Clifford Hudson has spent the last 25 years of his career at Sonic Corp., an Oklahoma City-based, publicly-held company that owns, operates and franchises Sonic Drive-In restaurants (NASDAQ: SONC). Today, he is chairman of the board and chief executive officer of this public company with 3,500 franchised and company-operated drive-in restaurants. Sonic's common stock is included in the S&P MidCap 600 Index.

Hudson was named chairman of Sonic Corp. in January 2000. Previously, Hudson was chief executive officer (CEO) and president of Sonic Corp., positions he held since April 1995. Prior to that time, he served the company in a variety of capacities, including general counsel, chief financial officer and chief operating officer.

During Hudson's tenure as CEO of Sonic, average drive-in profit has grown from $78,000 to almost $160,000, average drive-in sales from $602,000 to $1.1 million, system-wide sales from $880 million to almost $4 billion and brand awareness has doubled. The company's revenues are seven times greater and enterprise value (the public value of its common stock plus debt) has grown from approximately $200 million to more than $1.0 billion.

In his position, Hudson has earned achievements as the 2004 Silver Plate - Foodservice Operator of the Year Award from International Foodservice Manufacturers Association and 2000 Multi-Unit Foodservice Operators (MUFSO) Golden Chain Award from Nation's Restaurant News. Most recently, Sonic has also received national recognition from publications such as Forbes, Entrepreneur, QSR and Restaurants & Institutions magazines. He has been a guest on various national business programs including CNBC's Mad Money, Squawkbox and Power Lunch, as well as various Bloomberg news programs.

Hudson has been affiliated with many nonprofit and community activities. He served as chairman of the board of directors of the Securities Investor Protection Corporation (SIPC), a presidential appointment, from 1994 - 2001. He recently served as Chairman of the Oklahoma City School Board from 2001-2008, a position created in 2000 as part of a $530 million turn

around of a 40,000 student, inner-city Oklahoma City Public School system. He currently serves as trustee of the Ford Foundation (New York) and is the Chairman of the Board of the National Trust for Historic Preservation.

Through his education work, Hudson has been involved with art and music programs, including leading a Sonic-sponsored music group, The Sonic Tones. In addition to performing with the Oklahoma City symphony in 2003, The Sonic Tones performed at the Rock and Roll Hall of Fame in Cleveland, Ohio through the Fortune magazine-sponsored "Battle of Corporate Bands".

Hudson graduated from the University of Oklahoma, which he attended with Phi Beta Kappa and President's Leadership scholarships. In 1998, Hudson was honored as a distinguished alumnus of the University of Oklahoma College of Arts and Sciences, where he serves as a member of the College of Arts and Sciences Board of Visitors. In 2001, he received the University's Regents Award from its board of regents.

Hudson graduated from the Georgetown University Law Center, where he was a member of the legal honor society, Phi Delta Phi. In 1979, he served as an editor of the International Law Journal, a publication of the Association of Student International Law Societies. He is also a member of the board of visitors of Georgetown University Law Center and in 2006 was given the Paul Dean Award for service to the school.

He and his wife, Leslie, an epidemiologist, have two sons and live in Oklahoma City.

