March 20 (Reuters) - First Quantum Minerals Ltd FM.TO :
* FIRST QUANTUM MINERALS RESPONDS TO NEWS ARTICLE ABOUT CLAIMS MADE BY ZAMBIA REVENUE AUTHORITY REGARDING UNDERPAYMENT OF CUSTOMS DUTIES
* CONFIRMS THAT IT IS IN POSSESSION OF A LETTER FROM ZRA, DATED MARCH 19, 2018
* LETTER FROM ZRA NOTES ASSESSMENT FOR IMPORT DUTIES, PENALTIES AND INTEREST ON CONSUMABLES AND SPARE PARTS OF 76.5 BILLION ZAMBIAN KWACHA
* CO "REFUTES" ZAMBIA REVENUE AUTHORITY'S ASSESSMENT