Date for the interest payable on any Interest Payment Date of the Securities shall be the fifteenth day of the month preceding the Interest Payment Date.

Section 2.04. Form of Notes; Global Form. (a) The Notes shall be substantially in the form of Exhibit A hereto. The terms and provisions contained in the form of Note set forth in Exhibit A shall constitute, and are hereby expressly made, a part of the Indenture.

Any of the Notes may have such letters, numbers or other marks of identification and such notations, legends, endorsements or changes as the officers executing the same may approve (execution thereof to be conclusive evidence of such approval) and as are not inconsistent with the provisions of the Indenture, or as may be required by the Depositary or with any rule or regulation of any securities exchange or automated quotation system on which the Notes may be listed, or to conform to usage, or to indicate any special limitations or restrictions to which any particular Notes are subject.

(b) So long as the Notes are eligible for book-entry settlement with the Depositary, or unless otherwise required by law, or otherwise contemplated by Section 305 of the Original Indenture, all of the Notes shall be represented by one or more Notes in global form registered in the name of the Depositary or the nominee of the Depositary (collectively, the “Global Notes”) and shall be deposited with the Depositary or the Trustee as custodian therefor. The transfer and exchange of beneficial interests in any such Global Note shall be effected through the Depositary in accordance with the Indenture and the applicable procedures of the Depositary. Except as provided in Section 305 of the Original Indenture, beneficial owners of a Global Note shall not be entitled to have certificates registered in their names, will not receive or be entitled to receive physical delivery of certificates in definitive form and will not be considered Holders of such Global Note.

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Any Global Note shall represent such of the Outstanding Notes as shall be specified therein and shall represent the aggregate amount of Outstanding Notes from time to time endorsed thereon. Any endorsement of a Global Note to reflect the amount of any increase or decrease in the amount of Outstanding Notes represented thereby shall be made by the Trustee in such manner and upon instructions given by or through the Depositary in accordance with the Indenture. Payment of principal of and interest and premium, if any, on any Global Note shall be made to the Holder of such Note in accordance with the procedures of the Depositary.

Section 2.05. Restrictive Legends. Each Global Note shall bear the following legend on the face thereof:

UNLESS THIS SECURITY IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS 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 INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF DTC OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN DTC OR SUCH NOMINEE, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.

Section 2.06. Registration, Registration of Transfer and Exchange. The Notes shall be subject to the provisions governing registration, registration of transfer and exchange in accordance with the terms and conditions set forth in Section 305 of the Original Indenture.

Section 2.07. Redemption by the Company. The Notes may be redeemed at the option of the Company and the Company may be required to redeem the Notes on the terms and conditions set forth in the form of Note attached as Exhibit A hereto.

Section 2.08. Defeasance. The Notes shall be subject to defeasance at the option of the Company in accordance with the terms and conditions set forth in Section 1301 of the Original Indenture.

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Section 2.09. Amendments Without Consent of Holders. In addition to the matters specified in Section 901 as being proper subjects for indentures supplemental to the Indenture that may be entered into without the consent of Holders of the Notes, the Company, the Subsidiary Guarantors and the Trustee may enter into indentures supplemental to the Indenture, in form satisfactory to the Trustee, for the purpose of conforming the text of the Indenture, the Notes or the Subsidiary Guarantees to any provision of the “Description of the notes” in the Company’s Prospectus Supplement dated November 20, 2013 or the “Description of debt securities” in the Company’s Prospectus dated October 1, 2013 to the extent that such provision in either such section was intended to be a verbatim recitation of a provision of the Indenture, the Notes or the Subsidiary Guarantees.

ARTICLE 3

MISCELLANEOUS

Section 3.01. Ratification of Indenture. The Original Indenture, as amended and supplemented prior to the date hereof and as further amended and supplemented by this Supplemental Indenture, is in all respects ratified and confirmed, and this Supplemental Indenture shall be deemed part of the Original Indenture in the manner and to the extent herein and therein provided.

Section 3.02. Trustee Not Responsible for Recitals. The recitals herein contained are made by the Company and not by the Trustee, and the Trustee assumes no responsibility for the correctness thereof. The Trustee makes no representation as to the validity or sufficiency of this Supplemental Indenture.

