DEVELOPING CANADA S ONLY CARLIN-TYPE GOLD DISTRICT TSX-V: ATC

DEVELOPING CANADA S ONLY CARLIN-TYPE GOLD DISTRICT TSX-V: ATC March 2018

FORWARD LOOKING STATEMENTS FORWARD-LOOKING STATEMENTS This presentation contains forward-looking information. Forward looking information contained in this presentation includes, but is not limited to, statements with respect to: (i) the estimation of inferred and indicated mineral resources; (ii) the success of exploration activities; (iii) the results of the PEA including statements about future production, future operating and capital costs, the projected IRR, NPV, payback period, and production timelines for the Tiger Deposit. These statements are based on information currently available to ATAC Resources Ltd. ( ATAC ) and ATAC provides no assurance that actual results will meet management's expectations. In certain cases, forward-looking information may be identified by such terms as "anticipates", "believes", "could", "estimates", "expects", "may", "shall", "will", or "would". Forward-looking information contained in this presentation is based on certain factors and assumptions regarding, among other things, the estimation of mineral resources, the realization of resource estimate, gold metal prices, the timing and amount of future exploration and development expenditures, the estimation of initial and sustaining capital requirements, the estimation of labour and operating costs, the availability of necessary financing and materials to continue to explore and develop the Tiger Deposit in the short and long-term, the progress of exploration and development activities, the receipt of necessary regulatory approvals, the completion of the environmental assessment process, and assumptions with respect to currency fluctuations, environmental risks, title disputes or claims, and other similar matters. While ATAC considers these assumptions to be reasonable based on information currently available to it, they may prove to be incorrect. Forward-looking information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of ATAC to be materially different from any future results, performance or achievements expressed or implied by the forward-looking information. Such factors include risks inherent in the exploration and development of mineral deposits, including risks relating to changes in project parameters as plans continue to be redefined including the possibility that mining operations may not commence at the Tiger Deposit, risks relating to variations in mineral resources, grade or recovery rates resulting from current exploration and development activities, risks relating to changes in gold prices and the worldwide demand for and supply of gold, risks related to increased competition in the mining industry generally, risks related to current global financial conditions, uncertainties inherent in the estimation of mineral resources, access and supply risks, reliance on key personnel, operational risks inherent in the conduct of mining activities, including the risk of accidents, labour disputes, increases in capital and operating costs and the risk of delays or increased costs that might be encountered during the development process, regulatory risks, including risks relating to the acquisition of the necessary licenses and permits, financing, capitalization and liquidity risks, including the risk that the financing necessary to fund the exploration and development activities at the Tiger Deposit may not be available on satisfactory terms, or at all, risks related to disputes concerning property titles and interest, and environmental risks. This list is not exhaustive of the factors that may affect any of ATAC's forward-looking information. These and other factors should be considered carefully and readers should not place undue reliance on ATAC's forward-looking information. ATAC does not undertake to update any forward-looking information that may be made from time to time by ATAC or on its behalf, except in accordance with applicable securities laws. PEA DISCLOSURE It should be noted that the Tiger Deposit PEA is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves. There is no certainty that the PEA forecast will be realized or that any of the resources will ever be upgraded to reserves. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability. Additional information about the Tiger Deposit PEA is summarized in ATAC s May 31, 2016 technical report titled Technical Report and Preliminary Economic Assessment for the Tiger Deposit, Rackla Gold Project, Yukon, Canada which can be viewed at www.sedar.com under the ATAC profile or on the ATAC website at www.atacresources.com. QUALIFIED PERSON Julia Lane, B.Sc., P.Geo., the Vice President of Exploration of ATAC, is a qualified person for the purposes of National Instrument 43-101. All technical information contained in this presentation has been approved by Julia Lane. TRUE WIDTHS True widths for all Conrad, Osiris, Sunrise, Ibis, Anubis, Tiger and Ocelot highlight diamond drill holes are estimated to be 30% - 70% of intersected widths. RAB drill hole intersections are drilled thicknesses and true widths are unknown. Orion and Tiger East Anomaly diamond drilling true thicknesses are also unknown at this time.

