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NEXG.V ·

NexGold Initiates VTEMTM and FALCON® Gravity Airborne Geophysical Surveys at Goldboro and Announces Appointment of New Board Member

Corporate Updates

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NEWS RELEASE TSXV: NEXG | OTCQX: NXGCF May 12, 2026

NexGold Initiates VTEMTM and FALCON® Gravity Airborne

Geophysical Surveys at Goldboro and Announces

Appointment of New Board Member

TORONTO, May 12, 2026 – NexGold Mining Corp. (TSXV: NEXG; OTCQX: NXGCF) (“NexGold” or

the “Company”) is pleased to announce that it has initiated a 2,496-line kilometre helicopter airborne

Versatile Time Domain Electromagnetic Survey Plus (“VTEMTM Plus”) survey and a 2,656-line kilometre

FALCON® fixed -wing airborne gravity gradiometer survey over its 32,007 hectares (~ 320 km2) of

prospective exploration land at the Goldboro Gold Project (“Goldboro”). The surveys are expected to be

completed in the second quarter of 2026 and are intended to support the development of additional

exploration targets for follow -up regional exploration programs, as well as to further characterize the

Goldboro Gold Deposit and its regional geological controls.

Kevin Bullock, President and CEO commented:

“We are pleased to commence both VTEMTM and FALCON® gravity surveys at the Goldboro Project.

These surveys will be integrated with existing geological and geochemical data to support ongoing

exploration efforts and to further characterize the Goldboro Gold Deposit. The resulting geophysical

signatures are expected to assist in identifying additional exploration targets based on geological features

associated with similar styles of gold mineralization.

While the Company remains focused on completing the updated Goldboro Feasibility Study, it continues

to advance the broader exploration potential of the Goldboro Project with the objective of identifying

additional mineralized zones beyond the current Mineral Resource. The discovery of satellite deposits

could present opportunities to leverage planned mine and mill infrastructure at Goldboro and potentially

support a longer-life, centralized milling operation.”

Board of Directors Appointment

NexGold is pleased to announce the appointment of David Anthony to its Board of Directors. Mr. Anthony

brings more than 40 years of global experience in mine development and operations, having held senior

management and executive roles overseeing the full mine life cycle, including mine and process plant

design, permitting, construction, and ope rations. He is currently President and Chief Executive Officer

and a Director of Asante Gold Corporation. Previously, Mr. Anthony served as Chief Operating Officer of

Cardinal Resources Limited prior to its acquisition by Shandong Gold Mining Co., Ltd. Earlier in his

career, he spent 10 years with Barrick Gold Corporation in Africa, where he ultimately served as Chief

Operating Officer of African Barrick Gold.

Mr. Anthony has worked extensively in Canada, Ecuador, Brazil, Indonesia, Chile and Argentina, with

experience designing, building and operating both open pit and underground mining operations. His

project experience spans capital expenditures ranging from approximately $100 million to $3.6 billion,

with annual material movement of up to 65 million tonnes. He holds a Bachelor of Science in Mining and

Mineral Process Engineering from Queen’s University.

Jim Gowans, Chairman of NexGold, commented:

“We are pleased to welcome David to the NexGold Board of Directors. He is a highly experienced mine

builder with deep technical expertise and a strong record of successfully advancing projects from

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exploration through construction and operations. His leadership and global operating experience will be

invaluable as we continue to advance the Goldboro Gold Project and the Goliath Gold Complex.”

Notes on the Geophysical Surveys

The airborne VTEM TM Plus survey is being completed by Geotech Ltd. and comprises high -resolution

time-domain electromagnetics and horizontal gradiometer magnetics. The survey will be flown at 150 -

metre spaced, north-south oriented survey lines with 1.5-kilometre spaced tie lines.

The FALCON® fixed-wing airborne gravity gradiometer survey is being completed by Excalibur Smart

Mapping and is being flown at 150-metre spaced, north-south oriented survey lines.

Technical Disclosure and Qualified Persons

Paul McNeill, P.Geo., VP Exploration of NexGold, is a “Qualified Person” as defined under National

Instrument 43-101 Standards of Disclosure for Mineral Projects and has reviewed and approved the

scientific and technical disclosure contained in this news release on behalf of NexGold.

