 TORONTO, Sept. 02, 2021 GLOBE NEWSWIRE -- Kirkland Lake Gold Ltd. Kirkland Lake Gold or the Company TSX:KL NYSE:KL ASX:KLA today announced the release of new Mineral Resource estimates for the Detour Lake Mine Detour Lake as at June 30, 2021 Mid-Year 2021. Included in the Mid-Year 2021 Mineral Resource estimates are total Measured and Indicated MI Mineral Resources, exclusive of Mineral Reserves, of 14,718,000 ounces 572.0 million tonnes MT at an average grade of 0.80 grams per tonne gt, an increase of 10,061,000 ounces or 216 from the previous estimate of 4,657,000 ounces 131.2MT at an average grade of 1.10 gt as at December 31, 2020 See 2020 Technical Report filed on SEDAR as well as Inferred Mineral Resources totalling 1,1155,000 ounces 48.3MT at an average grade of 0.81 gt. The Mid-Year 2021 Mineral Resource estimates were prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects, issued by the Canadian Securities Administrators NI 43-101. The new Mineral Resource estimates are being released as a result of a material increase in MI Mineral Resources that was identified as part of the Companys mid-year internal Mineral Resource progress update. The Company plans to release a new NI 43-101 Report to support the Mid-Year 2021 Mineral Resources for the Detour Lake Mine, to be filed within the next 45 days. 