SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934

Filed by the Registrant ý
File by a Party other than the Registrant o
Check the appropriate box:
o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o	Definitive Proxy Statement
ý	Definitive Additional Materials
o	Soliciting Material Pursuant to §240.14a-12

Cubic Corporation
(Name of Registrant as Specified In Its Charter)
Payment of filing fee (Check the appropriate box):
ý	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
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January 7, 2004

Re: ERRATA Notice of Annual Meeting and Proxy Statement

To: Shareholders of Record on December 29, 2003

Please note that the Annual Meeting of Shareholders will be held on February 10, 2004 (not 2003).

Thank you.

William L. Hoese
Secretary