JULY 2017 From L-R: Doug Goss (Chairman), Julia Lane (VP, Exploration), Ian Talbot (COO), Ed Cope (Technical Advisor) and Graham Downs (President & CEO) 1

MANAGEMENT & DIRECTORS Graham Downs, President & CEO 23 years of Yukon mineral exploration experience Director of Trifecta Gold Julia Lane, Vice President, Exploration Managed exploration on the Rackla Gold Property since 2010 Partner of Archer, Cathro & Associates Matthew Keevil, Vice President, Corporate Affairs Former Western Editor of The Northern Miner Bachelor of Arts (Honours) in economics and political science and a Masters of Professional Communication Ian Talbot, Chief Operating Officer Formerly internal counsel with BHP Biliton World Exploration Inc. Lawyer and geologist Larry Donaldson, Chief Financial Officer Chartered Accountant with over 30 years of accounting, auditing and tax experience Rob Carne, Executive Chairman, Technical Committee & Director Former President of ATAC and part of the Carlin-type gold discovery team for the Rackla Gold Project Douglas Goss, Chairman & Director Queen Elizabeth II Golden and Diamond Jubilee Medals Alberta Order of Excellence General Counsel and Corporate Secretary to Premium Brands since 1999 Bruce Youngman, Director Former President and COO of Canplats Resources Corp. which was acquired by Goldcorp Former VP and director of Northern Dynasty Minerals Don Poirier, Director Former VP of Corporate Development for Hecla Mining Company Former sell-side mining analyst at several Canadian investment firms Glenn Yeadon, Secretary & Director Barrister and solicitor practicing primarily securities law 34 years as a partner or associate of Tupper, Jonsson & Yeadon Bruce Kenway, Director Founding member of chartered accounting firm Kenway Mack Slusarchuk Stewart LLP Ed Cope, Technical Advisor 21 years with Barrick Gold Corporation and recently retired as VP of Exploration for North America in 2016 3

CAPITAL STRUCTURE SHARE STRUCTURE SHARES OUTSTANDING 139,911,877 FULLY DILUTED 151,031,877 OPTIONS ($0.31 - $1.80) 11,120,000 WARRANTS 0 WORKING CAPITAL ~$13M Share Structure as at March 1, 2018 Past 12 month trading pattern FINANCINGS SIGNIFICANT HOLDERS FLOW- THROUGH HARD DOLLARS PROCEEDS BARRICK 27,886,960 19.9% May 2017 Barrick Apr. 2016 Mar. 2014 16,684,800 @ $0.50/share 5,000,000 @ $0.65/share 3,781,441 @ $1.80/share ~$8.3 M ~$3.3 M ~$6.8 M STRATEGIC METALS 10,144,136* 7.3% TOCQUEVILLE GOLD FUND 9,784,891** 7.0% *As at January 10, 2018 **As at December 31, 2017 Mar. 2013 Agnico Eagle 9,600,000 @ $1.35/share ~$13.0 M 3

THE RACKLA GOLD PROPERTY, YUKON 4

THE RACKLA GOLD PROPERTY The Rackla Gold Property is ~1,700 km² and is comprised of three separate projects: the Osiris (100% ATAC), the Orion (under option to Barrick) and the Rau (100% ATAC) The Osiris Project is host to Canada s first Carlin-type gold discoveries within the 12 km² Osiris Cluster at the Conrad, Osiris, Sunrise and Ibis zones The Orion Project is subject to an earn-in agreement with Barrick Gold Corporation whereby Barrick can earn up to a 70% interest in Orion by spending $55 million in exploration The Rau Project hosts the economic Tiger Gold Deposit and 15 other underexplored targets 65 km tote road initial regulatory approval granted 5

CARLIN-TYPE GOLD DISCOVERIES 2011-2017 ~7,500 m diamond drilling 2010-2017 ~85,000 m diamond drilling 1991 1862 1976 2011 1922 2002 6

OSIRIS LOOKING WEST TOWARDS ORION AND RAU 7

OSIRIS CLUSTER PLAN MAP 8

CONRAD ZONE Completed 15 holes in 6,788 m at the Conrad Zone in 2017 Drilling in 2017 confirms that the 350 and 650 Faults play an important structural role in the mineralizing system at Conrad OS-17-233 drilled within the 350 Fault corridor intersects 67.06 m of 3.35 g/t gold OS-17-238 drilled within the 650 Fault corridor intersects 12.50 m of 20.78 g/t gold OS-17-257 steps-out 75 m from OS-17-238 and intersects 12.19 m of 9.44 g/t gold in the 650 Fault corridor 9

