Sonic President to Resign

  Sonic President to Resign

   Chairman and Chief Executive Officer Will Assume the Title of President

Business Wire

OKLAHOMA CITY -- January 24, 2013

Sonic Corp. (NASDAQ: SONC), the nation's largest chain of drive-in
restaurants, today announced that Scott McLain, the company’s President, will
resign from the position effective March 31, 2013. McLain will continue to
serve the company in a transition role through the end of June 2013. The
company also announced that, upon McLain’s resignation as President, Cliff
Hudson, Chairman and Chief Executive Officer, will assume the title of
President, and McLain’s responsibilities will be allocated among current and
prospective members of management.

“Scott has made numerous and substantial contributions to Sonic, and we would
like to thank him for his work and commitment to the brand. We would also like
to thank him for staying on to assure a smooth transition,” said Cliff Hudson,
Chairman and Chief Executive Officer. “Scott helped develop a number of
initiatives to grow our brand, and his impact will continue with the
successful implementation of those initiatives.”

“I am fortunate to have been part of the Sonic family for the past 17 years. I
will treasure the strong relationships I’ve developed, including those with my
dedicated co-workers and our terrific Sonic franchisees,” said Scott McLain.
“Sonic is about providing opportunities for people, and I am deeply grateful
for the opportunities it has provided my family and me. The Sonic brand is in
a very good place, and I am ready for a new challenge.”

McLain joined Sonic in 1996 as Treasurer, was named Chief Financial Officer in
1997 and President in 2004.

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, Oklahoma. 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.

SONC-G

Contact:

Sonic Corp.
Claudia San Pedro, 405-225-4846
Vice President of Investor Relations, Communications and Treasurer