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Customer Notice

Date: August 29, 2008
To: Greenway Plaza Customers
From: Crescent Customer Center
Subject: Tropical Storm Gustav - Hurricane Preparedness

With Tropical Storm Gustav scheduled to enter the Gulf and become a hurricane sometime over the weekend, the Greenway Plaza Customer Service team will continue to monitor the National Weather Service and other weather forecasting services regarding the status of the storm. Additionally, we are in contact with local officials regarding emergency preparedness plans.

We are currently making building and property preparations for the storm. Rooftop inspections of antennas and satellite dishes are being conducted and unsecured materials and equipment are being removed from the rooftops and the engineering staff has restocked building emergency supplies such as batteries, flashlights, plywood and sandbags.

This is the time for you to review the emergency procedures for your company and make back-up plans for alternate sites if the Greenway Plaza area becomes inaccessible. Please provide your Crescent Customer Center any changes in emergency contact names or phone numbers. Please review Greenway's hurricane preparedness information for our customers at your convenience.

At this point, we have no reliable prediction regarding the landfall location of this storm. The buildings will remain open for business as usual up and until the forecast includes Houston as being in the direct path of the storm. Please continue to monitor the weather throughout the weekend and check our Building HOTLINE at 1.800.214.1990 or visit our website at www.greenwayplaza.com. In the interim, however, we would like to recommend that you consider the following as items that should be accomplished if and when the storm is determined to be heading our way.

Those items include:

• Move all files to interior offices.
• Remove any loose items from perimeter offices facing the glass.
• Leave blinds all the way up, as loose blinds may cause further damage if windows are lost.
• Back up files on computers
• Remove computers and electronic equipment from perimeter offices.
• Close exterior doors prior to leaving the office today.

To verify the status of buildings and garages please call the Greenway Plaza HOTLINE at 1.800.214.1990 or visit our website at www.greenwayplaza.com. Additional building closure information should this be necessary will also be available by tuning in to radio station KTRH (740 on your AM dial).

Please be assured we are here to assist you in any way possible. If you have any questions on this or any other matter, do not hesitate to contact your Crescent Customer Center at - Phase I Buildings: 713.965.2212 and Phase II Buildings at 713.965.2913.