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Iamgold Reports Remaining Assay Results from the 2019 Delineation Drilling Program at the Nelligan GOLD Project, Quebec

Drill Results

NEWS RELEASE

TSX: IMG NYSE: IAG

IAMGOLD REPORTS REMAINING ASSAY RESULTS FROM THE 2019

DELINEATION DRILLING PROGRAM AT THE NELLIGAN GOLD PROJECT,

QUEBEC

Toronto, Ontario, August 13, 2019 – IAMGOLD Corporation (“IAMGOLD” or the “Company”) today

announced the remaining assay results from its 2019 delineation diamond drilling program completed at its

Nelligan joint venture project (IAMGOLD Corporation: 51%, Vanstar Mining Resources Inc. (“Vanstar”):

49%), located 60 kilometres southwest of Chibougamau, Quebec, Canada. The Company is reporting

assay results from the remaining twenty-eight (28) diamond drill holes totaling 10,558 metres completed as

part of the 2019 drilling program.

The assay results reported herein are provided in Table 1 below and include the following highlights (a drill

hole plan map is attached to this news release):

Renard Zone:

 Drill hole NE-19-126: 34.5 metres grading 1.75 g/t Au

includes: 7.0 metres grading 4.69 g/t Au

and 20.8 metres grading 1.54 g/t Au

 Drill hole NE-19-134: 25.0 metres grading 1.19 g/t Au

and 14.0 metres grading 2.26 g/t Au

includes: 4.0 metres grading 5.92 g/t Au

and 59.0 metres grading 0.90 g/t Au

includes: 2.5 metres grading 5.02 g/t Au

 Drill hole NE-19-138: 123.7 metres grading 1.26 g/t Au

includes: 8.5 metres grading 4.25 g/t Au

 Drill hole NE-19-145: 50.2 metres grading 1.82 g/t Au

includes: 0.9 metres grading 20.5 g/t Au

 Drill hole NE-19-146: 30.6 metres grading 2.87 g/t Au

includes: 1.5 metres grading 24.4 g/t Au

 Drill hole NE-19-147: 45.7 metres grading 0.84 g/t Au

and 25.5 metres grading 1.92 g/t Au

and 24.0 metres grading 1.09 g/t Au

and 21.3 metres grading 3.41 g/t Au

includes: 1.5 metres grading 39.10 g/t Au

 Drill hole NE-19-149: 17.3 metres grading 5.50 g/t Au

and 31.2 metres grading 1.03 g/t Au

The 2019 diamond drilling program was designed to infill and test the continuity of the mineralized zones of

the Renard mineralized system. The program specifically targeted the shallower part of this wide

mineralized corridor to confirm and define its extension to the surface. Many of the holes intersected the

expected zones of hydrothermal alteration associated with the mineralization, characterized by variable

carbonatization, sericite, phlogopite and pervasive silicification affecting the hosting meta -sedimentary

sequence. Associated mineralization consists of widespread disseminated pyrite, varying from 1% to

locally 15%. Trace molybdenite and occasionally fine grains of visible gold are also observed.

Craig MacDougall, Senior Vice President, Exploration for IAMGOLD, stated: “We are very pleased to have

all of the 2019 drilling results in hand and we are now working to incorporate the new results into our

deposit model to support the completion of a mineral resource estimate expected in the second half of the

year. Once completed, this will mark an important milestone for the project and a significant achievement

by our exploration team. It is also important to note that there is considerable potential to expand the

mineralized zones as the Renard zone remains open at depth and to the west along strike.”

page 2 of 7

Next Steps

Together with ongoing geological, geochemical and structural studies, assay results from the 2019 drill

holes totaling 17,558 metres will be integrated to support the development and refinement of a deposit

model with the objective of completing an initial NI 43-101 compliant resource estimate in the second half

of 2019. Initial metallurgical tests are also in progress and the results will be used to design future testing

programs.

