EXHIBIT 4.12

SECOND SUPPLEMENTAL INDENTURE

SECOND SUPPLEMENTAL INDENTURE dated as of October 1, 2001
(the Second Supplemental Indenture) by and between (1) Abitibi-Consolidated Inc. (Abitibi-Consolidated), a corporation organized under the laws of Canada, (2) Abitibi-Consolidated Finance L.P.
(Finance L.P.), a limited partnership formed under the laws of the State of Delaware, (3) Abitibi-Consolidated and 3834328 Canada Inc., a corporation organized under the laws of Canada (3834328), in their
capacity as partners of Abitibi-Consolidated General Partnership, a general partnership formed under the laws of Quebec (ACGP), (4) Donohue Forest Products Inc., a company organized under the laws of Quebec
(DFP) and (5) The Bank of Nova Scotia Trust Company of New York, as trustee (Trustee), to the Indenture dated as of July 26, 1999 (the Indenture), between Abitibi-Consolidated,
Finance L.P. and the Trustee, as supplemented by that certain First Supplemental Indenture dated as of September 1, 2001 (the First Supplemental Indenture) between (1) Abitibi-Consolidated, (2) Finance L.P.,
(3) Abitibi-Consolidated and 3834328, in their capacity as partners of ACGP, and (4) the Trustee. Unless otherwise defined herein, all capitalized terms used in this Second Supplemental Indenture have the respective meanings set forth in
the Indenture, as supplemented by the First Supplemental Indenture.

WHEREAS Abitibi-Consolidated has issued, the Trustee has
authenticated and there have been delivered pursuant to the Indenture US$1,650,000,000 aggregate principal amount of unsecured notes due 2005, 2010, 2029 and 2030, respectively (the Securities);

WHEREAS pursuant to Section 9.1, the Indenture may be supplemented without the consent of any Holder, among other things: (i) to
evidence the succession of another Person to an Obligor and its assumption of the covenants of such Obligor in the Indenture; (ii) to add to the covenants of an Obligor, for the benefit of the Holders of all Securities; and (iii) to
surrender any right or power conferred upon an Obligor or make any other provisions with respect to matters or questions arising under the Indenture provided that such action not adversely affect the interests of the Holders of Securities of any
particular series in any material respect;

WHEREAS all acts and proceedings required by law and the Indenture to authorize, approve
and constitute this Second Supplemental Indenture as a valid and binding agreement for the uses and purposes set forth herein, in accordance with its terms, have been done and taken, and the execution and delivery of this Second Supplemental
Indenture have in all respects been duly authorized by each of Abitibi-Consolidated, ACGP and DFP;

WHEREAS all of the shares in the
capital of DFP are owned, directly or indirectly, by Abitibi-Consolidated; and

WHEREAS the foregoing recitals are made as
representations or statements of fact by each of Abitibi-Consolidated, Finance L.P., ACGP and DFP and not by the Trustee.

NOW,
THEREFORE in consideration of the foregoing and for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, Abitibi-Consolidated, Finance L.P., ACGP, DFP and the Trustee hereby agree as follows:



|1. | DFP hereby assumes jointly and severally and as co-obligor the due and punctual payment of the principal of (and premium, if any) and interest, if any (including
all additional amounts, if any, payable pursuant to Sections 5.16 or 10.9) on, and any sinking fund payment in respect of, all the Securities and the performance of every covenant of the Indenture on the part of Abitibi-Consolidated to be performed
or observed or, if applicable, Abitibi-Consolidateds obligations under any Guarantee and the Indenture, as the case may be. As contemplated in Section 8.2 (as supplemented by the First
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| | Supplemental Indenture), Abitibi-Consolidated is not hereby relieved of any obligations or covenants under the Indenture, as supplemented, the Securities and
any Guarantees, as the case may be, and Abitibi-Consolidateds obligations or covenants under the Indenture, as supplemented, the Securities and any Guarantees continue in full force and effect without novation, Abitibi-Consolidated remaining
as a joint and several debtor and co-obligor thereunder with DFP.
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|2. | For purposes of Section 1.5(a)(2) of the Indenture, the address of DFP shall be its registered office, as designated from time to time. DFP may give notice in writing of any
change of the address of its registered office as provided for in such Section 1.5(a)(2).
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|3. | This Second Supplemental Indenture may be executed in any number of counterparts, each of which when so executed shall be deemed to be an original, and all of such counterparts
shall together constitute one and the same instrument.
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|4. | Except as expressly amended hereby, the Indenture, as supplemented by the First Supplemental Indenture, is in all respects ratified and confirmed and all the terms, conditions and
provisions thereof shall remain in full force and effect.
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|5. | In case any provision in this Second Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall
not in any way be affected or impaired thereby.
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|6. | If any provision hereof limits, qualifies or conflicts with a provision of the Trust Indenture Act that is required under such Act to be a part of and govern this Second
Supplemental Indenture, such required provision shall control. If any provision hereof modifies or excludes any provision of the Trust Indenture Act that may be so modified or excluded, the latter provision shall be deemed to apply to this Second
Supplemental Indenture as so modified or shall be excluded, as the case may be.
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|7. | This Second Supplemental Indenture shall be governed by and construed in accordance with the Laws of the State of New York without regard to principles of conflicts of laws rules
thereof.
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|8. | All provisions of this Second Supplemental Indenture shall be deemed to be incorporated in, and made a part of, the Indenture, as supplemented by the First Supplemental Indenture,
and the Indenture, as amended and supplemented by the First Supplemental Indenture and this Second Supplemental Indenture, shall be read, taken and construed as one and the same instrument.
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IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly executed, and their respective seals,
if any, to be hereunto affixed and attested, all as of the day and year first above written.



|                                         |  |                                          |  |                                                                                                        |  |        |  |                       
|---------------------------------------- |  | ---------------------------------------- |  | ------------------------------------------------------------------------------------------------------ |  | ------ |  | ----------------------
|ABITIBI-CONSOLIDATED INC.                |  |                                          |  | ABITIBI-CONSOLIDATED FINANCE L.P. By its General Partner ABITIBI-CONSOLIDATED NOVA SCOTIA INCORPORATED
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  | LOGO                  
|Name:                                    |  | Pierre Rougeau                           |  |                                                                                                        |  | Name:  |  | Jacques P. Vachon     
|Title:                                   |  | Senior VP, Corporate Development and CFO |  |                                                                                                        |  | Title: |  | Director and Secretary
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  | LOGO                  
|Name:                                    |  | Allen Dea                                |  |                                                                                                        |  | Name:  |  | Allen Dea             
|Title:                                   |  | Vice President and Treasurer             |  |                                                                                                        |  | Title: |  | Assistant Treasurer   
|                                         |  |                                         
|ABITIBI-CONSOLIDATED GENERAL PARTNERSHIP |  |                                          |  | DONOHUE FOREST PRODUCTS INC.                                                                          
|By its Partners:                         |  |                                          |  |                                                                                                        |  |       
|                                         |  |                                          | 
|ABITIBI-CONSOLIDATED INC.                |  |                                          |  |                                                                                                        |  |       
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  | LOGO                  
|Name:                                    |  | Pierre Rougeau                           |  |                                                                                                        |  | Name:  |  | Pierre Rougeau        
|Title:                                   |  | Senior VP, Corporate Development and CFO |  |                                                                                                        |  | Title: |  | Director and Treasurer
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  | LOGO                  
|Name:                                    |  | Allen Dea                                |  |                                                                                                        |  | Name:  |  | Allen Dea             
|Title:                                   |  | Vice President and Treasurer             |  |                                                                                                        |  | Title: |  | Assistant Treasurer   
|                                         |  |                                          | 
|AND                                      |  |                                          |  |                                                                                                        |  |       
|3834328 CANADA INC.                      |  |                                          |  | THE BANK OF NOVA SOCTIA TRUST COMPANY OF NEW YORK                                                     
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  | LOGO                  
|Name:                                    |  | Pierre Rougeau                           |  |                                                                                                        |  | Name:  |  | W. A. GOSHINE         
|Title:                                   |  | Director                                 |  |                                                                                                        |  | Title: |  | SECRETARY             
|                                         |  |                                          |  |                                                                                                       
|Per:                                     |  | LOGO                                     |  |                                                                                                        |  | Per:   |  |                       
|Name:                                    |  | Allen Dea                                |  |                                                                                                        |  | Name:  |  |                       
|Title:                                   |  | Assistant Treasurer                      |  |                                                                                                        |  | Title: |  |                       



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