In addition to the lowest purchase price guarantee, Old Second cardholders will benefit from Discover Debit’s zero liability protection, identity theft defense, and a cash-over option at participating merchant locations nationwide. Old Second also plans to incorporate its current rewards offering into the new debit program to enable cardholders to earn points that can be redeemed for travel, shopping, entertainment and other perks.About Old Second Bancorp, Inc. Old Second National Bank is a national banking organization headquartered in Aurora, Ill. that provides commercial, treasury management and retail banking services, as well as trust and wealth management services. Old Second has offices located in Cook, Kane, Kendall, DeKalb, DuPage, LaSalle and Will counties. Additional information concerning Old Second can be accessed at www.oldsecond.com. About Discover Discover Financial Services (NYSE: DFS) is a direct banking and payment services company with one of the most recognized brands in U.S. financial services. Since its inception in 1986, the company has become one of the largest card issuers in the United States. The company operates the Discover card, America’s cash rewards pioneer, and offers home loans, private student loans, personal loans, online savings accounts, certificates of deposit and money market accounts through its direct banking business. Its payment businesses consist of Discover Network, with millions of merchant and cash access locations; PULSE, one of the nation’s leading debit/ATM networks; and Diners Club International, a global payments network with acceptance in more than 185 countries and territories. For more information, visit www.discoverfinancial.com.