Field activities for the summer season have commenced and will focus on a geological mapping program

within the larger property holdings surrounding the Renard discovery to improve the understanding of the

structural regional framework and to prospect various geophysical and structural features identified for

follow up.

About the Nelligan Project

The Nelligan project is underlain by a portion of the Caopatina segment belonging to the North Volcanic

Zone of the Abitibi Belt of the Superior Province. The property is centered on the E -W Druillette syncline

with sediments of the Caopatina Formation bounded to the north and to the south by volcanic rocks of the

Obatogamau Formation. The North and South portions of the property are occupied by granodioritic to

tonalitic intrusions. The project is transected by numerous regional and local structures and deformation

zones which can be important in the localization of gold mineralization.

Gold showings of the area can be grouped according to their style of mineralization: 1) Quartz-sulphide

vein type mineralization and 2) associated with zones of disseminated pyrite mineralization in

hydrothermally altered units. On the local scale, the Nelligan project contains several known gold

showings, including the Liam and Dan Zones discovered by drilling in 2013 and 2014, and the historical

Lake Eu showing. Subsequent exploration undertaken by IAMGOLD discovered significant alteration and

associated gold mineralization over wide intervals in metasedimentary units intersected in drilling to the

north of the known gold showings. Mineralization has now been intersected in drilling over a strike length

of more than 1.0 kilometre, and to a depth of over 350 vertical metres (referred to as the Renard Zone and

Zone 36). The mineralized zones and showings fall within a structural corridor with a potential strike length

of several kilometres possibly associated with the Guercheville Deformation Corridor located 5 kilometres

north of the property.

The Nelligan Project is held under an earn-in option to joint venture agreement with Vanstar. The

Company holds an undivided 51% interest in the property, and holds an option to earn a further 24%

undivided interest in exchange for cash payments totaling C$2,750,000 to Vanstar and the delivery of an

NI 43-101 compliant Resource Estimate and Technical Report before March 2022. Once vested to an

undivided 75% interest, IAMGOLD will have a further option to acquire an additional interest of 5%, to hold

an 80% interest in the Nelligan project by completing and delivering a Feasibility Study . Vanstar would

then retain a 20% undivided non-contributory carried interest until the commencement of commercial

production, after which: (1) the 20% undivided interest becomes participating; and (2) Vanstar will pay its

attributable portion of the total development and construction costs to the commencement of commercial

production from 80% of its share of any ongoing distributions from the Joint Venture. Vanstar will also

retain a 1% NSR royalty on selected claims of the project.

Technical Information and Quality Control Notes

The drilling results contained in this news release have been prepared in accordance with National

Instrument 43-101 Standards of Disclosure for Mineral Projects.

The "Qualified Person" responsible for the supervision of the preparation and review of this information is

Marie-France Bugnon, P. Geo., General Manager Exploration. Marie-France is considered a "Qualified

Person" for the purposes of National Instrument 43-101 with respect to the technical information being

reported on. The technical information has been included herein with the consent and prior review of the

above noted Qualified Person. The Qualified person has verified the data disclosed, and data underlying

the information or opinions contained herein.

The design of the drilling program and interpretation of results is under the control of IAMGOLD’s

geological staff, including qualified persons employing strict protocols consistent with NI 43 -101 and

industry best practices. The sampling of, and assay data from, the drill core is monitored through the

implementation of a quality assurance - quality control (QA-QC) program. Drill core (NQ size) is logged

and samples are selected by the IAMGOLD geologists and sawn in half with a diamond saw at the project

site. Half of the core is retained at the site for reference purposes. Sample intervals may vary from half a

metre to one and a half metres in length depending on the geological observations.

page 3 of 7

Half-core samples are packaged and transported in sealed bags to ALS Minerals Laboratory (“ALS”)

located in Val-d’Or, Québec. Samples are coarse crushed to a -10 mesh and then a 1,000 gram split is

pulverized to 95% passing -150 mesh. ALS processes analytical pulps directly at their facilities located in

Val-d’Or which is ISO / IEC 17025 certified by the Standards Council of Canada. Samples are analyzed

using a standard fire assay with a 50 gram charge with an Atomic Absorption (AA) finish. For samples that

return assay values over 5.0 grams per tonne, another pulp is taken and fire assayed with a gravimetr ic

finish. Core samples showing visible gold or samples which have returned values greater than 10.0 grams

per tonne are re-analyzed by pulp metallic analysis. IAMGOLD inserts blanks and certified reference

standards in the sample sequence for quality control.

