The company's Canadian and Australian mines produced 147,644 ounces of gold at all-in sustaining costs of US$833 an ounce in the March quarter.
Net earnings for the period were $53.8 million, up from $13.1 million a year earlier, while adjusted net earnings tripled to $52.6 million.
Quarterly earnings before interest, tax, depreciation and amortisation were a record $105.9 million, just beating the December quarter record of $103.9 million.
Cashflow from operations was $89.6 million, while free cashflow was $50.2 million.
The company's cash balance increased by 19% to $275.3 million.
Kirkland Lake increased its quarterly dividend to C3c per share from 2c per share.
Speaking on a conference call, Kirkland Lake president and CEO Tony Maku...