FOURTH SUPPLEMENTAL INDENTURE

This Fourth Supplemental Indenture is dated as of May 27, 2009 (this “ Supplemental Indenture ”), among Interface, Inc., a Georgia corporation (the “ Company ”), Bentley Mills, Inc., a Nevada corporation; Bentley Prince Street, Inc., a Delaware corporation; Commercial Flooring Systems, Inc., a Pennsylvania corporation; Flooring Consultants, Inc., an Arizona corporation; FLOR, Inc., a Georgia corporation; Interface Americas Holdings, LLC, a Georgia limited liability company; Interface Americas, Inc., a Georgia corporation; Interface Americas Re:Source Technologies, LLC, a Georgia limited liability company; Interface Architectural Resources, Inc., a Michigan corporation; InterfaceFLOR, LLC, a Georgia limited liability company; Interface Global Company ApS, a Denmark and Delaware corporation; Interface Overseas Holdings, Inc., a Georgia corporation; Interface Real Estate Holdings, LLC, a Georgia limited liability company; InterfaceSERVICES, Inc., a Georgia corporation; Quaker City International, Inc., a Pennsylvania corporation; Re:Source Americas Enterprises, Inc., a Georgia corporation; Re:Source Minnesota, Inc., a Minnesota corporation; Re:Source New York, Inc., a New York corporation; Re:Source North Carolina, Inc., a North Carolina corporation; Re:Source Oregon, Inc., an Oregon corporation; Re:Source Southern California, Inc., a California corporation; Re:Source Washington, D.C., Inc., a Virginia corporation; Southern Contract Systems, Inc., a Georgia corporation; Superior/Reiser Flooring Resources, Inc., a Texas corporation  (collectively, the “ Guarantors ”), and U.S. Bank National Association (as successor to First Union National Bank, a national banking association), as trustee under the Indenture referred to below (the “ Trustee ”).

WHEREAS , the Company and the Trustee are parties to an Indenture, dated as of January 17, 2002 (as subsequently supplemented, the “ Indenture ”), providing for the issuance of an aggregate principal amount of $175,000,000 of the Company’s 10.375% Senior Notes due 2010 (the “ Existing Notes ”); and

WHEREAS , the Company has solicited consents (the “ Consent Solicitation ”) from the Holders of the Existing Notes to certain proposed amendments to the Indenture (the “ Proposed Amendments ”) as set forth in Section 2.1 hereof, in accordance with the terms of an Offer to Purchase and Consent Solicitation Statement dated May 14, 2009 (the “ Offer to Purchase ”); and

WHEREAS , pursuant to Section 9.02 of the Indenture, with the consent of the Holders of not less than a majority in aggregate principal amount of the Existing Notes at the time outstanding, the Company, the Guarantors and the Trustee may enter into a supplemental indenture for the purpose of adopting the Proposed Amendments;

WHEREAS , pursuant to the Consent Solicitation, the Holders of a majority in aggregate principal amount of the outstanding Existing Notes have consented to the adoption of the Proposed Amendments;

WHEREAS , the Existing Notes are the only series of notes currently outstanding under the Indenture;

WHEREAS , the Supplemental Indenture complies with the provision of the Trust Indenture Act of 1939, as amended (the “ Trust Indenture Act ”); and

WHEREAS , the Supplemental Indenture has been approved by the Boards of Directors of the Company and the Guarantors or by duly authorized committees of such Boards, or by similar governing bodies or entities;

NOW, THEREFORE , in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties hereto mutually covenant and agree as follows:

SECTION 1.1   Defined Terms .  Capitalized terms not otherwise defined herein shall have the meaning given to them in the Indenture, except that the term “ Holders ” in this Supplemental Indenture shall refer to the “Holders” as defined in the Indenture and to the Trustee acting on behalf or for the benefit of such Holders.  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.

SECTION 2.1   Deletion of Certain Articles, Sections and Subsections from the Indenture . The text of the following articles, sections and subsections of the Indenture shall be deleted from the Indenture: