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WDO.TO ·

Wesdome Announces Early Results from Moss Lake

Corporate Updates

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PRESS

RELEASE

SEPTEMBER 13 2017

TSX:WDO

WESDOME ANNOUNCES EARLY RESULTS FROM MOSS LAKE

Toronto, Ontario – September 13, 2017 – Wesdome Gold Mines Ltd. (TSX: WDO) is pleased to

release early encouraging results from its Moss Lake property located 100 km west of Thunder Bay,

Ontario.

The purpose of the program is to significantly extend mineralization beyond the 2.5 kilometre known

strike length of a conceptual open pit determined in a 2013 Preliminary Economic

Assessment prepared in accordance wit h National Instrument 43 -101 – Standards of Disclosure for

Mineral Projects (“NI 43-101”) for Moss Lake Gold Mines Ltd., a wholly-owned subsidiary of Wesdome

Gold Mines Ltd.

These early drill results (14 holes) have now extended known mineralization over a strike length of 4.5

kilometres. The geophysical expression (IP) extends over a strike length of 8.0 kilometres. D rilling

has been on 200 metre spacing, to rapidly delineate the potential scale of the Moss Lake gold deposit.

Duncan Middlemiss, President and CEO, commented, “These early results are encouraging as they

confirm our thesis that the mineralization continues along the northeast/southwest trend, and the

structure is potentially larger than previously recognized. The land package consolidated by the

Company in 2016 has demonstrated significant potential. We are currently compiling additional

outstanding assays from this year ’s drilling program, to be released in due course. However, at this

time, we have decided to suspend the Moss Lake drill program and focus our exploration efforts at

the Eagle River Mine and Kiena Complex.”

HIGHLIGHTS INCLUDE:

• Hole MLS-17-01: 5.6 m of 1.079 g/t,

(Immediately adjacent 9.3 m of 1.344 g/t,

conceptual pit) 9.0 m of 1.189 g/t and

30.3 m of 1.136 g/t

• Hole MLS-17-04: 7.0 m of 0.938 g/t,

(200 m NE of 5.0 m of 1.638 g/t,

conceptual pit limit) 4.0 m of 1.201 g/t and

8.0 m of 2.071 g/t

• Hole MLS-17-06: 4.0 m of 0.750 g/t,

(400 m NE of 6.6 m of 1.124 g/t,

conceptual pit limit) 5.0 m of 0.739 g/t,

1.0 m of 1.230 g/t and

1.0 m of 3.370 g/t

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• Hole MLS-17-02: 2.3 m of 3.116 g/t,

(600 m NE of 10.6 m of 0.520 g/t,

conceptual pit) 0.4 m of 2.010 g/t,

2.2 m of 0.819 g/t and

2.0 m of 1.167 g/t

• Hole MLS-17-05: 33.2 m of 0.522 g/t,

(1,200 m NE of inc 6.5 m of 1.288 g/t,

conceptual pit) 3.0 m of 0.725 g/t, and

1.6 m of 1.729 g/t

• Hole MLS-17-02: 15.0 m of 0.633 g/t,

(SW pit edge) 6.5 m of 0.706 g/t,

2.5 m of 0.674 g/t and

1.0 m of 3.550 g/t

• Hole MLS-17-06: 2.0 m of 1.264 g/t,

(Immediately SW 12.0 m of 1.030 g/t,

of conceptual pit) 8.0 m of 1.033 g/t,

4.5 m of 1.098 g/t,

17.0 m of 0.813 g/t and

8.0 m of 1.191 g/t

• Hole MLS-17-07: 6.3 m of 0.835 g/t,

(Immediately SW 1.2 m of 6.870 g/t,

of conceptual pit) 6.0 m of 0.621 g/t and

17.2 m of 2.681 g/t

• Hole MLS-17-05: 1.0 m of 1.075 g/t,

(800 m SW of 10.0 m of 1.092 g/t,

pit limit) 1.5 m of 1.790 g/t and

11.0 m of 0.684 g/t

* True widths approximately 70% of corelengths

Gold mineralization at Moss Lake is hosted in a package of sheared, albitized and hematized

intermediate to felsic volcanic rocks cored by a swarm of diorite to sy enite sills. Disseminated and

fracture-controlled pyrite mineralization is found throughout the package which measures up to 600

metres thick.

The Moss Lake deposit has been extensively drilled at 15 to 50 metre spacing over a 2.5 km length

and to depths of 300 metres. It hosts indicated resources of 39,795,000 tonnes at 1.1 gAu/t (1,377,300

oz Au) and additional inferred resources of 50,364,000 tonnes at 1.1 gAu/t (1,751,600 oz Au) as

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described in an independent 43 -101 Technical Report and Preliminary Economic Assessment dated

May 31, 2013, and prepared for Moss Lake Gold Mines Ltd (www.sedar.com).

Wesdome recently consolidated land in the area which previously cons trained the northeast (NE)

conceptual pit limit. Recent I.P. (induced polarization surveys) have traced what we believe to be

potential extensions of pyrite mineralization associated with the Moss Lake Deposit.

