Owner SDC Holdings Pty Ltd ACN/ARBN 117 601 653

Service Baker & Mckenzie

Filing Date 22 May 2008

Class 37 Drilling, excavating, grouting, installation of casing and sealing services, including contract drilling for water, oil, gas and mineral exploration; marine geotechnical drilling; hard rock drilling; drilling services in the nature of economical raise drill pilot holes, drilling of ventilation and escape ways, target drilling (stopes) and drilling services in the nature of paste fill holes; advisory services relating to excavating and drilling; rental of earth-moving and excavating machines, including stable jack up drilling rigs or self elevating platforms for contraction; rental of gang hammer systems; high pressure grouting

Class 40 Custom manufacturing of special purpose drilling rigs

Class 42 Design of special purpose drilling rigs, casing design; drilling services in relation to geological prospecting; engineering services in this class, including well drilling tool orientation services for monitoring, indicating or displaying the direction in which a well is being drilled and its deviation from vertical, and engineering services in the nature of well bore surveying services and wire line services for lowering instruments and tools on a wire line into a well