Section 3.03. Governing Law. THIS SUPPLEMENTAL INDENTURE AND EACH NOTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

Section 3.04. Separability. In case any one or more of the provisions contained in this Supplemental Indenture or in the Notes shall for any reason be held to be invalid, illegal or unenforceable in any respect, then, to the extent permitted by law, such invalidity, illegality or unenforceability shall not affect any other provisions of this Supplemental Indenture or of the Notes, but this Supplemental Indenture and the Notes shall be construed as if such invalid, illegal or unenforceable provision had never been contained herein or therein.

Section 3.05. Counterparts. This Supplemental Indenture may be executed in any number of counterparts each of which shall be an original, but such counterparts shall together constitute but one and the same instrument.

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

Signature Page to Tenth Supplemental Indenture

Signature Page to Tenth Supplemental Indenture

Signature Page to Tenth Supplemental Indenture

Signature Page to Tenth Supplemental Indenture

EXHIBIT A

[SPECIMEN BOND]

(FORM OF FACE OF SECURITY)

[Insert Legends As Applicable, Including Legend Required by Section 202 of the Indenture]

DOMTAR CORPORATION

6.75% Notes due 2044

[Date of Issuance]

CUSIP: 257559AK0

ISIN: US257559AK07

DOMTAR CORPORATION, a Delaware corporation (hereinafter called the “Company”, which term includes any successor corporation under the Indenture hereinafter referred to), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of $                             (                                         United States Dollars) on February 15, 2044, and to pay interest thereon from November 26, 2013 or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semi-annually in arrears on February 15 and August 15 of each year, commencing February 15, 2014, at the rate of 6.75% per annum, on the basis of a 360-day year consisting of twelve 30-day months, until the principal hereof is paid or duly provided for 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 the 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 February 1, in the case of the February 15 Interest Payment Date, and August 1, in the case of the August 15 Interest Payment Date (whether or not a Business Day). 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

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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 premium, if any) and any interest on this Security will be made at the office or agency of the Company maintained for that purpose in The City of New York, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts.

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 by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose.

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IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed as of the date first set forth above.

Certificate of Authentication

This is one of the Securities referred to in the within-mentioned Indenture.

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(FORM OF REVERSE OF SECURITY)

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 November 19, 2007, as supplemented and amended from time to time (herein called the “Indenture”), among the Company, the Subsidiary Guarantors and The Bank of New York Mellon (as successor to The Bank of New York), 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, any Subsidiary Guarantor and 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, limited in aggregate principal amount to U.S.$ 250,000,000; provided, however, that the Company may create and issue further securities ranking pari passu with the Securities in all respects or in all respects except for the payment of interest accruing prior to the issue date of such further securities and except for the first payment of interest following the issue date of such further securities. The Company may consolidate such further securities with the Securities to form a single series, having the same terms as to status, redemption or otherwise as the Securities.

All terms used in this Security that are defined in the Indenture shall have the meaning assigned to them in the Indenture.

In the event that the Company does not consummate the acquisition of the outstanding capital stock of Task Moraza, S.L., the parent of Laboratorios Indas, SAU, on or prior to July 31, 2014, or the related Quota Sale and Purchase Agreement (the “Purchase Agreement”), dated November 19, 2013, by and among the Company and the Vendors named therein is terminated at any time prior thereto (July 31, 2014 or such earlier date of termination, the “Trigger Date”), then the Company will redeem in whole and not in part the aggregate principal amount of the Securities of this series (a “Special Mandatory Redemption”) on the Special Mandatory Redemption Date (as defined below) at a redemption price equal to 101% of the aggregate principal amount of the Securities, plus accrued and unpaid interest from November 26, 2013, if any, or from the most recent Interest Payment Date to which interest has been paid is duly provided for to, but excluding, the Special Mandatory Redemption Date (the “Special Mandatory Redemption Price”) (subject to the right of Holders on any Regular Record Date for payment of interest that occurs prior to the date on which notice of special mandatory redemption is given to receive interest due on the relevant Interest Payment Date).

The Company will cause a notice of special mandatory redemption to be delivered to the Trustee at its Corporate Trust Office and the Holders at their registered addresses, or, if any Securities are held in individual certificated form, mailed to the Holders of such Securities at their registered addresses no later than the second Business Day following the Trigger Date, which shall provide for the redemption of the Notes on the fifth Business Day (the “Special

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Mandatory Redemption Date”) following the date of such notice. If funds sufficient to pay the Special Mandatory Redemption Price of all the Securities to be redeemed on the Special Mandatory Redemption Date are deposited with the Trustee or the Paying Agent on or before such Special Mandatory Redemption Date, and any other conditions set forth in Section 1003 of the Indenture are satisfied, on and after such Special Mandatory Redemption Date, the Securities will cease to bear interest and all rights under the Securities shall terminate.