CONRAD ZONE 2017 Conrad Drilling Highlights HOLE (#) WIDTH (m) GOLD (g/t) OS-17-232 12.20 4.91 and 12.19 5.97 OS-17-233 36.58 3.65 and 12.52 2.48 and 67.06 3.35 OS-17-234 33.53 3.49 OS-17-236 27.43 4.37 and 34.57 3.52 and 16.76 8.59 and 42.67 3.78 OS-17-238 7.62 4.96 and 12.50 20.78 and 10.41 7.51 OS-17-241 36.58 2.10 and 5.60 14.46 OS-17-245 2.00 11.95 and 18.10 2.56 OS-17-248 7.62 2.65 and 6.10 3.32 OS-17-250 10.11 8.44 incl. 4.93 15.52 and 4.69 5.46 OS-17-253 21.34 1.76 OS-17-255 13.72 3.57 and 21.56 9.33 incl. 10.90 14.57 OS-17-257 12.19 9.44 OS-17-259 25.91 5.44 incl. 16.76 7.40 and 76.20 3.54 incl. 33.53 7.17 100 m True widths for all Conrad drill results are estimated to be 40%-100% of intersected widths 10

SUNRISE ZONE 2017 drilling returned the highest grade intersection to date from the Sunrise Zone of 15.24 m of 13.52 g/t gold in hole OS-17-249 Completed 6 holes in 1,886 m at the Sunrise Zone in 2017 Drilling at Sunrise in 2017 focused on stepping out from previously defined mineralization Results from 2017 drilling at Sunrise show an increase in the gold grade with depth opening up a new area for future exploration 11

SUNRISE ZONE CROSS SECTION 480E Sunrise 2017 Drilling Highlights HOLE (#) WIDTH (m) GOLD (g/t) OS-17-247 7.63 13.70 OS-17-249 10.42 7.97 incl. 4.61 14.97 and 15.24 13.52 incl. 9.15 21.50 OS-17-251 5.89 3.76 incl. 1.12 12.80 OS-17-252 3.91 8.39 incl. 1.15 19.15 OS-17-254 5.93 4.50 incl. 2.89 7.88 and 13.68 4.55 incl. 2.67 15.50 True widths for Sunrise results are estimated to be 50%-70% of estimated widths 12

OSIRIS ZONE Completed 8 holes in 2,540 m at the Osiris Zone in 2017 Drilling at Osiris in 2017 tested the favourable limestone and overlying dolostone units in proximity to faults that offset stratigraphy Exploration at Osiris also focused on expanding upon limited wide-spaced drilling previously completed at the northern portion of the zone in 2011 Drilling in 2017 at Osiris intersects 12.19 m of 9.60 g/t gold in OS-17-244 and confirms continuity to the north The deepest test of the Osiris Zone intersected 16.46 m of 5.29 g/t gold in OS-17-258 13

OSIRIS ZONE CROSS SECTION 2480N Osiris 2017 Drilling Highlights HOLE (#) WIDTH (m) GOLD (g/t) OS-17-237 17.16 2.89 OS-17-239 13.89 1.85 OS-17-240 9.20 3.28 OS-17-242 7.01 3.11 OS-17-244 12.19 9.60 and 6.10 3.80 and 13.75 1.64 and 10.55 2.50 OS-17-256 14.43 2.45 OS-17-258 16.46 5.29 incl. 7.31 7.41 OS-17-260 12.63 1.76 True widths for Osiris results are estimated to be 70%-100% of estimated widths 14

THE ORION PROJECT PARTNERSHIP Barrick can earn 70% of the Orion Project by spending $55 million on exploration Guaranteed exploration expenditures of $10 million in the first 3 years Barrick completed a ~$4 million exploration program at Orion in 2017 In 2017, Barrick completed grassroots target delineation through detailed mapping, prospecting and trenching along with rock, soil and stream sediment sampling Barrick also conducted RAB and diamond drilling to complement the surface work along with a ground-based gravity survey and Lidar Primary area of 2017 exploration ORION PROJECT 15

BARRICK YEAR 1 EXPLORATION 16

THE RAU PROJECT Hosts the Tiger Gold Deposit, Airstrip Gold Anomaly, and numerous other early-stage carbonate-replacement style gold and base metal targets Updated 2016 Tiger Deposit PEA doubled the pre-tax NPV to over $100 million* 2017 Exploration - ATAC Additional high-grade oxide gold mineralization intersected to the east of the Tiger Gold Deposit and returned 51.82 m of 5.66 g/t gold in RAU- 17-159 Drilling confirms sulphide grade and continuity in RAU-17-156 which intersected 56.77 m of 4.08 g/t gold Discovery of new oxide gold mineralization at the Tiger East Anomaly intersected 21.34 m of 2.59 g/t gold in hole RAU-17-160 Prospecting and mapping of the numerous oxide gold and skarn targets along strike of the Tiger Gold Deposit resulted in multiple new showings * Full text of the updated 2016 PEA is available at ATAC s website www.atacresources.com 20

