SONIC, America’s Drive-In (NASDAQ/NM: SONC) 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. As the nation’s largest chain of drive-in restaurants, SONIC has more than 3,500 drive-ins in 43 states coast to coast. Approximately 3 million customers eat at SONIC every day; and with more drink combinations than any other quick-service restaurant – 398,929 – SONIC is Your Ultimate Drink Stop®. For more information about Sonic Corp. and its subsidiaries, visit SONIC at www.sonicdrivein.com. Through Limeades for Learning℠, SONIC and its franchise partners have donated more than $2 million to public school classrooms in local communities across the country. Visit www.limeadesforlearning.comto learn more about SONIC’s commitment to education.