99¢ Only Stores® to Report Third Quarter Fiscal 2011 Financial Results on Wednesday, February 2, 2011

99¢ Only Stores® (NYSE: NDN) announced today it will release financial results for the third quarter ended December 25, 2010, shortly after the market closes on Wednesday, February 2, 2011, followed by an investor conference call the same day at 1:30 p.m. Pacific time (4:30 p.m. Eastern time).

The live call can be accessed by dialing [phone] from the U.S.A. and [phone] from international locations. Please phone in approximately 9 minutes before the call is scheduled to begin and hold for an InterCall operator to assist you. Please inform the operator that you are calling in for 99¢ Only Stores’ Third Quarter Fiscal 2011 Earnings Release conference call, and be prepared to provide the operator with your name, company name, and position if requested. A telephone replay will be available approximately two hours after the call concludes and will be available through Wednesday, February 16, 2011, by dialing [phone] from the U.S.A., or [phone] from international locations, and entering confirmation code 39652594.

A copy of the earnings release and any other financial and statistical information about the period to be presented in the conference call will be available prior to the call at the section of the Company’s website entitled “Investor Relations” at www.99only.com.

About 99¢ Only Stores®

Founded over 25 years ago, 99¢ Only Stores® operates 281 extreme value retail stores with 208 in California, 34 in Texas, 27 in Arizona and 12 in Nevada. 99¢ Only Stores® emphasizes quality name-brand consumables, priced at an excellent value, in convenient, attractively merchandised stores. Over half of the Company’s sales come from food and beverages, including produce, dairy, deli and frozen foods, along with organic and gourmet foods.