Holdings: 41,789 shares     View Transactions

Date	Type	Shares Traded	Price Range
Apr 20, 2010	Sell	66,700	12.25
Apr 20, 2010	Option Execute	108,489	5.71
Aug 5, 2009	Disposition (Non Open Market)	60,000	n/a
Apr 28, 2009	Disposition (Non Open Market)	41,000	n/a
Mar 26, 2009	Disposition (Non Open Market)	5,200	n/a
Mar 3, 2009	Disposition (Non Open Market)	66,397	8.03
Mar 3, 2009	Option Execute	93,050	5.73
Dec 18, 2008	Disposition (Non Open Market)	11,000	n/a
Mar 7, 2008	Disposition (Non Open Market)	24,272	20.10
Mar 7, 2008	Option Execute	114,797	4.25
Feb 29, 2008	Disposition (Non Open Market)	500	21.33
Oct 26, 2007	Sell	183,636	25.00
Oct 25, 2007	Sell	93,700	25.00
Oct 24, 2007	Sell	1,500	25.00
Oct 17, 2007	Disposition (Non Open Market)	30,000	n/a
Jan 5, 2007	Disposition (Non Open Market)	61,543	22.29
Jan 5, 2007	Option Execute	174,034	2.37
Dec 28, 2006	Disposition (Non Open Market)	4,200	24.34
Oct 2, 2006	Disposition (Non Open Market)	11,500	22.65
Jul 6, 2006	Disposition (Non Open Market)	400	20.84
Jan 6, 2006	Disposition (Non Open Market)	22,796	28.40
Jan 6, 2006	Option Execute	170,376	3.80

Omar Janjua is president of Sonic Restaurants, Inc., Sonic Corp.'s division of company-owned drive-ins. In this position, Janjua is responsible for overseeing all aspects of SRI operations including field marketing and operations support for SRI drive-ins.

Janjua joined SONIC in September 2009 from Steak 'n Shake Company, where he was previously executive vice president and chief operating officer. At Steak 'n Shake, he was responsible for the operations of 490 system restaurants with annual revenues of approximately $700 million.

Janjua holds a master's degree in business administration from Minnesota State University and is a graduate of Georgia Institute of Technology with a major in operations management.

Janjua lives in Oklahoma City while his family, a wife and three daughters live in Indianapolis.

Scott McLain is president of Sonic Corp., the nation's largest chain of drive-in restaurants. McLain joined SONIC in April 1996 as treasurer and was named chief financial officer in August 1997. He was promoted to executive vice president in January 2004, president of Sonic Industries, the company's franchising subsidiary, in November 2004 and his current position in May 2008.

Prior to joining SONIC Corp., McLain was treasurer for Stevens International, Inc. in Fort Worth, Texas. He also served as manager for Price Waterhouse in Dallas, Texas, and as vice president of Team Bank (Bank One) in Fort Worth, Texas.

McLain is a graduate of Baylor University in Waco, Texas, where he received a bachelor's degree in business administration with an emphasis on accounting and marketing. He also earned a master's degree in business administration in finance from the University of Texas at Austin. McLain is a certified public accountant.

McLain lives in Edmond, Okla., with his wife, Dana, and their two sons.

Stephen Vaughan is executive vice president and chief financial officer of Sonic Corp., an Oklahoma City-based, publicly-held company that owns, operates and franchises Sonic Drive-In restaurants. He is responsible for accounting and financial reporting, investor relations, all treasury functions and risk management.

Vaughan has worked at Sonic since 1992 in various positions, including internal auditor, assistant controller and controller. Prior to assuming his current position, he served as vice president of planning & analysis and treasurer. He previously worked at Ernst & Young as an auditor.

Vaughan earned his bachelor's degree in business administration from the University of Oklahoma. He also is a certified public accountant. Vaughan serves on the board of the Oklahoma FFA Foundation and the Oklahoma City National Memorial Foundation.

Vaughan lives in Oklahoma City, Okla., with his wife, Merrie Lynn, and their two children.

Rob Geresi is senior vice president of franchise operations - core markets for Sonic Industries Services, Inc., the Oklahoma City-based headquarters of SONIC®, America's Drive-In®. He was promoted from senior vice president - operations for Sonic Restaurants, Inc. (SRI), SONIC's division of company-owned drive-ins, to his current position in May 2008.

Geresi is responsible for supporting SONIC's field operations teams that provide program development, relationship building and communications with SONIC operators nationwide at more than 3,500 units.

Geresi has served SONIC in many other roles including field services consultant; regional vice president - field services; and vice president - operations for SRI.

Prior to joining SONIC, Geresi worked as the founder and president of NYB Enterprises for 14 years.

