**SUPPLEMENTAL INDENTURE**    dated as of April 27, 2007    among    VITRO, S.A.B. de C.V.,    The Guarantors Party Hereto    and    THE BANK OF NEW YORK,    as Trustee, Registrar and Paying Agent

8.625%    Senior Notes due    2012

This Supplemental Indenture, dated as of April    27, 2007, (this "Supplemental Indenture"), among Vitro, S.A.B. de C.V.,    a Mexican corporation (*sociedad anonima    bursatil de capital variable*) (together with its successors and assigns,    the "Company"), each of the Subsidiaries identified under the caption  "NEW GUARANTORS" on the signature pages hereto (individually, a "New Guarantor" and collectively, the  "New Guarantors"), each of the Subsidiaries identified    under the caption "EXISTING GUARANTORS" on the signature pages hereto (individually,    an "Existing Guarantor" and collectively, the "Existing Guarantors"),    and The Bank of New York, as Trustee (the "Trustee"), registrar (the  "Registrar") and paying agent (the "Paying Agent").

**RECITALS**

WHEREAS, the Company, the Existing Guarantors    and the Trustee entered into the Indenture, dated as of February 1, 2007 (the  "Indenture"), relating to the Company's 8.625% Senior Notes due 2012    (the "Notes"); 

WHEREAS, as a condition to the Trustee entering    into the Indenture and the purchase of the Notes by the Holders, the Company    agreed pursuant to the Indenture to cause the New Guarantors to provide Note    Guaranties.

**AGREEMENT**

NOW, THEREFORE, in consideration of the premises    and mutual covenants herein contained and intending to be legally bound, the    parties to this Supplemental Indenture hereby agree as follows:

Section 1. Capitalized terms used herein and    not otherwise defined herein are used as defined in the Indenture.

Section 2. Each New Guarantor, by its execution    of this Supplemental Indenture, agrees to be a Guarantor under the Indenture    and to be bound by the terms of the Indenture applicable to Guarantors, including,    but not limited to, Article 10 thereof.

Section 3. This Supplemental Indenture shall    be governed by and construed in accordance with the laws of the State of  New York.

Section 4. This Supplemental Indenture may be    signed in various counterparts which together will constitute one and the    same instrument.

Section 5. This Supplemental Indenture is an    amendment supplemental to the Indenture and the Indenture and this Supplemental    Indenture will henceforth be read together.

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

VITRO, S.A.B. de C.V., as Issuer

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NEW GUARANTORS

 

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.

By:
  
Name:

Ramon Leal Chapa
 
Title:

Attorney in Fact

By:
  
Name:

Rafael Colome Carrasco
 
Title:

Attorney in Fact

 

EXISTING GUARANTORS

 

VIMEXICO, S.A. DE C.V.;

VITRO ENVASES NORTEAMERICA, S.A. DE C.V.;

VITRO CORPORATIVO, S.A. DE C.V.;

VITRO ENVASES HOLDING, S.A. DE C.V.;

TALLER DE COLECCION 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.;

VIDRIERA MEXICO, S.A. DE C.V.;

VIDRIERA TOLUCA, S.A. DE C.V.;

COMPANIA 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.;

VITRO DO BRASIL INDUSTRIA E COMERCIO, LTDA.;

ORIENTAL GLASS, INC.;

VITRO CHEMICALS, FIBERS AND MINING, INC.;

VITROSA HOLDING, LTD.; AND

VITRO GLOBAL, LTD.

By:
  
Name:

Ramon Leal Chapa
 
Title:

Attorney in Fact

By:
  
Name:

Rafael Colome Carrasco
 
Title:

Attorney in Fact

THE BANK OF NEW YORK,          as Trustee, Registrar and Paying Agent

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Name:
  
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