Forward Looking Statement

This news release contains forward-looking statements. All statements, other than of historical fact, that address

activities, events or developments that the Company believes, expects or anticipates will or may occur in the future

(including, without limitation, statements regarding expected, estimated or planned gold production, cash costs, margin

expansion, capital expenditures and exploration expenditures and statements regarding the estimation of mineral

resources, exploration results, potential mineralization, potential mineral resources and mineral reserves) are forward-

looking statements. Forward-looking statements are generally identifiable by use of the words “will”, “should”,

“continue”, “expect”, “anticipate”, “estimate”, “believe”, “intend”, “to earn”, “to have’, “plan” or “project” or the negative of

these words or other variations on these words or comparable terminology. Forward-looking statements are subject to

a number of risks and uncertainties, many of which are beyond the Company’s ability to control or predict, that may

cause the actual results of the Company to differ materially from those discussed in the forward-looking

statements. Factors that could cause actual results or events to differ materially from current expectations include,

among other things, without limitation, failure to meet expected, estimated or planned gold production, cash costs,

margin expansion, capital expenditures and exploration expenditures and failure to establish estimated mineral

resources, the possibility that future exploration results will not be consistent with the Company's expectations,

changes in world gold markets and other risks disclosed in IAMGOLD’s most recent Form 40-F/Annual Information

Form on file with the United States Securities and Exchange Commission and Canadian provincial securities

regulatory authorities. Any forward-looking statement speaks only as of the date on which it is made and, except as

may be required by applicable securities laws, the Company disclaims any intent or obligation to update any forward-

looking statement.

About IAMGOLD

IAMGOLD ( www.iamgold.com) is a mid -tier mining company with four operating gold mines on three

continents. A solid base of strategic assets in North and South America and West Africa is complemented

by development and exploration projects and continued assessment of accretive acq uisition opportunities.

IAMGOLD is in a strong financial position with extensive management and operational expertise.

For further information please contact:

Indi Gopinathan, Investor Relations Lead, IAMGOLD Corporation

Tel: (416) 360-4743 Mobile: (416) 388-6883

Martin Dumont, Senior Analyst Investor Relations, IAMGOLD Corporation

Tel: (416) 933-5783 Mobile: (647) 967-9942

Toll-free: 1-888-464-9999 [email protected]

Please note:

This entire news release may be accessed via fax, e -mail, IAMGOLD's website at www.iamgold.com and through Newsfile’s website

at www.newsfilecorp.com. All material information on IAMGOLD can be found at www.sedar.com or at www.sec.gov.

Si vous désirez obtenir la version française de ce communiqué, veuillez consulter le www.iamgold.com/French/Home/default.aspx.

page 4 of 7

Table 1: Nelligan Project Drilling Results – 2019 Drilling Program

Hole No. AZ DIP EOH from To Interval True

Width (1) Au (2) (3) NOTE

Easting Northing Elevation (°) (°) (m) (m) (m) (m) (m) (g/t)  

