May 3 (Reuters) - Perpetua Resources Corp PPTA.TO :
* PERPETUA RESOURCES SIGNS COLLABORATION AGREEMENT WITH U.S. ANTIMONY TO EXPLORE POTENTIAL TO PROCESS ANTIMONY FROM STIBNITE GOLD PROJECT
May 3 (Reuters) - Perpetua Resources Corp PPTA.TO :
* PERPETUA RESOURCES SIGNS COLLABORATION AGREEMENT WITH U.S. ANTIMONY TO EXPLORE POTENTIAL TO PROCESS ANTIMONY FROM STIBNITE GOLD PROJECT