The Great Skeedaddle(SM)With more than 3,500 locations nationwide, 398,929 potential drink combinations and a fun drive-in atmosphere, SONIC is the ideal summer road trip stop. SONIC's Two Guys are setting out on an epic road trip this summer – billed as The Great Skeedaddle – and are visiting drive-ins across the country. SONIC fans can head to the brand's Facebook page ( facebook.com/sonicdrivein) to follow the Two Guys' journey in real time, visit their Facebook friends along a personalized road trip route and take a stab at winning great SONIC coupons and a chance to win $5,000 toward a road trip of their own. Half-Price Shakes After 8 p.m.SONIC will continue to bring the heat (in a cool, refreshing way, of course) after the sun sets each night. Guests can enjoy half-price shakes after 8 p.m. all summer long. When factoring this special with both new and classic SONIC menu items, it is clear that summer tastes better at SONIC. About SONIC Drive-InSONIC®, 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 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.