Geresi is a graduate of Binghamton University in Binghamton, N.Y., where he received a bachelor's degree of arts in economics.

A native of Brooklyn, N.Y., Geresi currently lives in Stillwater, Okla., with his wife, Connie, and their four children.

Craig Miller is senior vice president and chief information officer for SONIC®, America's Drive-In®. In this position, Miller is responsible for implementing the company's technology strategy, including the delivery and oversight of all information systems and services, development, data management, operations and support.

Miller joined SONIC in 2010 from Movie Gallery, where he served on the transition team as executive vice president and chief information officer responsible for developing and implementing the global technology strategy. Prior to Movie Gallery, Miller was senior vice president of information strategy at Bank of America, responsible for implementing innovative business analytics, supporting all corporate and retail functions. Prior to Bank of America, Miller was director of technology services at Pepsi where he led the development of a global technology strategy, managed integration for franchise acquisitions, and implemented shared services, supporting all corporate divisions. Earlier in his career, Miller started a software development firm specializing in emerging technologies and large-scale systems development for Fortune-500 companies.

Miller holds a master's degree in systems engineering from Polytechnic University and is a graduate of SUNY Stony Brook with a bachelor's degree in computer engineering.

Miller is relocating to Oklahoma City and has a wife, two daughters and a son.

Diane Prem is senior vice president - New Market Services for SONIC®, America's Drive-In®. She is responsible for supporting franchisees in SONIC's new markets. Prem integrates services in regards to on boarding, development, marketing, communications, training and operations.

Prem began her career with Sonic in March 1996 as director of operations for Sonic Restaurants, Inc. (SRI), SONIC's division of company-owned drive-ins. She has also served as regional vice president - Field Services for SONIC's Central Region and vice president of operations services. Most recently, she served as vice president - New Franchisee Services.

Prem previously worked for Hardee's Food Systems where she held various operations positions with company and franchise responsibilities.

She holds a bachelor's degree from the University of Cincinnati.

Originally from Cincinnati, Ohio, Prem calls Edmond, Okla., home. She resides there with her husband, John.

Drew Ritger is senior vice president - business planning and purchasing for Sonic, America's Drive-In. Named to his current position in April, 2009, Ritger is responsible for business and market planning efforts in addition to real estate oversight, the management of area development agreements, franchise sales, franchise finance and procurement.

Ritger joined Sonic in 1996 as vice president - purchasing and distribution, was promoted to vice president - quality assurance in 2001 and added franchise development to his responsibilities in April 2002. He was most recently promoted to senior vice president, development in 2004.

Prior to joining Sonic, Ritger held leadership positions with Fast Food Merchandisers, Inc., HJ Heinz and Ralston Purina.

A past member of the National Association of Purchasing Managers, Ritger served on its regional board of directors. He also served as a board member for the Oregon Grain & Food Association, the Council of Logistics Management and the MS Society of Oklahoma. He is a graduate of Leadership Oklahoma and is a member of that organization's alumni association.

Ritger holds a Bachelor of Science degree in Agricultural Economics from Oklahoma State University. A native of El Dorado, Ark., Ritger lives in Edmond, Okla., with his wife, Elizabeth, and three children.

A native of Oklahoma City, Nancy's 29-year career has encompassed both the for-profit and non-profit sectors of business.

Robertson serves as senior vice president of communications for Sonic Industries, the Oklahoma City-based national headquarters of Sonic, America's Drive-In. In her role, she oversees all internal and external communications for the brand.

In providing oversight to Sonic's Corporate Communications function, Robertson is responsible for all public, community (including corporate philanthropy), media, as well as all internal and external communications and crisis management. As chair of Sonic's crisis management team, she has guided the company's crisis preparedness by taking a proactive and strategic approach to protecting Sonic's customers, employees, stockholders and the brand.

She previously served as senior vice president - franchise HR development, where she oversaw the human resource development for the chain's franchise community and senior vice president-people and communications for Sonic Corp. In that role, Robertson was responsible for Sonic's human resources/corporate administration functions for the Oklahoma City corporate office and all field-based employees.

