AutoZone Authorizes Additional Stock Repurchase

MEMPHIS, Tenn., Sept. 28, 2011 (GLOBE NEWSWIRE) -- AutoZone, Inc. (NYSE:AZO),
today announced its Board of Directors authorized the repurchase of an
additional $750 million of the Company's common stock in connection with its
ongoing share repurchase program. Since the inception of the repurchase program
in 1998, and including the above amount, AutoZone's Board of Directors has
authorized $11.2 billion.

"AutoZone's continued strong financial performance allows us to repurchase our
stock while maintaining our investment grade credit ratings," said Bill Giles,
Executive Vice President, Chief Financial Officer, Information Technology and
Store Development. "We remain committed to utilizing share repurchases within
the bounds of a disciplined capital structure to enhance stockholder returns
while maintaining adequate liquidity to execute our plans."

Additionally, Theodore W. Ullyot has decided not to stand for re-election to the
Board of Directors at the upcoming Stockholders' Meeting in December due to
other business and time commitments. "Mr. Ullyot has been a Board Member since
2006, and we appreciate his sage advice and guidance these last several years.
As Ted's other commitments have grown more time consuming, we understand his
reasons for leaving our Board; however, we are sorry to have him depart. We wish
Ted all the best on his future endeavors," said Bill Rhodes, Chairman, President
and CEO.

About AutoZone:

As of August 27, 2011, AutoZone sells auto and light truck parts, chemicals and
accessories through 4,534 AutoZone stores in 48 U.S. states plus the District of
Columbia and Puerto Rico and 279 stores in Mexico.

AutoZone is the leading retailer and a leading distributor of automotive
replacement parts and accessories in the United States. Each store carries an
extensive product line for cars, sport utility vehicles, vans and light trucks,
including new and remanufactured automotive hard parts, maintenance items,
accessories, and non-automotive products. Many stores also have a commercial
sales program that provides commercial credit and prompt delivery of parts and
other products to local, regional and national repair garages, dealers, service
stations, and public sector accounts. AutoZone also sells the ALLDATA brand
diagnostic and repair software through www.alldata.com. Additionally, we sell
automotive hard parts, maintenance items, accessories, non-automotive products
and subscriptions to the ALLDATAdiy product through www.autozone.com, and our
commercial customers can make purchases through www.autozonepro.com. AutoZone
does not derive revenue from automotive repair or installation.

CONTACT: Media:
Ray Pohlman
866-966-3017
ray.pohlman@autozone.com
Financial:
Brian Campbell
901 495-7005
brian.campbell@autozone.com