• Drilling in central portion of Saddle Zone intersects broad zone of high-grade mineralization, confirms continuity of mineralized structure between Main and West pits
  º Key intercepts: 1.10 grams per tonne over 142.0 meters including 9.39 gpt over 2.0 m, 2.15 gpt over 16.0 m, 1.23 gpt over 12.0 m
• Drilling in west portion of Saddle Zone intersects mineralization up to 420 m below West Pit reserve shell
  º Key intercepts: 1.80 gpt over 58.5 m, including 5.76 gpt over 2.8 m and 19.29 gpt over 2.0 m; 2.02 gpt over 38.1 m; 2.39 gpt over 29.0 m, including 11.57 gpt over 2.8 m and 10.01 gpt over 2.0 m; 1.47 gpt over 39 m; 1.40 gpt over 26.6 m, including 8.04 gpt over 2.0 m; 1.39 gpt over 25.5 m, including 8.74 gpt over 2.0 m; 1.51 gpt over 18.7 m, including 8.87 gpt over 2.0 m 
• Drilling in eastern portion of Saddle Zone intersects mineralization up to 420 m below Main Pit reserve shell
  º Key intercepts: 1.42 gpt over 78.0 m, including 8.54 gpt over 3.0 m and 5.25 gpt over 6.0 m; 1.38 gpt over 73.0 m, including 6.89 gpt over 3.0 m; 1.08 gpt over 51.0 m, including 5.96 gpt over 3.0 m; 1.21 gpt over 43.0 m; 0.90 gpt over 51.0 m; and 8.68 gpt over 2.0 m.

1. True widths are unknown at this time and intervals are reported using core lengths intersected in the holes.

Kirkland Lake Gold Ltd. (TSX:KL) (NYSE:KL) (ASX:KLA) announced results from 8 holes (9,171 m) and one wedge hole (1,143 m) of drilling at the Detour Lake property. The new holes being reported are the second batch of results from the recently announced 250,000 m exploration program. The Company is targeting completion of the program by the end of 2021 in order to collect information for updated, and potentially expanded, Mineral Resource and Mineral Reserve estimates. The new holes announced today are all from drilling in the Saddle Zone, located in an area between the Main Pit and West Pit locations that is underexplored, has no Mineral Reserves and only limited Mineral Resources.

Tony Makuch, President and CEO of Kirkland Lake Gold, commented: “Today’s results are extremely encouraging and support our view that there is a much larger deposit around the Main Pit and West Pit locations than is currently included in Mineral Reserves. In fact, based on results and observations to date, there is increasing evidence that there is a broad and continuous corridor of mineralization extending between the two pit locations to a depth of up to 820 m below surface. Upon completing the acquisition of Detour Gold Corporation at the end of January, we immediately focused in on the Saddle Zone as a high-potential target where there had been very limited previous drilling. Results from drilling in the Saddle Zone have included numerous intersections containing attractive grades over substantial widths, which highlight the potential for significant growth in open-pit Mineral Resources and also are supportive of a potential underground mining concept, which could add higher-grade mill feed to our production profile.”

West Portion of Saddle Zone 

Drilling in the west portion of the Saddle Zone included four holes (4,169 m) and one wedge hole (1,143 m) which targeted the Detour Mine Trend directly east of the West pit between 400 and 600 m below surface. 

Significant results from the drilling include: 1.17 gpt over 17.0 m and 1.80 gpt over 58.5 m, including 5.76 gpt over 2.8 m and 19.29 gpt over 2.0 m, from DLM-20-015; 2.39 gpt over 29.0 m, including 11.57 gpt over 2.8 m and 10.01 gpt over 2.0 m, 1.47 gpt over 39.0 m, 1.43 gpt over 17.6 m, and 1.39 gpt over 25.5 m, including 8.74 gpt over 2.0 m, from hole DLM-20-010; 1.51 gpt over 18.7 m, including 8.87 gpt over 2.0 m, 1.40 gpt over 26.6 m, including 8.04 gpt over 2.0 m and 2.02 gpt over 10.0 m, including 6.30 gpt over 2.0 m, from hole DLM-20-012; and 2.02 gpt over 38.1 m from DLM-20-010W. These holes were drilled on a section 100 m east of previously announced hole DLM-20-04, which intersected 1.25 gpt over 65.0 m and 1.41 gpt over 121.0 m and 1.03 gpt over 14.8 m (see press release dated June 29, 2020).

Additional results from this area include: 1.28 gpt over 17.0 m, including 7.58 gpt over 2.0 m, and 1.23 gpt over 14.0 m, including 6.89 gpt over 2.0 m from hole DLM-20-009, which was drilled 80 m west of DLM-20-04 and 200 m below the West pit reserve shell.

Central Portion of the Saddle Zone

Drilling in the central portion of the Saddle Zone included one hole (1,095 m) and targeted the DMT approximately midway between the current reserve pits for the Main and West pits and approximately 400 m below surface.

Significant results from the drilling include: 1.10 gpt over 142 m, including 9.39 gpt over 2.0 m, 2.15 gpt over 16.0 m and 1.23 gpt over 12.0 m in hole DLM-20-016, which was drilled 120 m east of DLM-20-15 and 180 m west of previously reported DLM-20-08, which intersected 1.23 gpt over 138.0 m and 1.77 gpt over 37.0 m (see press release dated June 29, 2020). Results from this hole are considered extremely encouraging as it is one of the first to be drilled within the central area of the Saddle Zone and contains mineralization of similar style and gold tenor to that found in the West and Main pits. Given the above intersections and other results from the program, there appears to be strong evidence for a broad continuous corridor of mineralization following the DMT and extending from the Main Pit to the West Pit (a distance of 800 m) and then westwards under the West pit.

