May 28 (Reuters) - Tristar Gold Inc TSG.V :
* ROYAL GOLD BECOMES STAKEHOLDER IN TRISTAR'S CASTELO DE SONHOS GOLD PROJECT
* TRISTAR GOLD INC - ENTERED AGREEMENT WITH ROYAL GOLD FOR A TOTAL INVESTMENT BY ROYAL GOLD OR ITS AFFILIATE OF US$ 8.0 MILLION
* TRISTAR GOLD INC - TRISTAR WILL SELL AND GRANT TO ROYAL GOLD A NEWLY CREATED 1.5% NSR ROYALTY ON CDS PROPERTY