Grande Portage Resources Ltd. Starts Drilling at its Herbert Gold Project, SE Alaska

280 - 1090 West Georgia Street

Vancouver, British Columbia. V6E 3V7

Grande Portage Resources Ltd. Starts Drilling at its

Herbert Gold Project, SE Alaska

VANCOUVER, BC, June 20, 2 023 – Grande Portage Resources Ltd. (TSX-V “GPG”); (OTCQB:

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

commenced yesterday at it 100% controlled Herbert Gold project in SE Alaska.

The Company expects to drill approximately 15 -20 holes from up to four different platforms which will test

numerous separate primary veins and their satellitic structures. The upcoming drill program is a continuation

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

system with very encouraging results. The drill program will target many geologically promising high value

targets at the Main, Goat, Deep Trench, Ridge, and Sleeping Giant veins from multi ple locations and is

expected to conclude by November 1, 2023.

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 over seven million ounces of

gold. The Company’s updated NI#43 -101 Mineral Resource estimate reported at a base case mineral

resources cut -off grade of 3.0 grams per tonne gold (g/t gold) and consists of: an indicated resource of

1,196,800 ounces of gold at an average grade of 10.23 g/t gold (3,637,000 tonnes); and an inferred resource

of 325,900 ounces of gold at an average grade of 8.91 g/t gold (1,138,000 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

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TERM IS DEFINED UNDER THE POLICIES OF THE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE

ADEQUACY OR ACCURACY OF THIS NEWS RELEASE