Dec 21 (Reuters) - SRG Ltd STS.AX :
* Contract award - umbrella agreement with Evolution Mining STS.AX
* Says SRG Limited secures $150 million umbrella agreement with Evolution Mining
* Says new contract win to provide drill and blast operations to mt carlton mine site, commencing January 2016
* Says "terms extended on current sites - mt rawdon, cowal and edna may"
* Source text for Eikon ID:nASX2pbfRs