**Exhibit 4.23.1**

EXECUTION VERSION 

FIRST SUPPLEMENTAL INDENTURE 

dated as of September 2, 2011 

to the 

INDENTURE 

dated as of December 3, 2009 

among 

CASCADES INC., 

as the Company, 

THE SUBSIDIARY GUARANTORS named therein, and 

COMPUTERSHARE TRUST COMPANY 

OF CANADA, 

as Trustee, 

asamended 

FIRST SUPPLEMENTAL INDENTURE (this “*First Supplemental Indenture*”), datedas of September 2, 2011, among CASCADES INC. (the “*Company*”) and 7678169 Canada Inc., Cascades GIE Inc. and Cascades Energy Action Inc. (collectively, the “*New Subsidiary Guarantors*”) and COMPUTERSHARE TRUSTCOMPANY OF CANADA, as trustee under the Indenture referred to below (the “*Trustee*”). 

W I T N E S S E T H :

WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture, dated as ofDecember 3, 2009 (the “*Indenture*”), providing for the issuance of the Company’s7 3/4% Senior Notes due 2016 (the“*Notes*”); 

WHEREAS, the Company has issued and outstanding C$200,000,000 of Notes under the Indenture;

WHEREAS, Section 4.17 of the Indenture provides that the Company shall cause each person that becomes its Canadian orU.S. Restricted Subsidiary to execute and deliver to the Trustee a Subsidiary Guarantee as soon as practicable after such time such person becomes a Canadian or U.S. Restricted Subsidiary; 

WHEREAS, each of the New Subsidiary Guarantors is a Canadian or U.S. Restricted Subsidiary of the Company; 

WHEREAS, Section 9.01 of the Indenture provides that the Company and the Trustee may amend or supplement the Indenture without theconsent of any Holder of a Note to add additional Subsidiary Guarantees with respect to the Notes as provided or permitted under the Indenture; and 

WHEREAS, pursuant to Sections 4.17, 9.01 and 9.06 of the Indenture, the Trustee, the Company and the New Subsidiary Guarantors are authorized to execute and deliver this First Supplemental Indenture;

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which ishereby acknowledged, the Company, the New Subsidiary Guarantors, and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 

1. Definitions. (a) Capitalized terms used herein without definition shall have the meanings assigned to them in theIndenture. 

(b) For all purposes of this First Supplemental Indenture, except as otherwise herein expressly provided or unlessthe context otherwise requires: (i) the terms and expressions used herein shall have the same meanings as corresponding terms and expressions used in the Indenture; and (ii) the words “herein,” “hereof” and“hereby” and other words of similar import used in this First Supplemental Indenture refer to this First Supplemental Indenture as a whole and not to any particular section hereof. 

 
2 

2. Agreement to Guarantee. The New Subsidiary Guarantors hereby agree, jointly andseverally with the existing Subsidiary Guarantors, to guarantee the Company’s obligations under the Notes on the terms and subject to the conditions set forth in Article 10 of the Indenture and to be bound by all other applicable provisions ofthe Indenture. From and after the date hereof, the New Subsidiary Guarantors shall be Subsidiary Guarantors for all purposes under the Indenture and the Notes. 

3. Ratification of Indenture; First Supplemental Indenture 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 First Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall bebound hereby. 

4. Miscellaneous. 

4.1 Governing Law. THIS FIRST SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE PROVINCE OF QUEBEC AND THE FEDERAL LAWS OF CANADA APPLICABLE THEREIN ANDWILL BE TREATED IN ALL RESPECTS AS QUEBEC CONTRACTS. 

4.2 Trustee Makes No Representation. The Trustee makes norepresentation as to the validity or sufficiency of this First Supplemental Indenture, or for or in respect of the recitals contained herein. 

4.3 Counterparts. The parties may sign any number of copies of this First Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement.

4.4 Effect of Headings. The Article and Section headings herein are for convenience only and shall not affect theconstruction thereof. 