NE-19-122 523173 5474024 370 330 -50 321.00 191.00 213.00 22.00 16.85 0.64 RENARD ZONE

229.50 234.00 4.50 3.45 1.82

NE-19-123 522362 5473763 370 330 -45 468.00 156.58 179.35 22.77 14.64 1.06 RENARD ZONE

243.50 293.50 50.00 35.36 0.88

Including (3) 278.50 293.50 15.00 10.61 1.57

337.50 354.50 17.00 12.02 0.61

NE-19-124 523138 5474007 371 330 -50 330.00 52.50 69.00 16.50 13.52 0.67

192.85 202.20 9.35 6.61 0.68 RENARD ZONE

218.87 227.00 8.13 5.23 0.71

NE-19-125 522356 5473877 370 330 -62 447.00 63.00 81.50 18.50 16.02 0.95 RENARD ZONE

Including (3) 73.36 74.35 0.99 0.86 4.97

102.50 159.50 57.00 43.66 0.77

Including (3) 137.00 143.00 6.00 4.60 1.45

167.00 179.00 12.00 9.19 1.40

Including (3) 167.00 168.50 1.50 1.15 5.27

195.50 200.00 4.50 3.45 1.37

207.50 215.00 7.50 5.75 0.92

261.50 271.00 9.50 7.28 0.62

321.00 325.50 4.50 3.45 1.71

NE-19-126 523227 5473907 369 335 -45 519.00 45.60 48.00 2.40 2.18 6.10

107.00 116.50 9.50 7.78 0.73

192.50 227.00 34.50 29.88 1.75 RENARD ZONE

Including (3) 209.00 216.00 7.00 6.06 4.69

254.50 262.50 8.00 5.14 1.27

268.20 289.00 20.80 14.71 1.54

Including (3) 268.20 270.50 2.30 1.63 4.95

NE-19-127 522356 5473877 370 330 -50 328.00 43.50 79.81 36.31 31.45 1.10 RENARD ZONE

Including (3) 58.00 79.81 21.81 18.89 1.48

Including (3) 73.50 78.00 4.50 3.90 3.04

87.00 88.50 1.50 1.30 4.88

102.00 115.50 13.50 11.69 0.60

121.50 133.50 12.00 10.39 0.66

175.50 186.00 10.50 9.09 0.78

252.00 265.50 13.50 11.69 1.28

NE-19-128 522391 5473919 370 330 -50 252.00 33.00 81.50 48.50 37.15 0.89 RENARD ZONE

Including (3) 34.35 35.70 1.35 1.03 4.01

Including (3) 65.60 67.00 1.40 1.07 4.46

NE-19-129 523002 5473935 378 332 -48 141.00 84.00 90.50 6.50 4.98 1.47 RENARD ZONE

105.40 121.50 16.10 14.59 1.26

Including (3) 116.00 120.00 4.00 3.63 3.43

NE-19-130 522437 5473835 370 330 -50 429.00 97.50 108.00 10.50 8.04 1.49 RENARD ZONE

114.00 133.50 19.50 14.94 0.93

174.00 190.50 16.50 13.52 0.76

196.50 219.00 22.50 18.43 1.42

Including (3) 205.50 207.00 1.50 1.23 9.48

331.50 346.50 15.00 12.29 0.64

NE-19-131 523084 5473800 373 328 -46 480.00 227.16 260.00 32.84 28.44 1.66 RENARD ZONE

Including (3) 238.00 239.50 1.50 1.30 13.15

Including (3) 251.00 254.00 3.00 2.72 5.26

277.60 280.60 3.00 2.72 5.68

286.60 319.60 33.00 29.91 1.11

Including (3) 317.59 318.11 0.52 0.47 5.18

367.75 372.25 4.50 3.45 1.65

443.00 450.25 7.25 5.55 0.85

459.60 476.00 16.40 12.56 0.85

NE-19-132 522460 5473896 370 330 -50 315.00 46.00 114.00 68.00 55.70 0.91 RENARD ZONE

Including (3) 48.00 70.50 22.50 18.43 1.42

Including (3) 111.00 114.00 3.00 2.46 1.93

204.00 217.50 13.50 11.06 0.51

UTM NAD83 Zone18

page 5 of 7

Table 1: Nelligan Project Drilling Results – 2019 Drilling Program (Continued)

Hole No. AZ DIP EOH from To Interval True

Width (1) Au (2) (3) NOTE

Easting Northing Elevation (°) (°) (m) (m) (m) (m) (m) (g/t)  

