COGSTATE LTD — Report Publication Announcement 2008

Sep 25, 2008

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CogState Ltd ABN 80 090 975 723 Level 7 21 Victoria Street Melbourne VIC 3000 AUSTRALIA Telephone +61 3 9664 1300 Facsimile +61 3 9664 1301 www.cogstate.com

26 September 2008

The Company Announcements Office Australian Securities Exchange Limited

Via E Lodgement

Re: LODGEMENT OF COGSTATE LIMITED (COGSTATE) ANNUAL REPORT – LISTING RULE 4.7.1 NOTICE

Pursuant to Listing Rule 4.7.1 we hereby advise that CogState is not required to provide the Australian Stock Exchange (ASX) with a copy of the CogState Annual Report for the year ended 30 June 2008 in accordance with Listing Rule 4.7 as this Annual Report comprises only the documents already given to the ASX on 19 September 2008 pursuant to Listing Rule 4.5.

Yours faithfully,

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TONY PANTHER Company Secretary