4.5 Conflict with TIA. If any provision of this First Supplemental Indenture limits, qualifiesor conflicts with any provision of the TIA, that is required under the TIA to be part of and govern any provision of this First Supplemental Indenture, the provision of the TIA shall control. If any provision of this First Supplemental Indenturemodifies or excludes any provision of the TIA that may be so modified or excluded, the provisions of the TIA shall be deemed to apply to the Indenture as so modified or to be excluded by this First Supplemental Indenture, as the case may be.

4.6 Severability. In case any provision of this First Supplemental Indenture shall be invalid, illegal orunenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

4.7 No Third Party Beneficiaries. Nothing in this First Supplemental Indenture, the Indenture, or the Notes, express or implied, shall give to any Person, other than the parties hereto and theretoand their successors hereunder and thereunder, and the Holders of the Notes, any benefit of any legal or equitable right, remedy or claim under the Indenture, this First Supplemental Indenture or the Notes. 

 
3 

As of the date hereof, Annex A to this First Supplemental Indenture lists the currentSubsidiary Guarantors. 

[*remainder of page left intentionally blank*] 

 
4 

EXECUTION VERSION 

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

 
Company:
CASCADES INC.
By: /s/ Robert F. Hall 
Name: Robert F. Hall
 
Title: Vice President, Legal Affairs and       Corporate Secretary

New Subsidiary Guarantors:

7678169 CANADA INC.

 
By: /s/ Robert F. Hall 
Name: Robert F. Hall
 
Title: Assistant Secretary

 
CASCADES GIE INC.By: /s/ Robert F. Hall 
Name: Robert F. Hall
 
Title: Secretary

 
CASCADES ENERGY ACTION INC.By: /s/ Louise Paul 
Name: Louise Paul
 
Title: Assistant Secretary

*First Supplemental Indenture*

 
Trustee:
COMPUTERSHARE TRUST COMPANY OF CANADA
By: /s/ Sophie Brault             
Name: Sophie Brault
 
Title: Corporate Trust Officer
By: /s/ Fabienne Pinatel             
Name: Fabienne Pinatel
 
Title: Gestionnaire Fiduciaire – Corporate Trust Officer

*First Supplemental Indenture*

**ANNEX A**

**SUBSIDIARY GUARANTORS AS OF SEPTEMBER 2, 2011**

7251637 CANADA INC. 

7678169 CANADA INC. 

CASCADES CANADA ULC (formerly known as CASCADES CANADA INC.) 

CASCADES ENERGY ACTION INC.

CASCADES ENVIROPAC HPM LLC 

CASCADESFINE PAPERS GROUP INC. 

CASCADES GIE INC. 

CASCADES HOLDING US INC. (formerly known as CASCADES AUBURN FIBER INC.) 

CASCADES MOULDED PULP,INC. 

CASCADES PAPERBOARD INTERNATIONAL INC. 

CASCADES PLASTICS INC. 

CASCADES SPG SALES INC. 

CASCADES TENDERCO INC. 

CASCADES TISSUE GROUP– ARIZONA INC. 

CASCADES TISSUE GROUP – IFC DISPOSABLES INC. 

CASCADES TISSUE GROUP – NEW YORK INC. 

CASCADES TISSUE GROUP – SALES INC. 

CASCADES TISSUE GROUP – TENNESSEE INC. 

CASCADES TISSUE LLC (formerly known as CASCADES TISSUE GROUP – MARYLAND LLC) 

CASCADES TRANSPORT INC. 

CASCADES USA INC. 

KINGSEY FALLS INVESTMENTS INC. 

NORAMPAC EXPORTSALES INC. 

NORAMPAC FINANCE US INC. 

NORAMPAC INDUSTRIES INC. 

NORAMPAC NEW ENGLANDINC. 

NORAMPAC NEW YORK CITY INC. 

NORAMPAC SCHENECTADY INC. 

*First Supplemental Indenture*