May 7

BILLERICA, Massachusetts, May 7, 2011 - Objet Geometries Ltd.

VANCOUVER, May 7, 2011 - Silver Wheaton Corp.

BRIDGETOWN, Barbados, May 7, 2010 - A new environmental study sharply critical of the Government of Barbados shows the key Graeme Hall mangrove wetland is disappearing due to outside pollution and poor water quality.

NIEUWEGEIN, The Netherlands, May 7, 2010 - Situation in the first quarter of 2010 There was no improvement in the markets for property and infrastructure in the first quarter.

ARNHEM, The Netherlands, May 7, 2010 - - Gross revenues increase 7%, net income from operations rises 10% - Pressure in local markets impacts infrastructure and to a lesser extent water - Environment improves due to increased demand from private sector clients - Buildings stabilizes, aided by order intake from Asia and Middle East - Good order intake leads to increase in backlog in all business lines - Possible return to organic growth in second half of 2010 ARCADIS (EURONEXT: ARCAD), the international design, consulting, engineering and management services company, achieved good results in the first quarter of 2010.