<PAGE>
Prospectus Supplement to Prospectus dated September
27, 2000, File No. 333-45406 Filed Pursuant to Rule
424(b)(3)
ILLINOIS SUPERCONDUCTOR CORPORATION
SUPPLEMENT
TO
PROSPECTUS DATED SEPTEMBER 27, 2000
This is a Supplement to Illinois Superconductor Corporation's
Prospectus, dated September 27, 2000 (the "Prospectus"), with respect to the
offer and sale of up to 3,440,526 shares of Common Stock, including preferred
stock purchase rights, of Illinois Superconductor Corporation. This
Supplement amends and supplements certain information contained in the
Prospectus. We encourage you to read this Supplement carefully.
_____________
NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSIONER HAS APPROVED OR DISAPPROVED OF THE SHARES OF ILLINOIS
SUPERCONDUCTOR CORPORATION COMMON STOCK TO BE ISSUED UNDER THIS SUPPLEMENT
AND THE PROSPECTUS OR DETERMINED IF THIS SUPPLEMENT OR THE PROSPECTUS IS
TRUTHFUL OR COMPLETE. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL
OFFENSE.
_____________
THE DATE OF THIS SUPPLEMENT IS NOVEMBER 2, 2000.
CURRENT REPORTS ON FORM 8-K
1. On November 2, 2000 the Company filed with the Securities and
Exchange Commission a Current Report on Form 8-K, announcing that the Company
has entered into an agreement to acquire Lockheed Martin Canada's Adaptive
Notch Filtering ("ANF") Business Unit.
A copy of the Company's Current Report on Form 8-K filed on November 2,
2000 is being provided to you along with this supplement.
Information about documents that have been incorporated by reference into the
Prospectus is included in the section of the Prospectus captioned "Where You
Can Find More Information."
