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MMA.V ·

Midnight Sun Mining 2018 Exploration Update

Exploration Programs

Midnight Sun Mining - Corporate Office

#1125 - 595 Howe Street, Vancouver, BC Canada V6C 2T5

Tel: +1 (604) 351-8850 Fax: +1 (778) 379-1434

Email: [email protected]

MIDNIGHT SUN MINING 2018 EXPLORATION UPDATE

Vancouver, British Columbia, July 3, 2018 – Midnight Sun Mining Corp. (the “ Company” or

“Midnight Sun ”) (TSX -V: MMA) is approaching completion of its Phase One 2018

exploration program on its Zambian copper-cobalt properties, the Solwezi Group of Licences

(“Solwezi Licences”) . This phase of exploration was designed to further develop an

understanding of the geologic controls and mineralization on the Solwezi Licenses as well as

develop targets for future diamond drilling.

PHASE ONE PROGRAM

Phase O ne of t he 2018 explor ation program employed a series of progressively more

detailed techniques to refine the Company’s comprehension of the geology and

mineralization on the Solwezi Licences. Specific attention was given to the Mitu area, where

copper-cobalt mineralization was confirmed by the 2017 drill program and favourable

geology was established over a 17 kilometre strike length.

Phase One of the 2018 exploration program included the following:

 1,503 metres of diamond drilling;

 10,424 metres of air core drilling;

 34 line kilometres of Natural Sourced Audio Magneto Tellurics (“NSAMT”)

ground geophysics;

 2,684 line kilometres of Versatile Time Domain Electromagnetic airborne

geophysics (“VTEM”) (in progress); and,

 complete re-logging of all historic drill core and geochemical samples.

A team of geologists and data management personnel re-logged all historic drill core and

plotted all soil geochemical samples from previous exploration campaigns. This data has

been uploaded into the company’s geological information system for collection and

compilation, and together with the additional data gathered from this phase , will build an

updated interpretive model to optimize future drill targets.

NSAMT ground geophysics were run over additional areas of the Mitu copper-cobalt target

which were not covered by geophysical lines in the 2017 exploration program. This survey

was conducted on 500 m etre spacings to provide a more detailed view of the position and

distribution of the favourable black shale units which host the identified copper -cobalt

mineralization at Mitu.

Two air core drill rigs drilled a total of 10,424 metres to evaluate the intensity of copper -

cobalt mineralisation in the conductor rocks highlighted by the NSAMT survey s. The results

Midnight Sun Mining - Corporate Office

#1125 - 595 Howe Street, Vancouver, BC Canada V6C 2T5

Tel: +1 (604) 351-8850 Fax: +1 (778) 379-1434

Email: [email protected]

of this evaluation will guide diamond drill holes in Phase T wo of the 2018 exploration

campaign and help ensure drilling is focused on testing significant mineralised conductors.

1,503 metres of diamond drilling were completed, focusing on targets delineated by data

from the 2017 exploration program. Samples have been sent to SGS in Kalulushi for

assaying. All material results will be released when received by the Company.

After minor weather related delays at a previous client, the Company’s airborne geophysical

contractor is now onsite and has initiated a planned 2,684 line kilometre VTEM survey, with

an expected completion date to be the week of July 20th, 2018. This survey will cover the

entirety of the Solwezi Licenses, providing data on all known areas of mineralization: Mitu,

the 22 Zone, Dumbwa, Kifubwe and Khaziba; as well as information on areas previously

unexplored on the Solwezi Licenses.

The Company’s President and Chief Executive O fficer, Brett Richards stated: “We have

significantly advanced our understanding of the regional geology as a result of the activities

in Phase One of our drilling campaign, and I look forward to the results over the coming

weeks. As we have maintained from the beginning of our program, w e intend to be

methodical in our exploration approach to maximizing the size and scale of the

mineralization contained within the Solwezi Licences. After taking a short period of time to

collect, analyse, and interpret all of the newly generated data from Phase One; I believe the

interpretation of the results will guide us systematically through the next phases of

development.”

Please refer to the C ompany’s previous New Releases as well as the Company presentation

on its website at: www.midnightsunmining.com.

ABOUT MIDNIGHT SUN MINING

Midnight Sun has earned a 60% interest in the Solwezi Licences with the potential to acquire

the remaining 40%. The Solwezi Licences are comprised of two individual prospecting

licences totalling 506 km2, situated in the N orth-Western Province of Zambia, adjacent to

First Quantum’s Kansanshi Mine; Africa's largest copper mining complex, on the prolific

Zambia-Congo Copper Belt.

Led by experienced directors and talented management, Midnight Sun aims to further

explore the impressive mineralization and anomalies that have rec ently been discovered on

the Solwezi Licenses.

Midnight Sun Mining Corp. trades on the TSX Venture Exchange under the symbol MMA.

ON BEHALF OF THE BOARD OF MIDNIGHT SUN MINING CORP.

Midnight Sun Mining - Corporate Office

#1125 - 595 Howe Street, Vancouver, BC Canada V6C 2T5

Tel: +1 (604) 351-8850 Fax: +1 (778) 379-1434

Email: [email protected]

Brett A. Richards – President and Chief Executive Officer

For Further Information Contact:

Brett A. Richards Al Fabbro

President and Chief Executive Officer Lead Director

Tel: +1 905 449 1500 Tel: +1 604 351 8850

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER (AS THAT

TERM IS DEFINED IN THE P OLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS

RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS NEW RELEASE.

This news release includes certain statements that may be deemed as “forward -looking

statements”. All statements in this release, other than sta tements of historical facts, the

expected completion of any Offering, and the expected use of proceeds are forward -looking

statements. Although the Company believes the expectations expressed in such forward -

looking statements are based on reasonable assu mptions, such statements are not

guarantees of future performance and actual results or developments may differ materially

from those in forward -looking statements. Factors that could cause actual results to differ

materially from those in the forward -looking statements include: changes in market

conditions, unsuccessful exploration results, changes in the price of commodities

(particularly copper, cobalt, gold and nickel), unanticipated changes in key management

personnel and general social, economic or geo-political conditions. Mining exploration and

development is an inherently risky business. Accordingly , the actual events may differ

materially from those projected in the forward-looking statements. This list is not exhaustive

of the factors that ma y affect any of the Company’s forward -looking statements. These and

other factors should be considered carefully and readers should not place undue reliance on

the Company’s forward -looking statements. The Company does not undertake to update

any forward –looking statement that may be from time to time by the Company or on its

behalf, except in accordance with applicable securities laws.