Results of the first 14 holes, 7 on the northeast extension and 7 on the southwest extension, are

summarized in Tables 1 and 2 with hole locations illustrated in Figure 1 and listed in Table 3.

TECHNICAL INFORMATION

The technical information in this press release has been reviewed and approved by Robert S.

Middleton, P.Eng., consultant to the Company and an independent “Qualified Person” as defined in

NI-43-101. Analytical determinations on s plit drill core are performed by certified commercial

laboratory ALS Minerals, North Vancouver, B.C., employing fire assay methods, ICP -AES finish on

30 gram fused aliquots. Comprehensive laboratory Quality Control results are provided and

complemented by independent insertion of blind field blanks and commercially-prepared standards.

ABOUT WESDOME

Wesdome Gold Mines is in its 30 th year of continuous gold mining operations in Canada. The

Company is 100% Canadian focused with a pipeline of projects in various stages of development. The

Eagle River Complex in Wawa, Ontario is currently producing gold from two mines, the Eagle River

Underground Mine and the Mishi Open pit, from a central mill. Wesdome is actively exploring its

brownfields asset, the Kiena Complex in Val d’Or, Quebec. The Kiena Complex is a fully permitted

former mine with a 930 metre shaft and 2,000 tonne per day mill. The Company has further upside

at its Moss Lake go ld deposit, located 100 kilometres west of Thunder Bay, Ontario, which is being

explored and evaluated to be developed in the appropriate gold price environment. The Company

has approximately 133.9 million shares issued and outstanding and trades on the T oronto Stock

Exchange under the symbol “WDO.”

For further information, please contact:

Duncan Middlemiss or Lindsay Carpenter Dunlop

President and CEO VP Investor Relations

416-360-3743 ext. 29 416-360-3743 ext. 25

[email protected] [email protected]

8 King St. East, Suite 811

Toronto, ON, M5C 1B5

Toll Free: 1-866-4-WDO-TSX

Phone: 416-360-3743, Fax: 416-360-7620

Website: www.wesdome.com

This news release contains “forward-looking information” which may include, but is not limited to, statements with respect to the future financial or operating

performance of the Company and its projects. Often, but not always, forward-looking statements can be identified by the use of words such as “plans”,

“expects”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”, or “believes” or variations (including negative variations)

of such words and phrases, or state that certain actions, events or results “may”, “could”, “would”, “might” or “will” be taken, occur or be achieved. Forward-

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looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the

Company to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Forward-

looking statements contained herein are made as of the date of this press release and the Company disclaims any obligation to update any forward-looking

statements, whether as a result of new information, future events or results or otherwise. There can be no assurance that forward-looking statements will prove

to be accurate, as actual results and future events could differ materially from those anticipated in such statements. The Company undertakes no obligation to

update forward-looking statements if circumstances, management’s estimates or opinions should change, except as required by securities legislation. Accordingly,

the reader is cautioned not to place undue reliance on forward-looking statements. The Company has included in this news release certain non-IFRS

performance measures, including, but not limited to, mine operating profit, mining and processing costs and cash costs. Cash costs per ounce reflect actual mine

operating costs incurred during the fiscal period divided by the number of ounces produced. These measures are not defined under IFRS and therefore should

not be considered in isolation or as an alternative to or more meaningful than, net income (loss) or cash flow from operating activities as determined in

accordance with IFRS as an indicator of our financial performance or liquidity. The Company believes that, in addition to conventional measures prepared in

accordance with IFRS, certain investors use this information to evaluate the Company's performance and ability to generate cash flow

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Table 1 SIGNIFICANT INTERSECTIONS – NE EXTENSION (MLS)

Hole No.

From

(m)

To

(m)

Corelength*

(m)

Assay

(gAu/tonne)

Comment

MLS-17-01 11.5 17.0 5.5 0.407 Immediately adjacent

36.0 56.3 20.3 0.582 NE conceptual pit limit

inc 48.3 56.3 8.0 0.888

166.6 174.8 8.2 0.817

inc 166.6 172.2 5.6 1.079

194.4 196.4 2.0 0.406

203.3 209.7 6.4 0.434

274.4 314.0 39.6 0.770

inc 283.0 292.3 9.3 1.344

and 305.0 314.0 9.0 1.189

392.0 397.0 5.0 0.949

409.0 411.0 2.0 1.253

467.1 470.0 2.9 1.637

540.7 571.0 30.3 1.136

inc 540.7 550.0 9.3 2.274

and 556.0 564.0 8.0 1.245

MLS-17-02 85.2 86.3 1.1 0.612 600 m NE of pit limit

97.0 99.3 2.3 3.116

167.2 177.8 10.6 0.520

182.7 183.1 0.4 2.010

194.2 196.4 2.2 0.819

206.3 208.3 2.0 1.167

MLS-17-03 No Significant Assays Fenced SE of structure

MLS-17-04 305.0 329.0 24.0 0.737 200 m NE of pit limit

inc 305.0 312.0 7.0 0.938

and 324.0 329.0 5.0 1.638

492.6 498.0 5.4 0.755

550.0 551.3 1.3 1.086

590.0 603.0 13.0 0.646

inc 590.0 594.0 4.0 1.201

661.0 669.0 8.0 2.071

809.0 815.5 6.5 0.692

948.7 952.8 4.1 0.744

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Hole No.

