May 13 (Reuters) - Guyana Goldfields Inc GUY.TO :
* GUYANA GOLDFIELDS REJECTS UNSOLICITED GRAN COLOMBIA ACQUISITION PROPOSAL AND REAFFIRMS COMMITMENT TO TRANSACTION WITH SILVERCORP METALS
* GUYANA GOLDFIELDS - BOARD HAS UNANIMOUSLY DETERMINED TO REJECT UNSOLICITED PROPOSAL ANNOUNCED BY GRAN COLOMBIA GOLD CORP
* BOARD REAFFIRMS ITS UNANIMOUS SUPPORT FOR TRANSACTION PREVIOUSLY ENTERED INTO WITH SILVERCORP METALS INC
* BOARD HAS DETERMINED THAT GRAN COLOMBIA PROPOSAL IS NOT IN BEST INTERESTS OF COMPANY