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Sun Summit Commences Property-Wide Exploration Program Focused on Advancing Multiple Precious Metals Targets at the Buck Project

Exploration Programs

Sun Summit Commences Property-Wide

Exploration Program Focused on Advancing

Multiple Precious Metals Targets at the Buck

Project

Vancouver, British Columbia--(Newsfile Corp. - June 27, 2023) - Sun Summit Minerals Corp. (TSXV:

SMN) (OTCQB: SMREF) has commenced its multi-stage exploration program being conducted across

its 52,000 hectare Buck Project, central British Columbia. The program will

focus on

exploration at

several high-priority precious metals targets, including prospective known targets within the newly

obtained CR property recently acquired from Teck Resources (see

June 1, 2023

news release).

Highlights

Exploration aimed at discovery:

High-priority targets will undergo detailed field work following

up on previous exploration results. The Mount Morice target was

identified

from highly anomalous

gold and silver creek silt samples (see

March 1, 2023

news release). In addition, ~9,000 hectares

recently staked along the south and western boundaries of Buck will be prospected and sampled

in detail (see

March 7, 2023

news release).

Precious metals potential at CR:

Field work will also focus on the recently acquired CR project

(see

June 1, 2023

news release). Previous exploration by others has mapped notable occurrences

of gold and silver mineralization that have only seen limited follow-up exploration to date.

Exploration permits in place:

Property-wide exploration permits will allow drilling to be

conducted throughout the expanded land package.

Drilling has commenced at Buck Main:

Drilling in untested areas at Buck Main has begun

targeting new zones of potential high-grade and bulk-tonnage mineralization. Field exploration will

run concurrently with drilling at Buck Main and is expected to continue through to August.

Sharyn Alexander, Sun Summit's President, stated: "Surface exploration is being conducted across the

project area to advance known targets, following up on encouraging results from the 2022 exploration

program, and will include widespread prospecting, mapping, and sampling campaigns with the aim of

target generation and development of drill targets. It will be a busy summer for Sun Summit, with

expectations to expand and continue field work into the fall. The program will provide steady news flow

from a combination of drill assay results, rock, soil, and silt sampling results, and potential new target

delineation for ongoing exploration and drill testing."

Field Exploration

Surface exploration will include detailed mapping, sampling and prospecting in the area to the west of

Buck Main, specifically at the Mount Morice target and CR property (Figure 1), and will run concurrently

with the drilling at Buck Main.

Figure 1. Exploration target areas at Mount Morice and CR

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/6142/171350_c85725d504216acc_001full.jpg

Work at Mount Morice is following up on highly anomalous gold and silver creek silt samples and will

include mapping and prospecting and infill silt sampling. Geological mapping in 2022 revealed a broad

zone of strong alteration with a stockwork of quartz veins and disseminated pyrite. Stream sediment

samples from eastern drainages on Mount Morice, downslope from the mapped alteration and vein

zones, display highly anomalous gold and silver. Samples returned results well above background based

on regional stream sediment sampling programs, including

0.26 ppm Au and 0.6 ppm Ag

(sample

F193428), and

0.25 ppm Au and 0.4 ppm Ag

(sample F193427; Figure 1).

Field work will also be conducted on the adjoining CR property to the west, and will include

reconnaissance mapping, prospecting and targeted soil and stream sediment sampling. A large

chargeability anomaly, located in the northern section of CR, has seen limited exploration. The anomaly

is associated with strong zinc in soils, as well as rock samples that have returned values of

0.4 g/t Au

and 31.7 g/t Ag

(sample 3233760; Figure 1).

The CR property has seen several exploration campaigns including soil, rock, and silt sampling, airborne

and ground geophysics, as well as diamond drilling. The most significant drill intercepts to date are

reported from the South Zone, and include 68 metres∞ at 0.50% Cu, 0.015% Mo in CR05-03; and 168

metres∞ at 0.37% Cu, 0.017% Mo in CR07-14*.

∞Intervals are downhole core lengths. True widths are unknown.

*Kraft et al, 2019, Year-End Report on Geophysical, Geological and Geochemical Work Conducted During 2019, CR Mineral Tenure, Omineca Mining

Division, BC Ministry of Energy and Mines, AR 39054, 352 p

National Instrument 43-101 Disclosure

This news release has been approved by Sun Summit's Vice President Exploration, Ken MacDonald, P.

Geo., a "Qualified Person" as defined in National Instrument 43-101,

Standards of Disclosure for

Mineral Projects

of the Canadian Securities Administrators. He has also verified the data disclosed,

including sampling, analytical and test data, underlying the technical information in this news release.

Community Engagement

Sun Summit is engaging with First Nations on whose territory the Buck Project is located and is

discussing their interests and identifying contract and work opportunities, as well as opportunities to

support community initiatives. The Company looks forward to continuing to work with local and regional

First Nations as the project continues.

About the Buck Project

The Buck Project is situated in a historic mining district near Houston, B.C., with excellent nearby

infrastructure that allows for year-round, road-accessible exploration.

The project is host to the Buck Main intermediate-sulfidation epithermal-related gold-silver-zinc system.

Most of the mineralization drilled to date at Buck Main consists of long, continuous zones of

disseminated and breccia-hosted, bulk tonnage-style gold-silver-zinc. Vein-hosted, high-grade

mineralization has also been intersected near the center of Buck Main.

Exploration at the Buck Project is focused on investigating the lateral and vertical extent of gold-silver-

zinc mineralization at the Buck Main system, and to define additional drill targets across the entire land

package through systematic exploration programs.

About Sun Summit

Sun Summit Minerals (TSXV: SMN) (OTCQB: SMREF) is a mineral exploration company focused on

expanding its gold, silver, and zinc discovery at its flagship Buck Project located in north-central British

Columbia.

Sun Summit is committed to environmental and social responsibility, with a focus on accountable

development and building respectful and beneficial relationships with Indigenous and local communities.

Further details are available at

www.sunsummitminerals.com

.

Link to Figure

Figure 1:

https://sunsummitminerals.com/wp-content/uploads/2023/06/Fig-1-Buck_MoriceMtn_CR_NR.jpg

For further information, contact:

Sharyn Alexander

President

[email protected]

Roger Blair

Acuity Advisory Corp., Corporate Communications

[email protected]

Tel. 778-588-9606

Forward-Looking Information

Statements contained in this news release that are not historical facts may be forward-looking

statements, which involve risks, uncertainties and other factors that could cause actual results to differ

materially from those expressed or implied by such forward-looking statements. Factors that could cause

such differences, without limiting the generality of the following, include: risks inherent in exploration

activities; the impact of exploration competition; unexpected geological or hydrological conditions;

changes in government regulations and policies, including trade laws and policies; failure to obtain

necessary permits and approvals from government authorities; volatility and sensitivity to market prices;

volatility and sensitivity to capital market fluctuations; the ability to raise funds through private or public

equity financings; environmental and safety risks including increased regulatory burdens; weather and

other natural phenomena; and other exploration, development, operating, financial market and regulatory

risks. Except as required by applicable securities laws and regulation, Sun Summit disclaims any

intention or obligation to update or revise any forward-looking statement, whether as a result of new

information, future events or otherwise, except as required by applicable securities laws.

Neither the TSX Venture Exchange nor the Investment Industry Regulatory Organization of Canada

accepts responsibility for the adequacy or accuracy of this release.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/171350