Qualstar Reports Prelim Results

SIMI VALLEY, Calif. -- Qualstar Corporation (Nasdaq:QBAK), a manufacturer of automated tape storage solutions and high-efficiency power supplies, today announced that preliminary revenues for the second quarter of fiscal 2008 ended December 31, 2007 are expected to be in the range of $5.85 to $5.95 million, which is near the high-end of its previously disclosed guidance range of $5.2 to $6.1 million. On a sequential basis, this is an improvement over the net revenues of $5.3 million reported by the Company for the first quarter of fiscal 2008 ended September 30, 2007.

Commenting on the preliminary second quarter results, William Gervais, president and chief executive officer of Qualstar Corporation stated, “The strength of our second quarter preliminary revenues was the result of gains across several tape library technologies. In addition, I continue to be pleased with the performance of our N2Power business, which is well positioned to capitalize on the strong demand for our highly-efficient power supplies resulting from increasing worldwide energy concerns.”

Qualstar Corporation will provide its complete financial results in its second quarter fiscal year 2008 earnings release and conference call. The exact timing and details of the earnings release and conference call will be announced as they are available.

Qualstar Corp.