Independent Limited Assurance Independent Limited Assurance Report on Certain Aspects of the Sustainability Report To HeidelbergCement Aktiengesellschaft Berliner Straße 6 69120 Heidelberg, Germany Introduction We have reviewed certain aspects of the HeidelbergCement Aktiengesellschaft Sustainability Report for 1 January to 31 December 2009/ 1 January to 31 December 2010 (the “Report”), and of parts of the underlying management systems.