<PAGE>
EXHIBIT 2
---------
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Douglas W. Roberts, Peter Scott and Walter T.
Klenz, and each of them, his true and lawful attorneys-in-fact and agents, each
with full power of substitution and resubstitution, for him and in his name,
place and stead, in any and all capacities, to sign a Schedule 13D in connection
with execution of the Tender, Voting and Option Agreement and Merger Agreement
between Foster's Brewing Group, Bordeaux Acquisition Corporation and the
undersigned and any and all amendments, including post-effective amendments, to
a Schedule 13D, and to file the same, with exhibits thereto and other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents, and each of them, full power and
authority to do and perform each and every act and thing requisite and necessary
to be done, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that each of said attorneys-in-fact
and agents or his substitute or substitutes may lawfully do or cause to be done
by virtue hereof.
Pursuant to the requirements of the Securities Exchange Act of 1934, this
statement has been signed by the following persons in the capacities and on the
date indicated:
<TABLE>
<CAPTION>
Signature Date
--------- ----
<S> <C>
CRULL FAMILY TRUST
By: /s/ Timm F. Crull September 19, 2000
--------------------------
Name: Timm F. Crull
Title: Trustee
MOONE FAMILY TRUST
By: /s/ E. Michael Moone September 19, 2000
-------------------------
Name: E. Michael Moone
Title: Trustee
PRIVATE RESERVE LP
By: /s/ E. Michael Moone September 19, 2000
-------------------------
Name: E. Michael Moone
Title:
MOONE FAMILY FOUNDATION
By: /s/ E. Michael Moore September 19, 2000
-------------------------
Name: E. Michael Moore;
Title: Trustee
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
Signature Date
--------- ----
<S> <C>
MOONE ENTERPRISES LLC
By: /s/ E. Michael Moone September 19, 2000
-------------------------
Name: E. Michael Moone
Title:
THE ROBERT E. STEINHAUER AND
VERNA STEINHAUER 1992 TRUST
By: /s/ Robert E. Steinhauer September 19, 2000
------------------------
Name: Robert E. Steinhauer
Title: SVP Vineyard Operations
ROGERS FAMILY TRUST
By: /s/ Jesse T. Rogers September 19, 2000
-------------------------
Name: Jesse T. Rogers
Title: Trustee
VARE FAMILY PARTNERSHIP
By: /s/ George A. Vare September 19, 2000
-------------------------
Name: George A. Vare
Title: Trustee
PETERSON FAMILY TRUST
By: /s/ Thomas W. Peterson September 19, 2000
-------------------------
Name: Thomas W. Peterson
Title: Trustee
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
Signature Date
--------- ----
<S> <C>
/s/ Richard L. Adams September 19, 2000
------------------------------
Richard L. Adams
/s/ Randy Christofferson September 19, 2000
------------------------------
Randy Christofferson
/s/ Timm F. Crull September 19, 2000
------------------------------
Timm F. Crull
/s/ William A. Franke September 19, 2000
------------------------------
William A. Franke
/s/ E. Michael Moone September 19, 2000
------------------------------
E. Michael Moone
/s/ Jesse Rogers September 19, 2000
------------------------------
Jesse Rogers
/s/ George A. Vare September 19, 2000
------------------------------
George A. Vare
/s/ Richard G. Carter September 19, 2000
------------------------------
Richard G. Carter
/s/ Lloyd P. Chasey September 19, 2000
------------------------------
Lloyd P. Chasey
/s/ Martin L. Foster September 19, 2000
------------------------------
Martin L. Foster
/s/ Walter T. Klenz September 19, 2000
------------------------------
Walter T. Klenz
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
Signature Date
--------- ----
<S> <C>
/s/ Allan Tor Kenwood September 19, 2000
------------------------------
Allan Tor Kenwood
/s/ Benjie Lawrence September 19, 2000
------------------------------
Benjie Lawrence
/s/ Thomas W. Peterson September 19, 2000
------------------------------
Thomas W. Peterson
/s/ Douglas W. Roberts September 19, 2000
------------------------------
Douglas W. Roberts
/s/ Peter Scott September 19, 2000
------------------------------
Peter Scott
/s/ Edward Sbagia September 19, 2000
------------------------------
Edward Sbagia
/s/ Robert E. Steinhauer September 19, 2000
------------------------------
Robert E. Steinhauer
/s/ Janelle E. Thompson September 19, 2000
------------------------------
Janelle E. Thompson
/s/ Douglas A. Walker September 19, 2000
------------------------------
Douglas A. Walker
/s/ James W. Watkins September 19, 2000
------------------------------
James W. Watkins
</TABLE>