From

(m)

To

(m)

Corelength*

(m)

Assay

(gAu/tonne)

Comment

960.5 963.8 3.3 0.526

974.9 976.8 1.9 0.532

MLS-17-05 35.8 69.0 33.2 0.522 1200 m NE of pit limit

inc 35.8 37.4 1.6 1.186

and 62.5 69.0 6.5 1.288

413.0 416.0 3.0 0.725

586.0 602.6 16.6 0.401

inc 601.0 602.6 1.6 1.729

MLS-17-06 379.9 394.5 14.6 0.434 Partial assays

inc 390.5 394.5 4.0 0.750 received to date

468.8 475.4 6.6 1.124 400 m NE of pit limit

536.0 556.4 20.4 0.478

inc 537.0 542.0 5.0 0.739

561.0 562.0 1.0 1.230

597.5 598.5 1.0 3.370

611.7 619.0 7.3 0.562

625.0 628.0 3.0 0.520

684.6 685.3 0.7 1.495

MLS-17-07 28.0 35.0 7.0 0.419 Fenced SE of structure

* True widths approximately 70% of corelengths based on observed vertical dips

Table 2 SIGNIFICANT INTERSECTIONS – SW EXTENSION (ML)

Hole No.

From

(m)

To

(m)

Corelength*

(m)

Assay

(gAu/tonne)

Comment

ML-17-01 24.0 27.0 3.0 0.398 Overcut structure

47.0 48.0 1.0 1.780

211.0 212.0 1.0 1.730

ML-17-02 26.0 41.0 15.0 0.633 Immediately adjacent

inc 36.5 39.5 3.0 1.375 SE conceptual pit limit

63.5 70.0 6.5 0.706

159.0 161.5 2.5 0.674

180.5 184.0 3.5 0.534

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Hole No.

From

(m)

To

(m)

Corelength*

(m)

Assay

(gAu/tonne)

Comment

198.0 199.0 1.0 3.550

208.0 210.0 2.0 0.647

227.5 229.0 1.5 0.729

ML-17-03 No Significant Assays Fenced SE of structure

ML-17-04 No Significant Assays Overcut structure

ML-17-05 25.0 26.0 1.0 1.075 800 m SW of pit limit

307.0 317.0 10.0 1.092

347.0 348.5 1.5 1.790

394.0 405.0 11.0 0.684

inc 394.0 396.0 2.0 1.903

ML-17-06 242.0 246.0 4.0 0.735 Adjacent SW pit limit

257.0 260.0 3.0 0.749

283.0 285.0 2.0 1.264

299.0 311.0 12.0 1.030

318.0 326.0 8.0 1.033

402.0 406.5 4.5 1.098

416.0 421.0 5.0 0.702

472.0 489.0 17.0 0.813

inc 486.8 489.0 2.2 4.581

528.0 536.0 8.0 1.191

inc 534.0 536.0 2.0 3.995

568.0 573.0 5.0 0.605

ML-17-07 112.0 113.0 1.0 1.890 Adjacent SW pit limit

167.0 173.3 6.3 0.835

180.0 184.0 4.0 0.534

194.5 196.0 1.5 0.880

269.0 270.2 1.2 6.870

314.2 317.5 3.3 0.886

347.0 353.0 6.0 0.621

375.9 376.4 0.5 1.035

380.5 381.6 1.1 0.845

431.2 431.6 0.4 1.300

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Hole No.

From

(m)

To

(m)

Corelength*

(m)

Assay

(gAu/tonne)

Comment

440.9 441.4 0.5 12.000

455.9 473.1 17.2 2.681

inc 467.2 467.6 0.4 59.400

495.0 500.0 5.0 0.679

506.0 513.5 7.5 0.635

* True widths approximately 70% of corelengths based on observed vertical dips

Table 3 DRILL HOLE LOCATIONS

Hole No.

UTM

East

UTM

North

Elevation

Azimuth

(°)

Dip

(°)

Length

(m)

ML-17-01 668191 5378185 450.7 320 -50 299.0

ML-17-02 668306 5378050 439.8 320 -50 434.0

ML-17-03 668624 5377674 431.4 140 -50 164.0

ML-17-04 667577 5377528 436.8 320 -50 432.0

ML-17-05 667706 5377326 440.5 320 -50 521.0

ML-17-06 668535 5377794 438.0 320 -50 662.0

ML-17-07 668381 5377828 449.0 320 -50 669.7

MLS-17-01 670802 5379779 439.6 314 -50 572.0

MLS-17-02 671150 5380264 451.0 140 -50 449.0

MLS-17-03 671557 5380697 450.0 135 -50 434.0

MLS-17-04 671185 5379675 450.0 314 -50 1031.0

MLS-17-05 671560 5380698 423.0 314 -50 621.0

MLS-17-06 671226 5379921 443.0 314 -50 1046.0

MLS-17-07 671599 5380925 443.0 140 -50 581.0

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