SIMI VALLEY, Calif.--(BUSINESS WIRE)--April 28, 2005--Qualstar(R) Corporation (Nasdaq:QBAK), a manufacturer of automated tape storage solutions, will announce financial results for the third quarter of fiscal 2005 after the market closes on Thursday, May 5, 2005.

Following the press release, Qualstar will host a conference call with a simultaneous Webcast at 5:00 p.m. Eastern (2:00 p.m. Pacific) to discuss the Company's third quarter operating performance. The conference call, featuring President and Chief Executive Officer, William Gervais, and Chief Financial Officer, Frederic T. Boyer, will be available live via the Internet in the "Investors" section of Qualstar's Website at www.qualstar.com, or by dialing into the teleconference at 800-257-6607 (303-262-2140 for international callers). Please go to the Website at least fifteen minutes early to register, download and install any necessary audio software. For those who cannot listen to the live broadcast, the Webcast replay will be available on Qualstar's Web site for 30 days. An audio replay will also be available through May 12, 2005 by calling 800-405-2236 (303-590-3000 for international callers) and entering the passcode 11029018.

About Qualstar Corporation

Qualstar is a manufacturer of automated tape libraries used for backup, archival storage, data protection and disaster recovery. Its products are known throughout the world for their rugged, Simply Reliable design, yielding years of trouble-free operation. Qualstar tape libraries are sold, installed and supported worldwide by selected Value Added Resellers, Systems Integrators, Original Equipment Manufacturers and Distributors. Qualstar also designs, manufactures and sells ultra small, high efficiency open-frame switching power supplies under the "N2Power" brand name to OEMs. Qualstar Corporation is publicly traded on the Nasdaq National Market under the symbol QBAK. More information is available at www.qualstar.com or by phone at 805-583-7744.

CONTACT:
ualstar Corporation
Frederic T. Boyer, 805-583-7744
fboyer@qualstar.com
or
Financial Relations Board
Amy Cozamanis, Investor/Analyst Information, 310-854-8314
acozamanis@financialrelationsboard.com
Laurie Berman, General Information, 310-854-8315
lberman@financialrelationsboard.com

SOURCE:
Qualstar Corporation