Dec 4 (Reuters) - McEwen Mining Inc MUX.TO :
* SAYS ON NOV 30, UNIT EXECUTED A LINE OF CREDIT AGREEMENT WITH BANCO NACIONAL DE COMERCIO EXTERIOR, S.N.C. - SEC FILING
* SAYS THE LINE OF CREDIT ALLOWS CO'S UNIT TO BORROW UP TO 120 MILLION MEXICAN PESOS
* SAYS BORROWING UNDER LINE OF CREDIT WILL BE AVAILABLE FOR ONE YEAR FROM NOV 30
* SAYS UNIT IS PERMITTED TO USE PROCEEDS FROM LINE OF CREDIT TO FINANCE UP TO 90% OF THE VAT REFUNDS RELATED TO COST OF ITS EL GALLO 1 MINING PROJECT