(2) Vancouver, British Columbia--(Newsfile Corp. - May 7, 2021) - Quaterra Resources Inc. (OTCQB: QTRRF) (TSXV: QTA) ("Quaterra" or the "Company") today announced that a 7,000 -10,000-foot core drilling program began on May 4th at its MacArthur copper oxide project in the Yerington District, Nevada. Costs associated with the program will be internally funded through utilization of funds on hand and funds derived through the exercise of Warrants prior to their maturity date. The drill program, with an estimated time frame of 2-3 months, is designed to accomplish three objectives: Test the area east of the current resource for additional oxide mineralization