NE-19-133 522952 5474058 382 332 -48 219.00 76.00 85.35 9.35 7.16 0.75 RENARD ZONE

115.50 141.00 25.50 18.03 0.82

Including (3) 135.00 139.50 4.50 3.18 1.91

NE-19-134 523313 5473794 371 330 -52 553.61 46.03 59.90 13.87 10.63 1.07

Including (3) 47.53 51.80 4.27 3.27 1.74

66.50 85.30 18.80 15.40 0.86 ZONE 36

Including (3) 72.50 75.50 3.00 2.46 2.01

116.00 141.00 25.00 20.48 1.19

Including (3) 117.50 120.85 3.35 2.74 2.12

291.00 298.50 7.50 5.30 0.97 RENARD ZONE

308.50 322.50 14.00 11.47 2.26

Including (3) 313.00 317.00 4.00 3.28 5.92

341.50 400.50 59.00 51.10 0.90

Including (3) 374.00 378.50 4.50 3.90 2.21

Including (3) 389.00 391.50 2.50 2.17 5.02

466.50 474.00 7.50 5.75 0.96

480.00 490.39 10.39 7.96 0.92

NE-19-135 523059 5473949 375 330 -50 351.00 60.00 72.00 12.00 9.83 0.60 RENARD ZONE

87.00 99.00 12.00 8.49 0.77

108.00 118.70 10.70 8.76 2.17

Including (3) 110.00 111.00 1.00 0.82 8.33

141.00 150.00 9.00 7.79 1.13

Including (3) 147.00 150.00 3.00 2.60 2.04

182.40 191.50 9.10 7.45 1.24

196.50 205.45 8.95 7.33 1.98

217.50 223.50 6.00 5.20 0.95

264.00 271.50 7.50 6.50 0.68

NE-19-136 522498 5473933 370 330 -50 240.00 42.70 53.36 10.66 8.73 1.14 RENARD ZONE

Including (3) 42.70 44.80 2.10 1.72 3.13

61.65 91.05 29.40 25.46 0.68

102.40 110.45 8.05 6.59 0.72

117.65 121.90 4.25 3.26 1.60

165.71 175.92 10.21 7.82 0.65

183.57 195.50 11.93 9.77 1.03

NE-19-137 522540 5473958 370 330 -50 222.00 33.72 54.00 20.28 17.56 0.71 RENARD ZONE

129.00 138.50 9.50 7.28 0.61

NE-19-138 522920 5473889 380 330 -50 373.68 128.80 252.50 123.70 101.33 1.26 RENARD ZONE

Including (3) 151.65 165.00 13.35 10.94 2.74

Including (3) 198.50 207.00 8.50 6.96 4.25

Including (3) 231.82 232.50 0.68 0.56 6.91

351.00 371.50 20.50 14.50 0.77

Including (3) 351.00 358.50 7.50 5.30 1.25

NE-19-139 522572 5474000 370 330 -50 186.00 45.00 50.40 5.40 4.14 0.94 RENARD ZONE

63.00 69.00 6.00 4.60 0.92

129.00 132.00 3.00 2.46 3.27

183.00 184.50 1.50 1.23 4.14

NE-19-140 523167 5473856 371 330 -50 501.00 163.50 169.50 6.00 4.60 1.84 RENARD ZONE

222.00 237.00 15.00 12.29 2.26

Including (3) 223.50 225.00 1.50 1.23 9.09

265.00 312.00 47.00 36.00 0.96

Including (3) 304.20 305.00 0.80 0.61 4.57

322.50 331.50 9.00 6.89 0.98

337.50 342.00 4.50 3.45 1.92

385.50 406.50 21.00 16.09 1.13

Including (3) 403.50 405.00 1.50 1.15 4.11

NE-19-141 522604 5474024 370 330 -52 189.00 67.50 70.50 3.00 2.46 1.74 RENARD ZONE

106.50 121.50 15.00 11.49 0.87

NE-19-142 522932 5473970 383 330 -50 318.00 87.60 107.50 19.90 14.07 1.25

181.50 192.00 10.50 9.09 0.97 RENARD ZONE

213.10 220.20 7.10 6.15 0.87

253.50 258.00 4.50 3.90 1.22

270.00 277.50 7.50 6.50 0.87

UTM NAD83 Zone18

page 6 of 7

Table 1: Nelligan Project Drilling Results – 2019 Drilling Program (Continued)

