Dec 17 (Reuters) - Iamgold Corp IMG.TO :
* YORBEAU AND IAMGOLD SIGN DEFINITIVE OPTION AGREEMENT FOR THE ROUYN PROPERTY
* LES RESSOURCES YORBEAU INC - IAMGOLD HAS AN OPTION TO ACQUIRE A 100% INTEREST IN YORBEAU'S ROUYN PROPERTY
* LES RESSOURCES YORBEAU INC - IAMGOLD MUST MAKE AN INITIAL CASH PAYMENT C$1 MILLION, INCUR C$9 MILLION OF EXPLORATION EXPENDITURES, FOR PURCHASE OPTION