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 hosts 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: adrian@midnightsunmining.com

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 Oxide 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 actions;
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.