Notes:

1. True widths are estimated at 70 to 94% of the core interval.

2. Drill hole intercepts are calculated with a lower cut of 0.50 g/t Au and may contain lower grade interval of up to 5 metres in

length. They are generally reported with a minimum g*m (or Metal factor) of 5.

3. Assays intervals are reported uncapped and capped at 30 g/t Au and high grade sub-intervals are highlighted.

Hole No. AZ DIP EOH from To Interval True

Width (1) Au (2) (3) NOTE

Easting Northing Elevation (°) (°) (m) (m) (m) (m) (m) (g/t)  

NE-19-143 522480 5473861 370 330 -56 420.00 57.50 94.50 37.00 32.04 1.89 RENARD ZONE

Including (3) 74.40 75.60 1.20 1.04 30.60

108.00 116.00 8.00 6.93 1.11

124.50 127.50 3.00 2.60 1.73

NE-19-144 522886 5473845 380 330 -50 450.00 69.00 75.00 6.00 4.24 0.93 ZONE 36 WEST

105.00 110.35 5.35 3.78 1.50 RENARD ZONE

142.00 158.50 16.50 12.64 1.92

189.00 204.00 15.00 12.29 1.39

211.50 249.00 37.50 30.72 2.00

Including (3) 223.50 228.00 4.50 3.90 9.49

Including (3) 223.50 225.00 1.50 1.30 20.90

274.00 283.00 9.00 7.37 0.74

295.50 328.50 33.00 27.03 0.68

373.50 397.65 24.15 19.78 0.58

421.50 423.00 1.50 1.23 4.27

NE-19-145 522657 5473749 380 330 -50 522.00 109.50 118.50 9.00 6.36 1.79 ZONE 36 WEST

127.50 131.12 3.62 2.77 1.73

243.99 294.22 50.23 41.15 1.82 RENARD ZONE

Including (3) 251.84 258.40 6.56 5.37 2.48

Including (3) 272.65 273.52 0.87 0.67 20.50

Including (3) 276.50 287.13 10.63 8.71 2.93

314.80 332.80 18.00 14.74 1.01

Including (3) 320.80 322.30 1.50 1.23 5.40

410.80 432.00 21.20 17.37 0.66

NE-19-146 522763 5473649 381 330 -50 621.00 72.85 77.35 4.50 3.45 1.30 ZONE 36 WEST

335.80 351.97 16.17 11.43 0.95 RENARD ZONE

373.80 404.40 30.60 21.64 2.87

Including (3) 382.20 383.70 1.50 1.06 24.40

413.50 435.70 22.20 15.70 0.69

449.00 481.40 32.40 22.91 0.93

Including (3) 449.00 461.90 12.90 9.12 1.50

524.35 539.35 15.00 12.29 1.46

548.05 573.50 25.45 20.85 0.76

Including (3) 548.05 558.65 10.60 8.68 1.07

NE-19-147 522906 5473590 379 330 -50 699.00 129.00 148.00 19.00 16.45 1.02 ZONE 36 WEST

183.00 190.50 7.50 6.50 0.95 RENARD ZONE

197.10 242.80 45.70 39.58 0.84

Including (3) 208.50 230.50 22.00 19.05 1.05

264.00 278.00 14.00 12.12 0.51

399.00 405.00 6.00 5.20 0.96

420.00 436.50 16.50 14.29 1.35

457.50 483.00 25.50 22.08 1.92

Including (3) 458.40 465.00 6.60 5.72 4.48

510.00 526.50 16.50 13.52 1.35

532.50 556.50 24.00 19.66 1.09

609.00 621.25 12.25 10.03 0.94

658.50 663.00 4.50 3.69 2.90

Including (3) 661.50 663.00 1.50 1.23 7.84

670.50 691.75 21.25 17.41

3.41 (2.77

capped at

30g/t)

