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Grande Portage Resources Signs Drill Agreement for Upcoming Program at the Herbert Gold Project in S.E. Alaska

Corporate Updates

280 - 1090 West Georgia Street

Vancouver, British Columbia. V6E 3V7

Grande Portage Resources Signs Drill Agreement for Upcoming

Program at the Herbert Gold Project in S.E. Alaska

VANCOUVER, BC, March 15 , 2023 – Grande Portage Resources Ltd. (TSX-V “GPG”); (OTCQB:

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

signed a drill agreement for its upcoming 2023 diamond drill program at the Herbert Gold project in S.E.

Alaska.

NASCO Industrial Services and Supply , whose clients include Hecla Mining, First Majestic Silver, and Rio

Tinto, has been engaged to drill up to 20,000 feet of diamond drill core on the Company's Herbert gold

project. The upcoming drill program, subject to regula tory approval, is expected to start within 90 days and

will consist of one rig utilizing up to six pads to drill approximately 15 holes.

Ian Klassen, the Company's CEO remarked, "We are very excited to start this season's drill program . The

2023 drill program will continue to test a mix of infill and new targeted areas. We have prioritized and will

target many geologically promising high value targets at the Main, Goat, Deep Trench, Ridge and Sleeping

Giant veins from multiple locations. Our geologists have gone to great lengths to ensure that this upcoming

program targets the type of success we have enjoyed over many years building the high -grade Herbert Gold

Project”.

The Herbert Gold Pro ject is host to abundant composite vein -fault s tructures containing ribbon structure

quartz-sulfide veins and lies prominently within the 100 mile long Juneau gold belt, which has produced

millions of ounces of gold through a total depth range of thousands of feet. Individual veins and vein

systems can be traced for over 500 m on average along strike and from surface (130 m above mean sea level)

to depths of 350 m below sea level (open).

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 mill ion 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), as well as an Indicat ed

resource of 686,700 ounces of silver at an average grade of 5.87 g/t silver (3,637,000 tonnes); and an inferred

resource of 169,300 ounces of silver at an average grade of 4.63 g/t silver (1,138,000 tonnes).

280 - 1090 West Georgia Street

Vancouver, British Columbia. V6E 3V7

- 2 -

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 stat ements" 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 stat ed

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 addr ess 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 act ual 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