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Midnight Sun Files Technical Report for Kazhiba Main Copper Oxide Project

Resource Estimates Technical Reports (NI 43-101)

Midnight Sun Files Technical Report for Kazhiba Main Copper

Oxide Project

Vancouver, British Columbia, March 9th, 2026 – Midnight Sun Mining Corp. (TSXV:

MMA / OTCQX: MDNGF) (“Midnight Sun” or the “Company”) announces that, further

to its news release dated January 20, 2026 , it has filed a Technical Report for its

Kazhiba Main copper oxide project located in Solwezi, Zambia.

The technical report was prepared by DMT Kai Batla PTY Ltd. in accordance with

National Instrument 43-101– Standards for Disclosure for Mineral Projects. It has an

effective date of January 20, 2026, with Ms. Mpai Motloung acting as the main author

and Mr. Dexter Ferreira as the Qualified Person. The technical report titled “ NI 43-

101 Mineral Resource Estimate Technical Report on Kazhiba Main Copper Oxide

Project, Solwezi, Zambia” has been filed on the SEDAR+ website

at www.sedarplus.ca and will be posted on the Company’s website

at www.midnightsunmining.com.

About Midnight Sun

Midnight Sun is rapidly advancing the Solwezi Copper Project, with a focus on our

flagship Dumbwa Target. The Project is located near the town of Solwezi in the heart

of the Zambia–Congo Copperbelt, the world’s second- largest copper- producing

region. This prolific mining district host s multiple major copper deposits , and

benefits from excellent infrastructure, an established mining workforce, and a long

history of successful production.

Led by an experienced geological team with a proven track record of major

discoveries in the Zambia –Congo Copperbelt and globally, Midnight Sun’s goal is to

delineate Zambia’s next generational copper deposit.

ON BEHALF OF THE BOARD OF MIDNIGHT SUN MINING CORP.

Al Fabbro

President & CEO

For Further Information Contact:

Adrian O’Brien

VP Business Development and Communications

Tel: +1 604 809 6890

Em: [email protected]

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

TERM IS DEFINED IN THE POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS

RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS NEWS RELEASE.

This news release contains “forward -looking statements” and "forward -looking

information" (collectively, "forward-looking statements") within the meaning of applicable

Canadian securities legislation. Forward-looking statements in this news release include ,

but are not limited to, statements regarding the Company's plans and expectations for

future exploration and development activities. Such forward- looking statements are

based on various assumptions and factors that may prove to be incorrect, including but

not limited to assumptions about: copper prices; exchange rates; processing and recovery

rates that can be achieved; mining and processing costs; the results of future metallurgical

testwork; the ability to obtain necessary permits and approvals; the availability of

financing; and general business and economic conditions.

Forward-looking statements involve known and unknown risks, performance uncertainties

and other factors which may cause the actual results, or achievements of the Company to

be materially different from any future results, performance or achievements expressed

or implied by such forward -looking statements . Such risks and uncertainties include ,

among others: the mineral resources disclosed herein are not mineral reserves and do not

have demonstrated economic viability; there is no assurance that the mineral resources

can be converted into mineral reserves; the assumptions underlying the mineral resource

estimate, may not be accurate or achievable; there is no assurance that the assumed

mining method, processing method, or recovery rates can be achieved; no metallurgical

test work has been completed on the Kazhiba Main Copper Ox ide Project and actual

recoveries may differ materially from the assumptions used; fluctuations in copper prices

and exchange rates; increases in mining, processing, or capital costs; the preliminary and

conceptual nature of the economic assumptions and pit shell parameters ; risks relating

to the timing and ability of the Company to obtain regulatory approvals; risks relating to

the Company's ability to monetize the deposit or obtain financing; risks inherent in

mineral exploration and development ; the availability of contractors and equipment ;

geopolitical risks ; environmental risks; community and non- governmental ac tions;

political risks; and the global economic climate. The Company cautions that the foregoing

list of factors is not exhaustive. Further information regarding risks and uncertainties is

included in the Company's continuous disclosure filings available on SEDAR+ at

www.sedarplus.ca. The Company does not undertake, and assumes no obligation, to

update or revise any such forward- looking statements or forward -looking information

contained herein to reflect new events or circumstances, except as may be required by

law. Readers are cautioned not to place undue reliance on forward-looking statements.