RAU PROJECT GOLD GEOCHEMISTRY 18

TIGER DEPOSIT SULPHIDE CROSS SECTION 19

PROPOSED 2018 RACKLA GOLD PROPERTY PROGRAM Two-phase diamond drilling program at the Osiris Project to: $5 million, Phase 1 Diamond and RAB drilling program at the Osiris Project Expand high-grade gold mineralization at the 350 and 650 Fault corridors at Conrad Expand high-grade gold mineralization at depth and along strike at Sunrise Drilling to test gaps in zones for future resource modeling Year two of Barrick s three year guaranteed $10 million exploration expenditures and initial drill-targeting of gold mineralization within the Orion Project Follow-up exploration from 2017 regional Rau Project targets and advance the Tiger Gold Deposit towards feasibility 20

SUMMARY Completed ~$8 million in exploration on the Rau and Osiris Projects in 2017 Drilling expands the Conrad, Sunrise and Osiris Zones and intersects high-grade gold mineralization in previously untargeted areas Barrick spent ~$~4 million on exploration at the Orion Project in 2018 Rau Project prospecting and mapping and identify multiple showings Company awaits final decision on the proposed 65 km tote road to the Tiger Gold Deposit In 2018, ATAC plans to continue to aggressively expand upon new high-grade gold mineralization found at the Conrad, Sunrise and Osiris Zones 21

APPENDIX 23. Osiris and Orion Highlight Diamond Drill Results 24. The Barrick Transactions 25. 2014 vs 2016 Tiger Deposit PEA Comparison 26. Tiger 2016 PEA Resources and Price Sensitivity 27. Tiger 2016 PEA Pre-Production and Operating Capital 22

OSIRIS & ORION PROJECTS HIGHLIGHT DIAMOND DRILL RESULTS ZONE HOLE FROM (m) TO (m) INTERVAL (m) Au (g/t) CONRAD OS-10-008 41.35 62.48 21.13 8.03 OS-12-114 66.19 109.12 42.93 18.44 350 Fault OS-17-232 409.04 421.23 12.19 5.97 350 Fault OS-17-233 487.68 554.74 67.06 3.35 650 Fault OS-17-236 190.50 233.17 42.67 3.78 650 Fault OS-17-238 54.86 67.36 12.50 20.78 Upper Zone OS-17-259 170.69 246.89 76.20 3.54 OSIRIS OS-10-001 56.08 121.28 65.20 4.65 OS-11-080 24.39 44.20 19.81 5.07 OS-11-082 134.11 178.31 44.20 4.41 OS-17-244 118.26 130.45 12.19 9.60 OS-17-258 271.88 288.34 16.46 5.29 SUNRISE OS-12-173 0.99 15.85 14.86 10.54 OS-17-247 311.50 319.13 7.63 13.70 OS-17-249 344.42 359.66 15.24 13.52 IBIS OS-11-073 17.37 69.19 51.82 3.13 OS-12-120 106.07 133.50 27.43 6.28 ANUBIS AN-12-001 63.09 71.60 8.51 19.85 AN-12-003 69.19 85.95 16.76 9.08 ORION AN-16-010 18.00 79.29 61.29 2.75 True widths for all highlight drill holes on this slide are estimated to be 30% - 70% of intersected widths 23

THE BARRICK TRANSACTIONS The transactions consist of a potential total investment by Barrick of approximately $63.3 million, which includes a private placement of $8.3 million (completed), and a two-staged, $55 million exploration earn-in option to acquire 70% of the Orion Project: STAGE 1 EARN-IN $35 million expenditures by the end of 2021 for 60% of Orion Guaranteed $10 million expenditures by the end of 2019 One or more senior Barrick exploration team members seconded to Orion STAGE 2 EARN-IN Further $20 million expenditures by the end of 2026 for an additional 10% of Orion (70% total) POST EARN-IN Joint Venture formed If either party s interest in the JV is reduced to 10% or less, their interest in Orion converts to a sliding scale NSR on gold between 1% - 3% with no buyout Barrick participated in a flow-through financing in ATAC for approximately $8.3 million Barrick s shareholding in ATAC post financing increased from 9.2% to 19.99% Barrick spent ~$4 million in exploration of the Orion Project in 2017 7

