3 May 2007

Ad hoc - The Board of HeidelbergCement AG (“HeidelbergCement”) notes the recent movements in Hanson’s share price

HeidelbergCement is currently reviewing its options with respect to its interest in Hanson, including the possibility of seeking to acquire the Company.

However, there can be no certainty that an acquisition will result or what the terms of such an acquisition may be.

A further announcement will be made as appropriate in due course.

Ad hoc announcement pursuant to § 15 German Securities Trading Act (WpHG)

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Andreas Schaller

Group Spokesman, Director Group Communication & Investor Relations
+49 6221 481 13249
+49 6221 481 13217
HeidelbergCement AG
Berliner Straße 6
69120 Heidelberg