Sonic to Broadcast Its Second Quarter Conference Call Live On the Internet

Sonic to Broadcast Its Second Quarter Conference Call Live On the Internet

Business Editors

OKLAHOMA CITY–(BUSINESS WIRE)–March 18, 2002

Sonic Corp. (Nasdaq/NM: SONC) today announced that it will provide an online Web simulcast of its second quarter 2002 earnings release conference call on Tuesday, March 26, 2002. During this call, management will comment on Sonic’s

financial and operational results for the second quarter ended February 28, 2002, which will be released following the market’s close on March 25, 2002, and review the company’s earnings guidance for fiscal 2002.

The live broadcast of Sonic’s conference call will begin at 10:00 a.m. Eastern Time on March 26, 2002. An online replay will be available approximately two hours following the conclusion of the live broadcast and will continue through April 26, 2002. Links to these events can be found at the investor section of the company’s website, www.sonicdrivein.com.

Sonic Corp. franchises and operates the largest chain of drive-in restaurants in the United States.

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