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): June 11, 1998 ULTRALIFE BATTERIES, INC. ------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) DELAWARE 0-20852 16-1387013 - ---------------------------- ----------- ---------------- (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation) File Number) Identification No.) 1350 ROUTE 88 SOUTH, NEWARK, NEW YORK 14513 - ---------------------------------------- ---------- (Address of Principal Executive Offices) (Zip Code) (315) 332-7100 ------------------------------------------------------------- (Registrant's Telephone Number, Including Area Code) NOT APPLICABLE ------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) ITEM 5. OTHER EVENTS. On June 11, 1998, the Company issued a press release reporting that the Company's fourth quarter financial results would not meet the Company's expectations. A copy of the press release is attached to this Form 8-K as Exhibit 99.01. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (a) Financial statements of business acquired: Not applicable. (b) Pro forma financial information: Not applicable. (c) Exhibits: 99.01 Ultralife Batteries, Inc. Press Release dated June 11, 1998. S I G N A T U R E 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. Date: June 11, 1998 By: /s/ Frederick F. Drulard ------------------------------- Frederick F. Drulard Vice President, Finance -2- EXHIBIT INDEX Exhibit Number Description - ------ ----------- 99.01 Ultralife Batteries, Inc. Press Release dated June 11, 1998. -3-