East Portion of Saddle Zone

Drilling in the east portion of the Saddle Zone included three holes (3,907 m) and targeted areas along the DMT directly west of the Main Pit Mineral Reserve shell between 380 and 820 m below surface. 

Significant results from the drilling including: 1.42 gpt over 78.0 m, including 8.54 gpt over 3.0 m, and 5.25 gpt over 6.0 m, 1.08 gpt over 51.0 m, including 5.96 gpt over 3.0 m, 1.21 gpt over 43.0 m, 0.90 gpt over 51.0 m, 1.73 gpt over 15.0 m and 1.50 gpt over 13.0 m from hole DLM-20-014a, which was drilled approximately 380 m below surface and 200 m east of previously announced DLM-20-08 which intersected 1.23 gpt over 138 m (see press release dated June 29, 2020).

Additional results from this area include 1.38 gpt over 73.0 m, including 6.89 gpt over 3.0 m and 1.27 gpt over 12.2 m from hole DLM-20-013a and, 8.68 gpt over 2.0 m, 1.01 gpt over 5.7 m and 0.62 gpt over 10.5 m from hole DLM-20-011 which were drilled 180 m east of hole DLM-20-14a between 750 and 820 m below surface (420 m below the current Main Pit Reserve shell). These holes are among the deepest to test this part of the DTM trend to date and strongly demonstrate that the gold system not only remains open to depth but contains grades which could be of interest for developing either open pit or underground Mineral Resources.

Based on assay results and other observations obtained from the program to date, the outlook for the project continues to look encouraging with there being evidence of a broad and continuous corridor of mineralization extending between the West and Main pits and to a depth of up to 820 m below surface. The work also suggests that mineralization within the corridor is very similar to that found in the West and Main pits and is hosted mainly by broad zones containing variable amounts of quartz and pyrite, which are controlled mainly by east-west trending, moderately north dipping folds and shear structures which plunge at a shallow angle to the west. Given results to date, the potential to identify further extensions to mineralization as well as potential additions to Mineral Resources and Mineral Reserves between the Main and West pits through additional drilling is considered excellent.

Exploration work at Detour Lake is ongoing with four drills current working, targeting to complete at least 75,000 meters by the end of 2020. The Company plans to increase the number of drills to six in October.

Qualified Persons

The Company’s exploration programs at Detour Lake are conducted under the supervision of Eric Kallio, P.Geo., Senior Vice President, Exploration. Mr. Kallio, as well as Keith Green, P.Geo., Director, Exploration, Canada, and Steve Gray, Exploration Superintendent, Detour Lake Mine, are ‘qualified persons’ for the purpose of National Instrument 43-101, Standards of Disclosure for Mineral Projects, of the Canadian Securities Administrators, and have reviewed and approved the scientific and technical information in this news release.

QA/QC Controls

The Company has implemented a quality assurance and control (“QA/QC”) program to ensure sampling and analysis of all exploration work is conducted in accordance with best practices. Samples are logged and sampled in a secure facility at the Detour mine site and under supervision of Qualified Geologists. NQ sized core is predominantly sawn in half with one half of the core prepared for shipment, the other half of core retained for future assay verification. A smaller percentage of the core is not sawn and shipped as whole core samples. Preparations for shipment include; placing individual samples with corresponding sample tag into sealed plastic bags, which are in turn placed into labelled and zip tied rice bags, and subsequently placed onto pallets, shrink wrapped and couriered to ALS Laboratories in Timmins, Ontario by Manitoulin Transport and to Activation Laboratories in Timmins, by Gold Heart Courier Service. Sample preparation by ALS Laboratories is completed in Timmins then sent to their Vancouver Lab for analysis while both sample preparation and analysis by Activation Laboratories is completed in Timmins.

Assaying of the samples is completed using Fire Assay techniques with samples less than 10 grams per tonne being analyzed with Atomic Absorption (AA) and samples greater than 10 grams per tonne with gravimetric finish. Selected high grade samples are also analyzed using the screen metallics procedure. Internal laboratory checks conducted by ALS include the insertion of 1 blank, 2 certified reference standards and 3 duplicates for every 78 samples (per fusion furnace).

Internal laboratory checks conducted by Activation Laboratories include the insertion of 2 blanks very 24 samples, 1 prep duplicate every 50 samples, 1 lab duplicate every 10 samples, and multiple certified reference standards for every 24 samples.

Both ALS and Activation Laboratories are certified by the Standards Council of Canada (SCC) which conforms with ASB-RG Mineral Analysis Laboratory for the Accreditation of Mineral Analysis Testing Laboratories and CAN-P-4E ISO/IEC 17025 : General Requirements for the Competence of Testing and Calibration Laboratories. 

About Kirkland Lake Gold Ltd.

Kirkland Lake Gold Ltd. is a growing gold producer operating in Canada and Australia that produced 974,615 ounces in 2019. The production profile of the Company is anchored by three high-quality operations, including the Macassa Mine and Detour Lake Mine, both located in Northern Ontario, and the Fosterville Mine located in the state of Victoria, Australia. Kirkland Lake Gold’s solid base of quality assets is complemented by district scale exploration potential, supported by a strong financial position with extensive management expertise.

Table 1. Detour Lake Mine – Saddle Zone – Significant Assay Results

1. Assays are reported uncut.
2. Assay intervals are reported as drill thickness

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