UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(RULE 14a-101)

SCHEDULE 14A INFORMATION

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

Filed by the Registrant  x
Filed 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
x	Definitive Additional Materials
o	Soliciting Material Under Rule 14a-12
	CA, Inc.
	(Name of Registrant as Specified in Its Charter)
	N/A
	(Name of Person(s) Filing Proxy Statement, if Other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
x	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 the 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 Statement No.:
(3)	Filing Party:
(4)	Date Filed:

September 1, 2006

Dear Fellow Stockholder:

We have previously sent to you proxy material for the important 2006 Annual Meeting of Stockholders of CA, Inc. to be held on September 18, 2006.  Your Board of Directors recommends that stockholders vote FOR Proposals 1 and 2, and AGAINST Proposal 3.

Your vote is important, no matter how many or how few shares you may own.  Whether or not you have already done so, please vote TODAY via telephone, via the Internet, or by signing, dating and returning the enclosed proxy card in the envelope provided.

Very truly yours,

Kenneth V. Handal
Executive Vice President, General Counsel
and Corporate Secretary

REMEMBER:
You can vote your shares by telephone or via the Internet.
Please follow the easy instructions on the enclosed card.

If you have any questions, or need assistance in voting
your shares, please call our proxy solicitor,

INNISFREE M&A INCORPORATED
TOLL-FREE, at 1-877-750-9501.