Dieter Siegfried Adamsas

Dieter Siegfried Adamsas has been a Non-Executive Director of Leighton Holdings Ltd.
since July 1, 2007.
Previously, he served as an Executive Director of Leighton Holdings from 1988 to June 30, 2007.
Mr. Adamsas served as Deputy Chief Executive Officer of the Leighton Group from June 2001 to June 30, 2007.
He joined Leighton Holdings in 1971 and held various senior accounting and commercial positions within the Leighton Group.
From 1985 to 1988, Mr. Adamsas was an Associate Director of Leighton Holdings.
He was Chairman of Leighton Contractors Pty Ltd.
Mr. Adamsas was a Director of the Committee for Economic Development of Australia.
He is Vice President of the Financial Executives International of Australia and a Fellow of the Australian Institute of Company Directors.