UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 9, 2003 QUALSTAR CORPORATION (Exact name of registrant as specified in its charter) California 000-30083 95-3927330 (State or other jurisdiction of (Commission File Number) (IRS Employer incorporation) Identification No.) 3990-B Heritage Oak Court, Simi Valley, CA 93063 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (805) 583-7744 Exhibit Index on page 3 1 Item 7. (c) Exhibits. Exhibit Number Description 99.1 Press release of Qualstar Corporation dated October 9, 2003. Item 12. Results of Operations and Financial Condition. On October 9, 2003, Qualstar Corporation issued a press release regarding preliminary results of operations for the fiscal first quarter ended September 30, 2003. A copy of this press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K. In accordance with General Instruction B.6 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. QUALSTAR CORPORATION October 9, 2003 By: /S/ Frederic T. Boyer ----------------------------- Frederic T. Boyer Chief Financial Officer 2 EXHIBIT INDEX Exhibit Number Description 99.1 Press release of Qualstar Corporation dated October 9, 2003. 3