Including (3) 673.50 675.00 1.50 1.23 39.10

NE-19-148 522682 5473900 377 330 -50 321.00 69.50 79.50 10.00 8.19 0.61 RENARD ZONE

103.50 108.00 4.50 3.90 1.17

124.50 130.50 6.00 4.91 5.02

197.30 205.50 8.20 6.72 0.70

288.00 295.50 7.50 6.50 0.80

NE-19-149 522741 5473904 380 330 -50 342.00 94.80 109.70 14.90 12.90 1.39 RENARD ZONE

117.00 134.25 17.25 14.94 5.30

143.60 174.75 31.15 30.09 1.03

Including (3) 143.60 144.90 1.30 1.26 7.38

186.80 209.20 22.40 19.40 0.75

UTM NAD83 Zone18

page 7 of 7

Figure 1: Nelligan drill hole plan map and highlighted 2019 assay results.

NELLIGAN PROJECT

HOLES NE

-

19

-

122 TO NE

-

19

-

149

NE-19-134

25.0 m grading 1.19 g/t Au

14.0 m grading 2.26 g/t Au

Incl. 4.0 m / 5.92 g/t Au

59.0 m grading 0.90 g/t Au

Incl. 4.5 m / 2.21 g/t Au

Incl. 2.5 m / 5.02 g/t Au

NE-19-146

30.6 m grading 2.87 g/t Au

Incl. 1.5 m / 24.4 g/t Au

32.4 m grading 0.93 g/t Au

NE-19-149

17.3 m grading 5.30 g/t Au

31.2 m grading 1.03 g/t Au

NE-19-147

45.7 m grading 0.84 g/t Au

Incl. 22.0 m / 1.05 g/t Au

16.5 m grading 1.35 g/t Au

25.5 m grading 1.92 g/t Au

24.0 m grading 1.09 g/t Au

21.3 m grading 3.41 g/t Au

Incl. 1.5 m / 39.1 g/t Au

LEGEND

2019 IAMGOLD drill holes disclosed

2019 IAMGOLD drill holes –

previously disclosed

Previous IAMGOLD drill holes

Historical drill holes

Lakes

Bush roads and trails

NE-19-123

22.8 m grading 1.06 g/t Au

50.0 m grading 0.88 g/t Au

Incl. 15.0 m / 1.57 g/t Au

NE-19-126

34.5 m grading 1.75 g/t Au

Incl. 7.0 m / 4.69 g/t Au

20.8 m grading 1.54 g/t Au

NE-19-130

10.5 m grading 1.49 g/t Au

22.5 m grading 1.42 g/t Au

NE-19-132

68.0 m grading 0.91 g/t Au

Incl. 22.5 m / 1.42 g/t Au

NE-19-131

32.8 m grading 1.66 g/t Au

33.0 m grading 1.11 g/t Au

NE-19-138

123.7 m grading 1.26 g/t Au

Incl. 8.5 m / 4.25 g/t Au

NE-19-140

15.0 m grading 2.26 g/t Au

47.0 m grading 0.96 g/t Au

21.0 m grading 1.13 g/t Au

NE-19-143

37.0 m grading 1.89 g/t Au

Incl. 1.2 m / 30.6 g/t Au

NE-19-144

16.5 m grading 1.92 g/t Au

37.5 m grading 2.00 g/t Au

Incl. 4.5 m / 9.49 g/t Au

Incl. 1.5 m / 20.9 g/t Au

NE-19-145

50.2 m grading 1.82 g/t Au

Incl.6.6 m / 2.48 g/t Au

Incl. 0.9 m / 20.5 g/t Au

Incl. 10.6 m / 2.93 g/t Au

NE-19-127