2009-01-09 03:37:02 -

Sonic Corp. (NASDAQ:SONC), the nation's largest chain of drive-in restaurants, today announced that it has revised the date and time for the release of results for the first quarter of fiscal 2009 ended November 30, 2008, and the online Web simulcast of its conference call to Wednesday, January 7, 2009, from Thursday, January 8, 2009, as earlier announced.

The Company will release results for the quarter at the market's close on Wednesday, January 7, 2009. The live broadcast of Sonic's conference call will begin at 5:00 p.m. Eastern Time that day. An online replay will be available approximately two hours following the conclusion of the live broadcast and will continue through February 7, 2009. Links to these events may be found at the investor section of the company's website, www.sonicdrivein.com.


About Sonic


Sonic, America's Drive-In, originally started as a hamburger and root beer stand in 1953 in Shawnee, Okla., called Top Hat Drive-In, and then changed its name to Sonic in 1959. The first drive-in to adopt the Sonic name is still serving customers in Stillwater, Okla. Sonic has more than 3,500 drive-ins coast to coast, where more than a million customers eat every day. For more information about Sonic Corp. and its subsidiaries, visit Sonic at www.sonicdrivein.com.


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Sonic Corp.

Claudia San Pedro, 405-225-4846

Treasurer and Vice President of Investor Relations