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.
		(1)		Title of each class of securities to which transaction applies:
		(2)		Aggregate number of securities to which transaction applies:
		(3)		Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which filing fee is calculated and state how it was determined):
		(4)		Proposed maximum aggregate value of transaction:
		(5)		Total fee paid:
o		Fee paid previously with preliminary materials.
o		Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11 (a) (2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
		(1)		Amount previously paid:
		(2)		Form, Schedule or Registration No.:
		(3)		Filing Party:
		(4)		Date Filed:

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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

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