Robertson serves on Board of Directors for Oklahoma Policy, Inc., #83 Foundation and on the Crown Heights Edgemere Heights Neighborhood Association. She previously served as gubernatorial appointee on Task Force for State Employee Compensation; on Board of Visitors for the Weitzenhoffer Family College of Fine Arts at the University of Oklahoma and on the steering committee for Project KIDS, the program that led to MAPS for KIDS, a citywide tax initiative to reinvest in public education. She is an active tutor at Wilson Arts Integration School (located in Oklahoma City) having tutored students there for 12 years and was a member of Class XIV of Leadership Oklahoma.

Prior to joining Sonic more than 14 years ago, Robertson worked for five years at the Oklahoma Arts Institute, the non-profit organization that produces the nationally recognized Oklahoma Summer Arts Institute and the Oklahoma Fall Arts Institutes at Quartz Mountain.

Her career began as a reporter and senior news producer at the CBS affiliate in Oklahoma City. Following her work as a reporter/producer, Robertson was recruited into the corporate sector as a public relations professional for both Southwestern Bell Telephone and Cellular One/AT&T Wireless.

Robertson holds a Bachelor of Arts degree in Journalism from Oklahoma State University with a minor in Art History, and a Masters in Business Administration from Oklahoma City University, a private Methodist school. In late 2007, Nancy received the Distinguished Alumna Award from Oklahoma City University.

Eddie Saroch is senior vice president of franchise operations - developing markets. In his current role, Saroch oversees an increased effort in the delivery of integrated services to franchisees.

Saroch was previously president of Sonic Restaurants, Inc. (SRI), Sonic Corp.'s division of company-owned drive-ins. In this role, Saroch oversaw all aspects of SRI operations including field marketing, operations support and field human resources for SRI drive-ins.

Saroch has served Sonic in various capacities including: director - operations for Sonic Restaurants, Inc. (SRI), regional vice president for SRI,, vice president - SRI, regional vice president - Sonic Industries, Sonic Corp.'s franchising subsidiary, vice president - field services for Sonic Industries and senior vice president - field services for Sonic Industries. Saroch was promoted to his current position in May 2008.

For more than 16 years, Saroch managed multiple programs at Hardee's Food Systems prior to joining Sonic.

He earned his bachelor's degree in business economics from the University of Missouri at Rolla, Mo. Saroch is a member of Leadership Oklahoma City, Class XXV.

A native of Rolla, Mo., Saroch currently lives in Edmond, Okla., with his wife, Karla.

Paige S. Bass is vice president and general counsel of Sonic Corp., the parent company of Sonic Drive-In, a position she assumed in 2007. Bass leads Sonic's internal legal department and is responsible for all legal services for Sonic Corp. and its subsidiaries. She joined Sonic as associate general counsel in 2004.

Before joining Sonic, Bass was an associate with Crowe & Dunlevy, one of the largest law firms in Oklahoma. She is involved with several community organizations, serving as a board member and volunteer for Oklahoma Lawyers for Children, a volunteer for the Oklahoma Foundation for Excellence and a past board member for the Oklahoma Arts Institute. In 2010, Bass was elected to serve as a member of the board of directors of the Oklahoma County Bar Foundation and was elected to The Fellows of the American Bar Foundation.

Bass has a Bachelor of Science degree in mechanical engineering from Oklahoma State University. She also graduated, with highest honors, from the University of Oklahoma College of Law, where she served as editor-in-chief of the Oklahoma Law Review, was elected to the Order of the Coif and received numerous awards, including the Nathan Scarritt Prize.

A native of Clinton, Oklahoma, Bass resides in Oklahoma City with her husband, Mike, and their two children.

