**Exhibit 4.3**

SUPPLEMENTAL INDENTURE NO. 2 

SUPPLEMENTAL INDENTURE No. 2 (this “Supplemental Indenture”),dated as of January 24, 2008 among Watchguard Registration Services, Inc., an Indiana corporation (the “Additional Subsidiary Guarantor”), Affinion Group, Inc., a Delaware corporation (the “Issuer”), and Wells Fargo Bank,National Association, as Trustee under the Indenture (the “Trustee”). 

WITNESSETH: 

WHEREAS, the Issuer and the Subsidiary Guarantors have heretofore executed and delivered to the Trustee an Indenture (the “Indenture”), datedas of October 17, 2005, providing for the issuance of Senior Notes (the “Notes”); 

WHEREAS, Section 4.11 andSection 10.06 of the Indenture provide that under certain circumstances the Issuer shall cause the Additional Subsidiary Guarantor to execute and deliver to the Trustee a guaranty agreement pursuant to which the Additional Subsidiary Guarantorshall guarantee payment of the Notes on the same terms and conditions as those set forth in Article 10 of the Indenture; and 

WHEREAS,pursuant to Section 9.01(v) of the Indenture, the Trustee and the Issuer are authorized to execute and deliver this Supplemental Indenture. 

NOW THEREFORE, in consideration of the foregoing and for good and valuable consideration, the receipt of which is hereby acknowledged, the Issuer, the Additional Subsidiary Guarantor and the Trustee mutually covenant and agree for the equaland ratable benefit of the Holders of the Notes as follows: 

SECTION 1. Capitalized Terms. Capitalized terms used herein but notdefined shall have the meanings assigned to them in the Indenture. 

SECTION 2. Guarantees. The Additional Subsidiary Guarantorhereby agrees, jointly and severally with all other Guarantors, to guarantee the Issuer’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 applicableprovisions of the Indenture. 

SECTION 3. Ratification of Indenture; Supplemental Indentures Part of Indenture. Except as expresslyamended 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, andevery holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 

SECTION 4. Governing Law. **THISSUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.**

SECTION 5.Trustee Makes No Representation. The Trustee makes no representation as to the validity or sufficiency of this Supplemental Indenture. 

 

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SECTION 6. Counterparts. The parties may sign any number of copies of this Supplemental Indenture.Each signed copy shall be an original, but all of them together represent the same agreement. 

SECTION 7. Effect of Headings. TheSection headings herein are for convenience only and shall not effect the construction of this Supplemental Indenture. 

 

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

 
AFFINION GROUP, INC.by /s/ Todd Siegel Name: Todd Siegel Title: Executive Vice President and General CounselWATCHGUARD REGISTRATION SERVICES, INC.by /s/ Todd Siegel Name: Todd Siegel Title: Executive Vice President and SecretaryWELLS FARGO BANK, NATIONAL ASSOCIATIONby /s/ Lynn M. Steiner Name: Lynn M. Steiner Title: Vice President
 

[Supplemental Indenture No. 2 (Senior)]