SPOT MARKETS – – COMMODITY PRICE ESTIMATE REVISIONS UP AND DOWN; JULY 6TH SPOT PRICES PLUNGE ON CHINESE WORRIES OF TRADE WAR SETTING BACK CHINA 7/9/2018

ALCOA: HIGHER ALUMINA PRICES AND STRONG COST CONTROLS TO INCREASE EARNINGS; LARGER DEBT PAYDOWNS AND DIVIDENDS LIKELY 6/25/2018

SOUTHERN COPPER: LOWER NEAR TERM COPPER & SILVER PRICES OFFSET BY MICHIQUILLAY PRODUCTION STARTING IN 2023 SOONER THAN 2025 6/21/2018

ANTOFAGASTA PLC: HIGHER LONG TERM MOLYBDENUM AND COPPER PRICES INCREASE EARNINGS FROM AUG. 2017 REPORT; MODELS UPDATED FOR 2018 GUIDANCE 6/16/2018