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Grande Portage Resources Announces Mobilization FOR Upcoming Drill Program at the Herbert GOLD Project IN S.e. Alaska

Exploration Programs

280 - 1090 West Georgia Street

Vancouver, British Columbia. V6E 3V7

GRANDE PORTAGE RESOURCES ANNOUNCES MOBILIZATION FOR

UPCOMING DRILL PROGRAM AT THE HERBERT GOLD PROJECT IN

S.E. ALASKA

VANCOUVER, BC, June 3, 2020 – Grande Portage Resources Ltd. (TSX -V “GPG”); (OTCQB:

“GPTRF”); (Frankfurt: “GPB”); (" Grande Portage" or " the Company") is pleased to announce that it has

commenced drill and crew mobilization and expects to commence drilling ahead of schedule on its 100%

controlled Herbert Gold project located in SE Alaska.

Grande Portage intends to drill approximately 15-20 holes from up to four different platforms which will test

up to four separate major veins and their satellit ic structures. The upcoming drill program is a continuation

of previous drilling which successf ully tested multiple gold -quartz veins of the Herbert mesothermal vein

system with very encouraging results.

The current program will further test targets primarily focusing on expansion of the gold bearing Goat, Main,

Deep Trenc h veins and will also test the E lusive vein which has only recently been identified from the

Company’s LiDAR survey.

Ian Klassen, Grande Portage’s CEO commented, “Our geological team has outlined an ambitious program

for 2020. This will involve drilling, surface channel sampling and more metallurgical study. Our project is

well situated in a historically proven and pro lific gold belt. We look forward to building upon the Herbert

resource, a high -grade gold asset that has a current NI compliant mineral resource of 606,500 ounces

(Indicated) of gold at an average grade of 10.03 g/t Au (1,880,500 tonnes); and an inferred r esource of

251,700 ounces of gold at an average grade of 14.15 g/t Au (553,429 tonnes). Past drilling has yielded very

encouraging results including numerous multi ounce assays on several veins including those listed below:”

◼ 37.07 g/t Au over 15.27 meters (Deep Trench vein)

◼ 59.91 g/t Au over 8.08 meters (Deep Trench vein)

◼ 30.24 g/t Au over 9.08 meters (Goat Creek vein)

◼ 28.41 g/t Au over 11.58 meters (Deep Trench vein)

◼ 21.55 g/t Au over 6.46 meters (Main vein)

◼ 15.76 g/t Au over 2.81 meters (Goat Creek vein)

◼ 21.22 g/t Au over 2.25 meters (Main vein)

◼ 13.91 g/t Au over 3.12 meters (Main vein)

***the above mentioned are reported as true widths***

280 - 1090 West Georgia Street

Vancouver, British Columbia. V6E 3V7

- 2 -

Investors are encouraged to visit our website and corporate presentation for a more detailed summary of past

drill results. Please visit our website at www.grandeportage.com

Impact of COVID-19

Grande Portage is carefully monitoring the public health impact of the coronavirus (COVID -19) on a daily

basis. Our first priority is the health and safety of our communities, shareholders, contractors, employees and

other stakeholders. The Grande Portage team has been working closely to ensure all the correct protocols and

safety precautions are in place. The Company will continue to monitor the evolving COVID-19 situation and

will continue to act proactively to protect the health of its workforce.

This news release has been prepared and approved by Carl Hale, CPG, a geologist with more than 40 years of

experience and a Qualified Person as defined under NI #43-101.

About Grande Portage: Grande Portage Resources Ltd. is a publicly traded mineral exploration company focused on the Herbert

Gold discovery situated approximately 25 km north of Juneau, Alaska. The Company holds a 100% interest

in the Herbert property. The Herbert Gold property system is open to length and depth and is host to at least

six main composite vein -fault structures that contain ribbon structure quartz -sulfide veins. The project lies

prominently within the 160km long Juneau Gold Belt, which has produced nearly seven mil lion ounces of

gold. The Company’s recent Mineral Resource estimate is quoted at a base case mineral resources cut -off

grade of 2.50 grams per tonne gold (g/t Au) and consists of: An indicated resource of 606,500 ounces of gold

at an average grade of 10.03 g/t Au (1,880,500 tonnes); and an inferred resource of 251,700 ounces of gold at

an average grade of 14.15 g/t Au (553,429 tonnes).

ON BEHALF OF THE BOARD

“Ian Klassen”

Ian M. Klassen

President & Chief Executive Officer

Tel: (604) 899-0106

Email: [email protected]

www.grandeportage.com

Cautionary Statement Regarding Forward-Looking Information

This news release includes certain "forward -looking statements" under applicable Canadian securities

legislation. Forward-looking statements include estimates and statements that describe the Company’s future

plans, objectives or goals, including words to the effect that the Company or management expects a stated

condition or result to occur. Forward -looking statements may be identified by such terms as “believes”,

“anticipates”, “expects”, “estimates”, “may”, “could”, “would”, “will”, or “plan”. Since forward -looking

statements are based on assumptions and address future events and conditions, by their very nature they

involve inherent risks and uncertainties as described in the Company's filings with Canadian securities

regulators. There can be no assurance that such statements will prove to be accurate, as actual results and

future events could differ materially from those anticipated in such statements. Accordingly, readers should

not place undue reliance on forward -looking statements. The Company disclaims any intention or obligation

to update or revise any forward-looking information, whether as a result of new information, future events or

otherwise, other than as required by law.

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICE PROVIDER (AS THAT TERM IS

DEFINED UNDER THE POLICIES OF THE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR

ACCURACY OF THIS NEWS RELEASE