2014 vs 2016 TIGER PEA 2014 PEA 2016 PEA Gold Price (US$/oz) $1250 $1250 Exchange Rate (US$:CA$) 0.92 0.78 Pre-tax NPV (5%) (millions) $52.15 $106.6 Pre-tax IRR 30.0% 34.8% Post-tax NPV (5%) (millions) $33.67 $75.71 Post-tax IRR 21.5% 28.2% Recovered Gold 221,558 oz 302,307 oz Average Gold Grade 3.72 g/t 3.81 g/t Average Oxide Recovery 89.8% 90.3% Average Sulphide Recovery 0% 57.7% Pre-production Capital (millions) $92.3 $109.4 Sustaining Capital (millions) $26.5 $8.3 Payback (pre-tax) 2.2 years 1.85 years Payback (post-tax) 2.6 years 1.92 years Pre-production Period 1 year 1 year Mine life 4 years 6.2 years Closure Period 2 years 2 years Project life 7 years 9.2 years Process Hybrid CIL/Heap Leach CIP Production Rate 3,300 tpd 1,500 tpd Operational Period Seasonal (158 days) Year-round (365 days) Strip Ratio 5.6:1 4.9:1 Access Method Winter Road Tote Road: ~$11 million Please see page 1 of this presentation for Tiger PEA disclosure 25

TIGER RESOURCES AND GOLD PRICE SENSITIVITY Type Oxides Gold Price $US/oz $1,200 $1,250 $1,300 Pre-Tax Cumulative Net Cash Flow $M $130.1 $149.4 $168.7 Pre-Tax NPV (5% discount rate) $M $90.8 $106.6 $122.3 Pre-Tax IRR 30.8% 34.8% 38.8% 0.78 $US/CA$ Classification Au Cut-off (g/t) Tonnes > Cut-off Grade>Cut-off Contained Metal Au (g/t) Ag (g/t) Au (oz) Ag (oz) Measured 0.50 2,600,000 3.10 4.77 259,100 398,700 Indicated 0.50 1,720,000 2.47 4.10 136,300 226,700 Sulphides Indicated 1.00 1,360,000 2.07 0.56 90,300 24,500 Total M+I 5,680,000 2.66 3.56 485,700 649,900 Oxides Inferred 0.50 280,000 1.52 5.67 13,700 51,000 Sulphides Inferred 1.00 2,950,000 1.84 0.47 174,800 44,600 Total Inferred 3,230,000 1.81 0.92 188,500 95,600 The Mineral Resource estimate used in the updated PEA was completed by Gary Giroux, P.Eng., M.A.Sc. (Giroux Consultants Ltd.) using 6,222 assays taken from 150 diamond drill holes, totaling 26,844 m. The effective date of this Mineral Resource estimate is October 28, 2015. A three dimensional solid model was constructed to constrain oxide and sulphide mineralization. Please see page 1 of this presentation for Tiger PEA disclosure 26

TIGER PRE-PRODUCTION AND OPERATING CAPITAL CAPITAL COSTS PRE PRODUCTION (millions)* SUSTAINING CAPITAL LOM Site Infrastructure $8.1 -- $8.1 Tote Road $11.0 -- $11.0 Open Pit Mining** $13.2 $0.03 $13.2 Materials Crushing and Handling $2.0 -- $2.0 Process Plant $29.7 -- $29.7 Tailings and Water Management $7.9 $6.1 $14.0 Project Indirects $19.8 -- $19.8 OPERATING COSTS LOM Avg. Mining Costs ($/t mined)* $4.31 Processing ($/t processed) $26.98 G & A ($/t processed) $12.38 Surface Services ($/t processed) $3.80 Equipment Leasing ($/t processed) $1.68 * Not including capitalized pre-production mining costs Owner s Cost $1.2 -- $1.2 Contingencies*** $16.5 $2.2 $18.7 TOTAL $109.4 $8.3 $117.7 * Totals may not add exactly due to rounding ** Includes capitalized pre-production mining costs. Major mining equipment is leased *** Contingencies were factored on an area-by-area basic depending on the detail level of each estimate Please see page 1 of this presentation for Tiger PEA disclosure 27