May 23 (Reuters) - McEwen Mining Inc MUX.TO :
* MCEWEN MINING DECLARES COMMERCIAL PRODUCTION AT THE GOLD BAR MINE
* MCEWEN MINING INC - COMMERCIAL PRODUCTION HAS BEEN ACHIEVED TODAY AT GOLD BAR MINE, NEVADA, USA
* MCEWEN MINING INC - 2019 PRODUCTION GUIDANCE IS 50,000 GOLD OUNCES AT AN AISC OF $975 PER OZ