Subsidiaries, Associates and Other Significant
Participating Interests of the HOCHTIEF Group
at December 31, 2006

	Percentage stock held	Shareholders' equity Local currency (thousand)	EUR thousand	Profit/(loss) for the year (EUR thousand)
I. Affiliates included in the Consolidated Financial Statements
Airport division
HOCHTIEF AirPort GmbH, Essen	100		135.000	-¹
Airport Partners GmbH, Düsseldorf	40²		136.262	4.748
HAP Hamburg Airport Partners GmbH & Co. KG, Hamburg	71²		396.090	19.175
Sydney Airport Intervest GmbH, Essen	51²		120.245	16.900
HOCHTIEF AirPort Capital Verwaltungs GmbH & Co. KG, Essen	100²		605	633
Development division
Deutsche Bau- und Siedlungs-Gesellschaft mbH, Essen	100		17.490	-¹
HOCHTIEF Projektentwicklung GmbH, Essen	100		7.670	-¹
HOCHTIEF Facility Management GmbH, Essen	100		6.071	-¹
HOCHTIEF PPP Solutions GmbH, Essen	100		15.127	-¹
HOCHTIEF PPP Solutions Chile Limitada, Santiago de Chile/Chile	100²	CLP 15.139.429	21.498	-285
HOCHTIEF PPP SOLUTIONS (UK) Limited, Swindon, UK	100²	GBP 6.725	10.015	17.410
Construction Services Americas division
HOCHTIEF Americas GmbH, Essen	100		544.034	-¹
The Turner Corporation, Dallas/USA	100²	USD 405.809	308.131	41.6993)
HOCHTIEF do Brasil S. A., São Paulo/Brazil	91,5²	BRL 34.389	12.222	1.831
Construction Services Asia Pacific division
HOCHTIEF Asia Pacific GmbH, Essen	100		805.242	-¹
Leighton Holdings Limited, Sydney/Australia	55²	AUD 1.138.642	682.195	203.4463)
Construction Services Europe division
HOCHTIEF Construction AG, Essen	100		203.665	-¹
STREIF Baulogistik GmbH, Essen	100²		31.659	-¹
DURST-BAU GmbH, Vienna, Austria	100²		1.070	-2.482
HOCHTIEF (UK) CONSTRUCTION Ltd., Swindon, UK	100²	GBP 7.187	10.703	2.892
HOCHTIEF Polska Sp. z o.o., Warsaw/Polen	99	PLN 87.679	22.887	3.035
HOCHTIEF CZ a.s., Prague/Czech Republic	100	CZK 878.009	31.942	4.221