The Company shall not be required to make any other mandatory redemption or any sinking fund payments with respect to the Securities.

The Securities of this series are redeemable at the option of the Company only in accordance with the following provision:

(A) The Securities of this series are subject to redemption upon not less than 30 nor more than 60 days’ notice by mail, at any time, in whole or in part, at the election of the Company at a redemption price equal to: the greater of (a) 100% of the principal amount of the Securities and (b) as determined by the Independent Investment Banker (as defined below), the sum of the present values of the remaining scheduled payments of principal and interest on the Securities (not including any portion of the payment of interest accrued as of the date of redemption) discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at a discount rate equal to the Adjusted Treasury Rate, plus 45 basis points; provided, that if the Company redeems any Securities on or after August 15, 2043 (six months prior to the Stated Maturity of the Securities), the redemption price for those Securities will equal 100% of the principal amount of the Securities to be redeemed.

“Adjusted Treasury Rate” means, with respect to any redemption date, the rate per annum equal to the semi-annual equivalent yield to maturity of the Comparable Treasury Issue, assuming 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.

“Comparable Treasury Issue” means the United States Treasury security selected by an Independent Investment Banker as having an actual or interpolated maturity comparable to the remaining term of the Securities that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt of comparable maturity to the remaining term of such Securities.

“Comparable Treasury Price” means, with respect to any redemption date, the average of the Reference Treasury Dealer Quotations for the redemption date.

“Independent Investment Banker” means one of the Reference Treasury Dealers selected by the Company.

“Reference Treasury Dealer” means (1) each of J.P. Morgan Securities LLC, Deutsche Bank Securities Inc. and Morgan Stanley & Co. LLC (or their respective affiliates that are Primary Treasury Dealers) and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities dealer in New York City (a “Primary Treasury Dealer”), the Company shall substitute for it another Primary Treasury Dealer, and (2) any other Primary Treasury Dealer selected by the Trustee after consultation with the Company.

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“Reference Treasury Dealer Quotation” means, with respect to each Reference Treasury Dealer and any redemption date, the average, as determined by the Independent Investment Banker, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted by the Reference Treasury Dealer at 5:00 p.m. on the third Business Day preceding that redemption date.

In the event of redemption of this Security in part only, a new Security or Securities of this series for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the cancellation hereof.

Installments of accrued and unpaid interest whose Stated Maturity is on or prior to the redemption date will be payable to the Holders of the Securities of this series, or one or more Predecessor Securities, registered as such at the close of business on the relevant Regular Record Dates according to their terms and the provision of the Indenture.

If a Change of Control occurs, unless the Company has exercised its right to redeem all of the Securities, then the Company shall offer to repurchase from each Holder all or any part (equal to U.S.$1,000 or an integral multiple thereof) of such Holder’s Securities at a purchase price in cash equal to 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to but excluding the date of repurchase (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date) as provided in, and subject to the terms of, the Indenture.

The Indenture contains provisions for satisfaction, discharge and defeasance of (a) the entire indebtedness on this Security and (b) certain restrictive covenants and the related Events of Default, upon compliance by the Company with certain conditions set forth therein.

The Events of Default relating to the Securities of this series are set forth in the Indenture. If an Event of Default with respect to Securities of this series shall occur and be continuing, an amount of principal, premium, if any, accrued but unpaid interest and any other monetary obligations of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture.

If any Event of Default occurs and is continuing, the Trustee or the Holders of at least 25% in principal amount of the then Outstanding Securities of this series by written notice to the Company (and to the Trustee if given by Holders) may declare the principal of, premium, if any, accrued but unpaid interest and any other monetary obligations on all the then Outstanding Securities of this series to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy or insolvency, all Outstanding Securities of this series will automatically become due and payable immediately without further action or notice on part of the Trustee or any Holder.

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Upon payment of the amount of principal so declared due and payable, of premium, if any, and of overdue interest (to the extent that the payment of such interest shall be legally enforceable), all of the Company’s obligations in respect of the payment of the principal of, premium, if any, and interest, if any, on the Securities of this series shall terminate.

