Cullen/Frost Bankers, Inc. Hosts First Quarter 2009 Earnings Conference Call

SAN ANTONIO, April 16 /PRNewswire-FirstCall/ -- Cullen/Frost Bankers, Inc.
(NYSE: CFR) will host a conference call on Wednesday, April 22, 2009 to
discuss first quarter 2009 earnings.

(Logo: http://www.newscom.com/cgi-bin/prnh/20030109/CFRLOGO)

Earnings Release: The earnings release for Cullen/Frost Bankers, Inc. will be
available at approximately 8:00 a.m. Central Time (CT) on the internet at
www.frostbank.com or via fax by request.

Conference Call and Live Webcast: The conference call will begin at 10:00 a.m.
CT (11:00 a.m. Eastern) and will be hosted by Dick Evans, Chairman and CEO,
Phil Green, Group Executive Vice President and CFO and Greg Parker, Executive
Vice President and Director of Investor Relations.

Following the prepared remarks there will be a question and answer session for
the analyst community. Media and other interested individuals are invited to
listen to the call at the following number:

Telephone Number
Domestic: 800-944-6430

There will be a live webcast of the call. To access the webcast, go to
www.frostbank.com, click on About Frost, then click Investor Relations.

Conference Call Playback and Webcast Archive: Those unable to listen to the
conference call live will be able to hear a digital playback of the conference
call that will be available after 2:00 p.m. CT until midnight Sunday, April
26, 2009.

Telephone Numbers for Playback
Toll Free: 800-642-1687 Conference ID# 94661695
International: 706-645-9291

The webcast will be archived and available for playback after 2:00 p.m. CT. To
listen to the webcast log on to: www.frostbank.com, click on About Frost, then
click Investor Relations.

It is recommended that those wishing to dial into the conference call do so
approximately 5 to 10 minutes prior to the call to ensure a more efficient
registration process. For further information contact Greg Parker, Executive
Vice President and Director of Investor Relations at (210) 220-5632.

SOURCE Cullen/Frost Bankers, Inc.

Greg Parker, Executive Vice President and Director of Investor Relations of
Cullen/Frost Bankers, Inc., +1-210-220-5632