Final 2017 Drill Results At The Yerington Copper Project

VANCOUVER, BC - Quaterra Resources Inc. and its subsidiary Singatse Peak Services LLC (SPS) announced results from the last three holes of a 13-hole, 26,056-foot drill program at its Yerington Copper Project. Drilling, which began in March 2017, tested targets across the Company’s 51-square-mile land package located in the historic Yerington Copper District of Nevada.

The three holes reported today (YM-043-17, YM-044-17 and YM-045-17) tested the depth extension of mineralization in and around the historic Yerington pit. (Hole YM-043-17, drilled at – 55 degrees, intersected 1,269.5 feet averaging 0.15% copper. Hole YM-045-17, also drilled at – 55 degrees, collared in the pit about 900 feet further east, intersected several thinner intervals with grades ranging to 0.55% copper, including a shallow oxide zone. Hole YM-044-17, drilled on the northwest rim of the Yerington pit at – 50 degrees, intersected several narrow zones of mineralization averaging less than 0.2% copper.

These results, in combination with previously announced holes YM-041A-17 and YM-042-17, have extended sulfide mineralization from 600 to 800 feet below the currently defined resource across a strike length of 4,400 feet. The absence of higher grade mineralization in these widely spaced holes decreases the likelihood that better grades over appreciable widths exist at greater depth below the pit.

Mineralization, primarily chalcopyrite, is hosted in a quartz monzonite-quartz monzonite porphyry complex and occurs as sheeted veins and vein swarms that are steeply dipping and strike northwesterly parallel to the long axis of the pit. Copper grades are directly related to vein intensity and spacing, which vary markedly over short distances.

Quaterra’s Yerington Copper Project is located in the historic Yerington Copper District, about 70 miles southeast of Reno, Nevada. It consists of the Yerington pit sulfide and oxide deposit previously mined by Anaconda; the MacArthur oxide and sulfide deposit; the Bear porphyry copper deposit; and several untested exploration targets. Quaterra’s 51-square-mile land package is situated in a mining-friendly jurisdiction with a history of copper production and good infrastructure. It also owns valuable water rights in the district. Quaterra has been active in the Yerington District since 2006, and has released NI 43-101-compliant oxide and sulfide resources at both MacArthur and Yerington, and a preliminary economic assessment at MacArthur.