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): April 10, 2006 ULTRALIFE BATTERIES, INC. ------------------------- (Exact name of registrant as specified in its charter) Delaware -------- (State or other jurisdiction of incorporation or organization) 0-20852 16-1387013 ------- ---------- (Commission File Number) (I.R.S. Employer Identification No.) 2000 Technology Parkway, Newark, New York 14513 ----------------------------------------------- (Address of principal executive offices) (Zip Code) (315) 332-7100 -------------- (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 1 Item 2.02. Results of Operations and Financial Condition. Ultralife Batteries, Inc. (the "Company") announced that it anticipates reporting revenue between $18.0 million and $18.5 million for the first quarter primarily reflecting lower-than- anticipated orders from the U.S. Department of Defense. Management currently expects to report positive operating income, consistent with its $18 million quarterly revenue breakeven business model, excluding stock-based compensation expenses. For 2006, management continues to expect revenue of at least $90 million. The Company's press release is attached as Exhibit 99.1 to this Form 8-K, and the information set forth therein is furnished under Item 2.02. Item 9.01. Financial Statements, Pro Forma Financials and Exhibits. (a) Financial Statements of Business Acquired. Not applicable. (b) Pro Forma Financial Information. Not applicable. (c) Exhibits. 99.1 Press Release dated April 10, 2006. SIGNATURE 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. ULTRALIFE BATTERIES, INC. Dated: April 10, 2006. By: /s/ Robert W. Fishback ---------------------- Vice President of Finance & CFO 2 INDEX TO EXHIBITS (99) Additional Exhibits 99.1 Press Release dated April 10, 2006. 3