Carolyn Cummins is Vice President of Compliance and Corporate Secretary for Sonic Corp., the Oklahoma City-based headquarters of Sonic, America's Drive-In. She manages all facets of corporate governance and ensures legal compliance with the rules and regulations of the Securities and Exchange Commission. She manages the process pertaining to the annual stockholder meeting and advises the board and board committees regarding procedures and laws to be followed in connection with their meetings and decision-making.

Prior to joining Sonic in 1999, Cummins was a partner at the Andrews Davis Law Firm in Oklahoma City. She earned a Juris Doctor degree and a Bachelor of Science degree in mathematics, both from the University of Oklahoma.

Cummins was a member of the Professional Responsibility Tribunal of the Oklahoma Bar Association from 1995-2001. She also served as a board member of the Oklahoma City National Memorial from 2002-2008.

Cummins resides in Norman, Okla., with her husband, Jeff.

Claudia San Pedro serves as vice president of investor relations and brand strategy. Previously San Pedro was vice president of investor relations and treasurer. Her main responsibilities are to direct financial planning, procurement and investment of funds for the organization and formulate investor relations strategy and oversee communications with the investment community.

Prior to joining SONIC, she served as the director for the Oklahoma Office of State Finance. Appointed by Governor Brad Henry in 2005, San Pedro was the first female and first Hispanic to service as Director of State Finance for Oklahoma.

Before joining OOSF and the Henry administration, San Pedro served as the assistant director of the Oklahoma State Senate fiscal staff and a staff budget analyst for the senate appropriations subcommittees on education, human services and general government.

San Pedro is currently a volunteer board member of the Oklahoma Academy, a non-partisan research organization based in Oklahoma City and chair of Advisory Board for the Women's Foundation of Oklahoma. She is a former board member of the Latino Community Development Association.

San Pedro holds an undergraduate degree from Smith College in Massachusetts and a master's degree in business administration from the University of Oklahoma. Born in Mexico City, San Pedro has lived in Oklahoma for the past 30 years.

She now resides in Oklahoma City with her family.

Danielle Vona is vice president and chief marketing officer for SONIC, America's Drive-In. Named to her position in June 2010, Vona is responsible for developing and implementing all marketing strategy for the SONIC brand.

Vona brings more than 13 years experience in the beverage sector, including an 11-year stint with PepsiCo North America. While at Pepsi, she served as vice president, Propel Brand Marketing where she was responsible for all aspects of marketing the brand, including: new product formulations, flavors, packages, innovation, brand position and marketing communications.

Additional roles at Pepsi included work on the flavored soft drink portfolio where, among others, she managed the Sierra Mist brand as well as launching new and innovative brands. Vona also worked on Pepsi's juice and dairy portfolio, packaging innovation and customer marketing. Prior to joining PepsiCo, Vona served as national group account supervisor for TracyLocke, PepsiCo's promotion agency of record, where she worked on marketing initiatives for a variety of Pepsi customers in a variety of channels.

Vona holds a Bachelor of Arts degree from Hofstra University, in Hempstead, N.Y. She and her husband, Jeff, are relocating to Oklahoma City from Stamford, Conn. with their three children.

Sharon Strickland is vice president of people for Sonic Industries Services, Inc., a position she assumed in 2008. Strickland is responsible for leading SONIC's human resources function which includes organizational planning, organizational development, recruitment, training and development, employee relations, compensation, benefits, health and welfare and employee services.

Strickland joined SONIC in 2005 as senior director of potential.

Strickland has been in the human resources profession since 1995 holding positions with Oklahoma Publishing Company and Kerr-McGee Corporation prior to joining SONIC.

Strickland is a member of the Society of Human Resources Management, Oklahoma State Board of Accountancy and American Institute of Certified Public Accountants. She was also a member of Leadership Oklahoma Class XXII. In addition, Strickland holds Certified Public Accountant and Senior Professional of Human Resources certifications. Strickland earned her bachelor's degree of science in accounting at Oklahoma State University.

A native of Oklahoma, Strickland currently lives in Nichols Hills, Okla.