SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _ _ _ _ _ _ _ _ _ _ _ _ FORM 6-K REPORT of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of: December 2002 Filtronic plc (Exact name of registrant as specified in charter) The Waterfront, Salts Mill Road, Saltaire, Shipley West Yorkshire BD18 3TT, UK (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual Reports under cover of Form 20-F or Form 40-F. Form 20-F _ X _ Form 40-F _ _ _ Indicate by check mark whether the registrant by furnishing the information contained in the Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934 Yes _ _ _ No _ X _ <Page> Filtronic plc The following exhibit is filed as part of this Form 6-K: Notice of Interim Results <Page> 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, thereunto duly authorised. Filtronic plc Date: December 20, 2002 By: /s/ Fiona Pick _ _ _ _ _ _ _ _ _ _ Name: Fiona Pick Title: Solicitor and Assistant Company Secretary FILTRONIC PLC Notice of Interim Results FILTRONIC PLC, a leading designer and manufacturer of customised microwave products, will announce its interim results for the six months ended 30 November 2002 on Monday 27 January 2003 For further information please contact: Paul McManus, Charlotte Barker, Binns & Co. 020 7786 9600 END