HOCHTIEF Aktiengesellschaft / Release of an announcement according to Article 21, Section 1 of the WpHG [the German Securities Trading Act] (share) 06.03.2008 Release of a Voting Rights announcement --------------------------------------------------------------------------- On March 5, 2008, we were notified by Fidelity Investment Management Limited, Hildenborough, Kent, England, pursuant to section 21 (1) WpHG that: On 4th February 2008 Fidelity Investment Management Limited exceeded the threshold of 3 % of the voting rights in HOCHTIEF Aktiengesellschaft, Opernplatz 2, 45128 Essen, Germany. On that date, Fidelity Investment Management Limited held 3,69 % of the voting rights in HOCHTIEF Aktiengesellschaft arising from 2,585,638 voting rights. All voting rights in HOCHTIEF Aktiengesellschaft were attributed to Fidelity Investment Management Limited pursuant to section 22 (1) sent. 1 no. 6 WpHG in connection with sent. 2 WpHG. DGAP 06.03.2008 --------------------------------------------------------------------------- Language: English Issuer: HOCHTIEF Aktiengesellschaft Opernplatz 2 45128 Essen Deutschland Internet: www.hochtief.de End of News DGAP News-Service ---------------------------------------------------------------------------