ASTRON LIMITED — Capital/Financing Update 2008

Feb 5, 2008

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ASX ANNOUNCEMENT

5 February 2008

Companies Announcement Platform Australian Stock Exchange Level 6, 20 Bridge Street Sydney NSW 2000

Re Sale of Astron Limited downstream Zirconia Materials Business

Dear Sir

The Directors are pleased to confirm that settlement of the sale of the four Chinese subsidiary companies to Imerys was completed today.

Total gross proceeds in connection with the sale of A$196.4 million have been received by the Company and placed on deposit.

Under the contract with Imerys the purchase price is subject to adjustment depending on the cash, debt and working capital in the sold companies on settlement. Any such adjustment will be made in due course following a review of the settlement accounts for those companies.

All enquires in relation to this matter should be directed to Ann Nahajski (Office: +61 (0)8 9386 1233 or Mobile: +61 (0)400 205 433) of the company’s public relations consultant, Porter Novelli.

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Registered Office: Level 19, 2 Market Street, Sydney NSW 2000, Australia Tel: 61 2 9984 1379 Fax: 61 2 9984 0279 www.astronchem.com