Rasperia Trading Ltd., a part of Basic Element diversified industrial group, exercised the call option for 17% stake in STRABAG SE, Central and Eastern Europe's construction market leader, on 30 November 2010. With the 17% stake Rasperia remains a full-fledged member of the syndicate on the basis of the existing shareholder agreement with Haselsteiner Group and Raiffeisen/UNIQA Group.