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations of the Company, any Subsidiary Guarantor and the rights of the Holders of the Securities of each series to be affected under the Indenture at any time by the Company, any Subsidiary Guarantor and the Trustee with the consent of the Holders of a majority in principal amount of the Securities at the time Outstanding of each series to be affected. In addition, without the consent of any Holders, the Company, when authorized by a board resolution, the Subsidiary Guarantors and the Trustee, at any time and from time to time, may enter into one or more indentures supplemental to the Indenture, in form satisfactory to the Trustee, to effect certain amendments to the Indenture, the Securities or the Subsidiary Guarantees. Holders of not less than a majority in aggregate principal amount of the Outstanding Securities of this series (including, without limitation, consents obtained in connection with a purchase of, or tender offer or exchange offer for, such series of Securities) may, on behalf of the Holders of all the Securities of this series, waive compliance with any term, provision, covenant or condition of the Indenture, any Subsidiary Guarantee or the Securities of this series. Holders of not less than a majority in aggregate principal amount of the Outstanding Securities of this series (including, without limitation, by consent obtained in connection with a purchase of, or tender offer or exchange offer for, such series of Securities) may, on behalf of the Holders of all the Securities of this series, waive past defaults under certain covenants of the Indenture which relate to this series. However, a default in the payment of the principal of, premium, if any, or interest on, any of the Securities of this series or relating to a provision which under the Indenture cannot be modified or amended without the consent of the Holders of each Outstanding Security of this series affected cannot be so waived. 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.

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 and rate, and in the coin or currency, herein prescribed.

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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 premium, if any) and interest on this Security are payable, 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, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees.

The Securities of this series are issuable only in registered form without coupons in denominations of U.S.$2,000 and any integral of U.S.$1,000. 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 of any 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 or the Trustee may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith.

Subject to certain limitations set forth in the Indenture, the Trustee under the Indenture, in its individual or any other capacity, may become the owner or pledgee of Securities and may otherwise deal with the Company with the same rights it would have if it were not Trustee.

This Security shall not be valid until an authorized signatory of the Trustee (or an authenticating agent acting on its behalf) manually signs the certificate of authentication on the other side of this Security.

The Company, any Subsidiary Guarantor, the Trustee and any agent of the Company, any Subsidiary Guarantor or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes.

The Company has caused CUSIP or ISIN numbers, if applicable, to be printed on the Securities and has directed the Trustee to use CUSIP or ISIN numbers, if applicable, in notices of optional or special mandatory redemption as a convenience to Holders. No representation is made as to the correctness of such numbers either as printed on the Securities or as contained in any notice and reliance may be placed only on the other identification numbers placed thereon and any such notice shall not be affected by any defect in or omission of such numbers.

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No recourse under or upon any obligation, covenant or agreement contained in this Security, or because of any indebtedness evidenced thereby, shall be had against any incorporator, as such or against any past, present or future shareholder, officer or director, as such, of the Company, any Subsidiary Guarantor or of any successor, either directly or through the Company or any successor, under any rule of law, statute or constitutional provision or by the enforcement or any assessment or by any legal or equitable proceeding or otherwise, all such liability being expressly waived and released by the acceptance of the Securities of this series by the Holders as part of the consideration for the issue of the Securities of this series.

THIS SECURITY SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE COMPANY AND EACH SUBSIDIARY GUARANTOR AGREES TO SUBMIT TO THE NONEXCLUSIVE JURISDICTION OF ANY FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN IN THE CITY OF NEW YORK IN ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR BASED UPON THE SECURITIES OF THIS SERIES.

The Company will furnish to any Holder upon written request and without charge a copy of the Indenture. Requests may be made to the Company at the following address:

Domtar Corporation

395 de Maisonneuve Blvd. West

Montreal, Quebec H3A 1L6

Fax No.: (514)  ###-###-####

Attention: Corporate Secretary

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ASSIGNMENT FORM

To assign this Security, fill in the form below:

Date:                         

Signature Guarantee*:                                                          

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OPTION OF HOLDER TO ELECT PURCHASE

If you want to elect to have this Security purchased by the Company pursuant to Section 1201 of the Indenture, check the following box: [    ]

If you want to elect to have only part of this Security purchased by the Company pursuant to Section 1201 of the Indenture, state the amount you elect to have purchased:

U.S.$                    

Date:                     

Your Signature:                                              

(Sign exactly as your name appears on the face of this Security)

Tax Identification No.:                                                  

Signature Guarantee*:                                                                  

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[TO BE ATTACHED TO GLOBAL SECURITIES]

SCHEDULE OF INCREASES AND DECREASES IN GLOBAL SECURITY

The following increases and decreases in this Global Security have been made:

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