Exhibit 11

Domaines Barons de Rothschild (Lafite) SCA

33, rue de la Baume

75008 Paris

France

September 15, 2004

Constellation Brands, Inc.

370 Woodcliff Drive

Fairport, New York 14450

Attention: Richard Sands

Huneeus Vintners LLC

1601 Silverdo Trail

Napa, California 94574

Gentlemen:

This letter will confirm that the commitments of each of Domaines Barons de Rothschild (Lafite) SCA (“DBR”), Constellation Brands, Inc., acting through its wholly-owned subsidiary, Franciscan Vineyards, Inc. (“Constellation”), and Huneeus Vintners LLC (“Huneeus” and together with DBR and Constellation, the “Principals”) contained in the Commitment Letter (the “Commitment Letter”), dated as of May 16, 2004 among Principals, shall be extended and expire on December 31, 2004 if no Merger Agreement (as defined in the Commitment Letter) shall have been entered into prior to that date.

Please confirm that the foregoing conforms to your understanding by executing and returning a copy of this letter to the undersigned, whereupon this letter shall, constitute a binding agreement among ourselves.

Confirmed and Agreed:

- 2 -