Ad hoc: HeidelbergCement intends to distribute increased dividend payments of 1.25 EUR

Managing Board and Supervisory Board of HeidelbergCement decided today to
propose to the Annual General Meeting, scheduled for 9 May 2007 an increase of
the dividend payments by 0.10 EUR to 1.25 EUR per share.

Heidelberg, 21 March 2007

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