Sonic Corp. to Present at Upcoming Conferences

Sonic Corp. (NASDAQ:SONC), the nation's largest chain of drive-in restaurants, today announced that the company will be presenting at the following conferences:

• On Tuesday, June 9, the Company will present at the William Blair 35th Annual Growth Stock Conference at the Four Seasons in Chicago, IL. The presentation will begin at 9:10 AM ET.
• On Wednesday, June 10, the Company will present at the Piper Jaffray 35th Annual Consumer Conference at The New York Palace Hotel in New York, NY. The presentation will begin at 2:55 PM ET.
• On Tuesday, June 23, the Company will present at the Oppenheimer 15th Annual Consumer Conference at the Four Seasons Hotel in Boston, MA. The presentation will begin at 1:45 PM ET.

Investors and interested parties can access the presentation by visiting the Company's investor relations website at http://ir.sonicdrivein.com/.

About Sonic

Sonic, America's Drive-In, originally started as a hamburger and root beer stand in 1953 in Shawnee, Oklahoma 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 approximately three 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, 405-225-4846Senior Vice President, ChiefFinancial Officer and Treasurer