About NexGold Mining Corp.

NexGold is a gold-focused company with assets in Canada and Alaska. NexGold’s Goldboro Gold Project

is located in Nova Scotia. The Goliath Gold Complex (which includes the Goliath, Goldlund and Miller

deposits) is located in Northwestern Ontario. NexGold a lso owns several other projects throughout

Canada, including the Weebigee-Sandy Lake Gold Project JV, and grassroots gold exploration property

Gold Rock. In addition, NexGold holds a 100% interest in the high-grade Niblack copper-gold-zinc-silver

VMS proje ct, located adjacent to tidewater in southeast Alaska. NexGold is committed to inclusive,

informed and meaningful dialogue with regional communities and Indigenous Nations throughout the life

of all our projects and on all aspects, including creating susta inable economic opportunities, providing

safe workplaces, enhancing social value and promoting community wellbeing.

Further details about NexGold, including the Feasibility Study for the Goldboro Gold Project and the

Prefeasibility Study for the Goliath Gold Complex, are available under the Company’s issuer profile

on www.sedarplus.ca and on NexGold’s website at www.nexgold.com.

Contact:

Kevin Bullock

President & CEO

(647) 388-1842

[email protected]

Orin Baranowsky

Chief Financial Officer

(647) 697-2625

[email protected]

Neither 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. No stock exchange, securities commission or other regulatory authority

has approved or disapproved the information contained herein.

Cautionary Note Regarding Forward-Looking Information

This news release contains or incorporates by reference “forward -looking information” within the meaning of applicable Canadian securities

legislation and “forward-looking statements” within the meaning of applicable U.S. securities laws. Except for statements of historical fact relating

to the Company, certain information contained herein constitutes forward-looking information including, but not limited to information as to the

Company’s strategic objectives and plans, timing and results of the airborne geophysical surveys and potential for upgrading mineral resources,

expected initiatives to be undertaken by management of the Company in identifying exploration opportunities and timing of adv ancement and

completion of technical studies. Generally, forward -looking information is characterized by the use of forward -looking terminology such as

“plans”, “expects” or “does not expect”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “is proje cted”, “anticipates” or

“does not anticipate ”, “believes”, “targets”, or variations of such words and phrases. Forward -looking information may also be identified in

statements where certain actions, events or results “may”, “could”, “should”, “would”, “might”, “will be taken”, “occur” or “be achieved”.

Forward-looking information involves known or unknown risks, uncertainties and other factors, which may cause the actual results, performance

or achievements of the Company to be materially different from those projected by such forward -looking statements. Such factors include,

among others: the plan for, and actual results of, current exploration activities; expectations relating to future exploratio n, development and

production activities as well as growth potential for NexGold’s operations; risks relating to the ability of exploration activities (including drill results)

to accurately predict mineralization; reliance on third -parties, including governmental entities, for mining activities; the ability of NexGold to

complete further exploration activities, including drilling at the Goliath Gold Complex and Goldboro deposits; the ability of the Company to obtain

required approvals; the results of exploration activities; risks relating to mining activities; delays or changes in plans with respect to exploration

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or development projects or capital expenditures; the uncertainty of mineral resources, production and cost estimates; health, safety and

environmental risks; worldwide demand for gold and base metals; gold price and other commodity price and exchange rate fluctuations;

environmental risks; competition; incorrect assessment of the value of acquisitions; ability to access sufficient capital from internal and external

sources; changes in legislation, including but not limited to tax laws, royalties and environmental regulations; and those factors described in the

Management’s Discussion and Analysis for the year ended December 31, 2025 of the Company and in the Company’s most recent disclosure

documents filed under its SEDAR+ profile at www.sedarplus.ca. Although management of the Company has attempted to identify im portant

factors that could cause actual actions, events or results to d iffer materially from those described in forward-looking information, there may be

other factors that cause actions, events or results not to be anticipated, estimated or intended. There can be no assurance that forward-looking

information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information.

Accordingly, readers are cautioned not to place undue reliance on forward-looking information. The forward-looking information contained herein

is presented to assist shareholders in understanding the Company’s the Company’s plans and objectives and may not be appropriate for other

purposes. The Company does not undertake to update any forward-looking information contained herein, except in accordance with applicable

securities laws.