May 17 (Reuters) - Six Sigma Metals Ltd SI6.AX :
* SIX ENTERED AGREEMENT IN WHICH IT CAN ACQUIRE UP TO 80 PERCENT STAKE IN CHUATSA VANADIUM-TITANIUM AND SHAMVA LITHIUM PROJECTS IN ZIMBABWE
* OPTION AGREEMENT EXECUTED TO ACQUIRE UP TO 80% STAKE IN SAID PROJECT FROM VENDORS OF MIRRORPLEX PTY LTD