This document is available in two formats: this web page (for browsing content) and PDF (comparable to original document formatting). To view the PDF you will need Acrobat Reader, which may be downloaded from the Adobe site. For an official signed copy, please contact the Antitrust Documents Group.



Attachment A

Secretary Certificate

Resolutions of the Board of Directors of Alliance Mechanical, LLC

Stamp:
_____ FILED     X     LODGED
_____ RECEIVED _____ COPY
MAR 0 6 2008

CLERK U S DISTRICT COURT
DISTRICT OF ARIZONA

BY _______________ DEPUTY

CR-07-913-01-PHX-JAT

The undersigned certifies that the Board of Directors of Alliance Mechanical, LLC ("Alliance") unanimously adopted the following resolutions on February 28, 2008:

RESOLVED, the execution, delivery, and performance of the Plea Agreement between Alliance and the United States Department of Justice, in substantially the form presented to this meeting ("Plea Agreement"), is hereby approved;

RESOLVED, that any duly elected officer of Alliance (collectively, "Authorized Officer"), is hereby authorized and directed to execute and deliver the plea Agreement in the name and on behalf of Alliance;

RESOLVED, that any Authorized Officer or other designated corporate representative is hereby authorized to represent Alliance at any hearing in order to waive certain rights of Alliance and to enter a plea, all in accordance with the provision of the Plea Agreement; and

RESOLVED, that any Authorized Officer is hereby authorized and empowered to take any and all actions required or appropriate in order to carry out the intent and purpose of the preceding resolutions.

Date: February 28, 2008_______________/s/________________
, Secretary