First Horizon National Corp. to Post Analysts' Materials on www.fhnc.com Aug. 10

MEMPHIS, Tenn., Aug. 10, 2011 (GLOBE NEWSWIRE) -- First Horizon National Corp.
(NYSE:FHN) will post additional materials for analysts in the investor relations
section of its website at http://ir.fhnc.com/ today. First Horizon expects to
provide these materials to analysts at upcoming meetings and conferences. The
materials will be posted on the website until Sept. 30.

The materials posted may contain forward-looking statements, including guidance,
involving significant risks and uncertainties, which will be identified by words
such as "believe," "expect," "anticipate," "intend," "estimate," "should," "is
likely," "will," "going forward" and other expressions that indicate future
events and trends and may be followed by or reference cautionary statements. A
number of factors could cause actual results to differ materially from those in
the forward-looking information. These factors are outlined in our most recent
earnings press release and in more detail in our most current 10-Q and 10-K
reports. First Horizon disclaims any obligation to update any of the
forward-looking statements that are made from time to time to reflect future
events or developments or changes in expectations.

About First Horizon

The 5,000 employees of First Horizon National Corp. (NYSE:FHN) provide financial
services through almost 180 First Tennessee Bank locations in and around
Tennessee and 18 FTN Financial Group offices in the U.S. and abroad. First
Tennessee has the leading combined market deposit share in the counties where it
does business and one of the highest customer retention rates of any bank in the
country. FTN Financial is a capital markets industry leader in fixed income
sales, trading and strategies for institutional clients in the U.S. and abroad.
FHN has been recognized as one of the nation's best employers by AARP and
Working Mother magazines. More information is available at www.fhnc.com.

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CONTACT: First Horizon Contacts:
Investor Relations, Aarti Bowman, (901)523-4017
Media Relations, Lizzy Haymond, (901)523-4291