NOW, THEREFORE, in consideration of the foregoing and for other good and valuableconsideration, the receipt of which is hereby acknowledged, the Issuer, the New Guarantor, eachExisting Guarantor and the Trustee mutually covenant and agree for the equal and ratable benefit ofthe holders of the Securities as follows:ARTICLE IDEFINITIONSSection 1.1. Defined Terms. Unless otherwise defined in this Supplemental Indenture,terms defined in the Indenture are used herein as therein defined.ARTICLE IINEW GUARANTORSSection 2.1. Addition of New Guarantor. The New Guarantor, by its execution of thisSupplemental Indenture, agrees to be a Guarantor under the Indenture and to be bound by the termsof the Indenture applicable to Guarantors, including, but not limited to, Article XI thereof.ARTICLE IIIMISCELLANEOUSSection 3.1. Parties. Nothing expressed or mentioned herein is intended or shall beconstrued to give any Person, firm or corporation, other than the Holders and the Trustee, anylegal or equitable right, remedy or claim under or in respect of this Supplemental Indenture or theIndenture or any provision herein or therein contained.Section 3.2. Governing Law, etc. This Supplemental Indenture shall be governed by theprovisions set forth in Section 12.08 of the Indenture.Section 3.3. Severability. In case any provision in this Supplemental Indenture shallbe invalid, illegal or unenforceable, the validity, legality and enforceability of the remainingprovisions shall not in any way be affected or impaired thereby and such provision shall beineffective only to the extent of such invalidity, illegality or unenforceability.Section 3.4. Ratification of Indenture; Supplemental Indenture Part of Indenture.Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and allthe terms, conditions and provisions thereof shall remain in full force and effect. ThisSupplemental Indenture shall form a part of the Indenture for all purposes, and every holder ofSecurities heretofore or hereafter authenticated and delivered shall be bound hereby. The Trusteemakes no representation or warranty as to the validity or sufficiency of this SupplementalIndenture.Section 3.5. Duplicate and Counterpart Originals. The parties may sign any numberof copies of this Supplemental Indenture. One signed copy is enough to prove thisSupplemental Indenture. This Supplemental Indenture may be executed in any number of counterparts,each of which so executed shall be an original, but all of them together represent the sameagreement.Section 3.6. Headings. The headings of the Articles and Sections in thisSupplemental Indenture have been inserted for convenience of reference only, are not intended to beconsidered as a part hereof and shall not modify or restrict any of the terms or provisions hereof.[Signatures on Following Page]
 
2

 
IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be dulyexecuted as of the date first above written.       VITRO, S.A.B. de C.V., as Issuer       By:           Name: Ramón Leal Chapa    Title: Attorney in Fact       By:           Name: Rafael Colome Carrasco    Title: Attorney in Fact       NEW GUARANTOR       VIDRIOS Y CRISTALES DEL NOROESTE, S.A. DE C.V.       By:           Name: Javier Arechavaleta Santos    Title: Attorney in Fact       EXISTING GUARANTORS       VIMEXICO, S.A. DE C.V.;  VITRO ENVASES NORTEAMÉRICA, S.A. DE C.V.;  VITRO CORPORATIVO, S.A. DE C.V.;  VITRO ENVASES HOLDING, S.A. DE C.V.;  TALLER DE COLECCIÓN VITRO, S.A. DE C.V.;  SERVICIOS CORPORATIVOS DE EDIFICACIONES, S.A. DE C.V.;  VIDRIERA MONTERREY, S.A. DE C.V.;  VIDRIERA LOS REYES, S.A. DE C.V.;  VIDRIERA GUADALAJARA, S.A. DE C.V.;  VIDRIERA QUERETARO, S.A. DE C.V.;
 
3

 
       VIDRIERA MEXICO, S.A. DE C.V.;  VIDRIERA TOLUCA, S.A. DE C.V.;  COMPAÑÍA VIDRIERA, S.A. DE C.V.;  FABRICACION DE MAQUINAS, S.A. DE C.V.;  SERVICIOS INTEGRALES DE ACABADOS, S.A. DE C.V.;  INMOBILIARIA LOMA DEL TORO, S.A. DE C.V.;  INDUSTRIA DEL ALCALI, S.A. DE C.V.;  COMERCIALIZADORA ALCALI, S. DE R.L. DE C.V.;  VIDRIO LUX, S.A.;  VITRO PACKAGING, INC.;  CENTRO DE TECNOLOGIA VIDRIERA, LTD.;  VITRO EUROPA, LTD.;  AMERICAN ASSET HOLDINGS, CORP.;  CRISA HOLDINGS CORP.;  TROPER INC.;  IMPERIAL ARTS CORP.;  TROPER SERVICES, INC.;  SFK INDUSTRIES, INC.;  ALLIANCE PRECISION PRODUCTS CORPORATION;  AMSILCO HOLDINGS, INC.;  BBO HOLDINGS, INC.;  CRISA CORP.;  VK CORP.;  VITRO AUTOMOTRIZ, S.A. DE C.V.;  VITRO FLEX, S.A. DE C.V.;  DISTRIBUIDORA NACIONAL DE VIDRIO, S.A. DE C.V.;  VITRO VIDRIO Y CRISTAL, S.A. DE C.V.;  VITRO FLOTADO CUBIERTAS, S.A. DE C.V.;  DISTRIBUIDOR VIDRIERO LAN, S.A. DE C.V.;  VITROCAR, S.A. DE C.V.;  CRISTALES INASTILLABLES DE MEXICO, S.A. DE C.V.;  VIDRIO PLANO DE MEXICO, S.A. DE C.V.;  VVP HOLDINGS CORP.;  VVP SYNDICATION, INC.;  VVP AUTOGLASS, INC.;  VITRO AMERICA, INC.;  SUPER SKY PRODUCTS, INC.;  SUPER SKY INTERNATIONAL, INC.;  VVP FINANCE CORP.;  SUPER SKY CONSTRUCTORS, INC.;  VITRO COLOMBIA, S.A.;  VVP EUROPA HOLDINGS, B.V.;
 
4

 
       VITRO DO BRASIL INDUSTRIA E COMERCIO, LTDA.;  ORIENTAL GLASS, INC.;  VITRO CHEMICALS, FIBERS AND MINING, INC.;  VITROSA HOLDING, LTD.;  VIDRIO PLANO, S.A. DE C.V.;  DISTRIBUIDORA DE VIDRIO Y CRISTAL, S.A. DE C.V.;  VIDRIO PLANO DE MEXICALI, S.A. DE C.V.;  VITEMCO VENEZUELA, S.A.;  VITRO PANAMA, S.A.;  SERVICIOS Y OPERACIONES FINANCIERAS VITRO, S.A. DE C.V.; AND  VITEMCO ECUADOR, S.A. AND  VITRO GLOBAL, LTD.       By:           Name: Ramón Leal Chapa    Title: Attorney in Fact       By:           Name: Rafael Colome Carrasco    Title: Attorney in Fact
 
5

 
       U.S. BANK NATIONAL ASSOCIATION, as Trustee       By:           Name:    Title:
 
6