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ATHA ENERGY ANNOUNCES LOI WITH STALLION DISCOVERIES CORP. TO EARN-IN ON 47 ATHA CLAIMS WITH $12 MILLION IN EXPLORATION EXPENSES ATHA holds the largest reported cumulative exploration package in the Athabasca Basin – one of the

Mergers & Acquisitions Property Options & Staking

NOT INTENDED FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION

IN THE UNITED STATES

ATHA ENERGY ANNOUNCES LOI WITH STALLION DISCOVERIES CORP. TO EARN-IN ON 47 ATHA CLAIMS

WITH $12 MILLION IN EXPLORATION EXPENSES

ATHA holds the largest reported cumulative exploration package in the Athabasca Basin – one of the

world’s most prominent basins for uranium discoveries.

Vancouver, British Columbia , May 16, 2023 – ATHA Energy Corp. (CSE:SASK; FRA: X5U)(“ATHA” or the

“Company”) is pleased to announce that it has signed a binding letter of intent (“ LOI”) with Stallion

Discoveries Corp. (TSXV: STUD) (“Stallion”), whereby the parties will work to negotiate a definitive option

and joint venture agreement (the “ Agreement”) providing Stallion an ability to earn an option (the

“Option”) to acquire a 70% interest in 47 mineral claims in Saskatchewan, Canada (the “ Claims”) by

acquiring the requisite portion of the Company’s current 90% interest, after meeting certain milestones.

The area hosting the Claims is found across the uranium-rich, southwest segment of the Athabasca Basin,

which is home to some of the most promising areas for uranium exploration activity within the region. 1

The Claims span a total of 547,520 acres and are located in an area that is highlighted by several of the

most important uranium discoveries in recent decades. 1

Mike Castanho, CEO of ATHA commented, “ We believe the exploration commitment being made by

Stallion is a testament to the high discovery potential in the SW area of the Athabasca Basin, where many

of our neighbours have had tremendous success. 1 Exploration through partnership continues to be a key

tenant for ATHA as we seek to leverage the largest land position in the Athabasca Basin to create value

for our shareholders.”

Transaction Highlights

Under the terms of the LOI, Stallion may acquire a 70% interest in the Claims by meeting certain

milestones, including the issuance of common shares in the capital of Stallion to ATHA as well as the

accumulation of $12,000,000 in Saskatchewan E xploration Expenditure Credits on the Claims over the

course of five (5) years from the effective date (the “Effective Date”) of the Agreement. These milestones

include:

• Within two days of the Effective Date, Stallion shall issue 3,333,333 Stallion shares to ATHA;

• Within twelve (12) months after the Effective Date, Stallion shall incur $3, 311,770 of

Saskatchewan Exploration Expenditure Credits towards the exploration of the Claims;

• Within sixty (60) months after the Effective Date, Stallion shall incur a further $8,688,230 of

Saskatchewan Exploration Expenditure Credits towards the exploration of the Claims;

Upon exercise of the option, a joint venture agreement (the “Joint Venture Agreement”) shall be entered

into by ATHA and Stallion, with Stallion and ATHA (including the carried over interest of the legacy owner)

holding a 70% and a 30% interest, respectively.

Further details regarding the proposed Option between ATHA and Stallion will be provided in a further

news release if, and when, the parties enter into the Agreement. The Option is subject to the policies of

the Canadian Securities Exchange on the part of ATHA, the approval of the TSX Venture Exchange on the

part of Stallion, execution of the Agreement, and other conditions as set out in the LOI.

Notes:

[1] International Atomic Energy Agency Redbook (2022)

Native Ads

ATHA is also pleased to announce that the Company has entered into a services agreement (the “Services

Agreement”) with Native Ads Inc. (“Native Ads”) to provide certain strategic digital media, marketing and

data analytics services to support ongoing efforts to increase awareness for the Company.

This advertising program will be designed to build brand familiarity and general recognition for the ATHA

brand and raise awareness within online investor content platforms. Native Ads will employ state-of-the-

art digital advertising, paid distribution, media buying , and content creation to execute this important

initiative.

This initial term of the Services Agreement will be for up to six months, or until budget exhaustion, at the

cost of approximately US$180,000. Services provided pursuant to the agreement will include media

placements and distribution and strategic services, including content creation, web development,

advertising creative development, search engine optimization and strategic digital advertising consulting.

ATHA retains the option to extend both the campaign’s duration and budget. The campaign is expected

to commence in the summer of 2023 , with exact timelines to be agreed upon by ATHA and Native Ads.

The Company and Native Ads act at arm’s lengt h, and, to the knowledge of the Company, neither Native

Ads or any of its principals have any interest, directly or indirectly, in the Company or its securities. There

are no performance factors contained in the Services Agreement, and Native Ads will not receive any

securities of ATHA as compensation. Native Ads will provide the services in accordance with the policies

of the Canadian Securities Exchange. The appointment of Native Ads is subject to approval by the

Canadian Securities Exchange.

Qualified Person

The scientific and technical information contained in this news release as it relates to the Claims have

been reviewed and approved by Bill Yeomans, a "qualified person" as defined under National Instrument

43-101 – Standards of Disclosure for Mineral Projects.

About ATHA

ATHA is a mineral exploration company focused on the acquisition, exploration and development of

mineral resource properties. The Company has an option to acquire a 100% interest and title to the Golden

Rose Property located in Northeastern Ontario and has acquired 3. 4 million acres in the Athabasca Basin

in Saskatchewan and Alberta along with a 10% carried interest portfolio of clai ms operated by Nex Gen

Energy Ltd. (TSX: NXE) and IsoEnergy Ltd. (TSX-V: ISO).

For more information visit www.athaenergy.com

About Stallion

Stallion is an exploration company bred to pursue the exploration of large, underexplored land packages

located in the best jurisdictions next to world class projects. Stallion is using modern exploration

techniques to explore historical and new mineral targets on its expansive land packages in Saskatchewan,

Idaho and Nevada with the singular ambition of making significant discoveries. Our leadership and

advisory team are comprised of uranium and precious metals exploration experts with the capital markets

experience and the technical talent for acquiring and exploring early -stage properties with highly

prospective targets.

For more information visit www.stalliondiscoveries.com

About Native Ads

Native Ads Inc. is a full-service advertising agency that owns and operates a proprietary ad exchange with

over 80 integrated SSPs (supply -side platforms) resulting in daily access to three to seven billion North

American ad impressions. It is the only digital agency serving public companies that owns both its own ad

network, as well as a financial publisher network.

Business address: 1055 Dunsmuir St. Vancouver, BC V7X 1L3

Email: [email protected] | Phone: 1 (866) 773-3540

For more information, please contact:

Mike Castanho

Chief Executive Officer and Director

Email: [email protected]

Phone: 778-839-6579

Forward-Looking Information and Statements

Certain information in this news release constitutes forward -looking information. In some cases, but not

necessarily in all cases, forward -looking information can be identified by the use of forward -looking

terminology such as "plans," "targets," "expects" or "doe s not expect," "is expected," "an opportunity

exists," "is positioned," "estimates," "intends," "assumes," "anticipates" or "does not anticipate" or

"believes," or variations of such words and phrases or state that certain actions, events or results "may,"

"could," "would," "might," "will" or "will be taken," "occur" or "be achieved." In addition, any statements

that refer to expectations, projections or other characterizations of future events or circumstances

including, without limitation, statements rega rding the execution of the Agreement and the grant of the

Option thereunder, the ability of ATHA and Stallion to complete their obligations thereunder, the success

and expectations of any exploration activities conducted on the Claims, exchange approval of the Option,

the terms of the Option, the value of any securities of Stallion received by ATHA, the results of the services

received by ATHA under the Services Agreement and the ability of Native Ads to execute its obligations

thereunder all constitute forward-looking information. Statements containing forward -looking

information are not historical facts but instead represent management's expectations, estimates and

projections regarding future events.

Forward-looking information is necessarily based on a n umber of opinions, assumptions and estimates

that, while considered reasonable by ATHA as of the date of this news release, are subject to known and

unknown risks, uncertainties, assumptions and other factors that may cause the actual results, level of

activity, performance or achievements to be materially different from those expressed or implied by such

forward-looking information, including but not limited to risks regarding the uncertain nature of mineral

exploration; commodity pricing; stock market vol atility and general market conditions; changes in global

and regional demand for products; the business prospects of ATHA , Stallion and Native Ads, competition;

inflation; trade uncertainties as a result of, among other things, the COVID -19 pandemic, the R ussian-

Ukrainian war and changes to global trade restrictions and tariffs; the availability of credit on

commercially reasonable terms; foreign exchange risks; legal and regulatory risks (including changes in

law or regulation); risks related to relationships with stakeholders including any first nations or aboriginal

groups; costs of inputs; weather and other acts of god and their impact on activities proposed to by carried

on by ATHA, Native Ads or Stallion; and the factors described in greater detail in the "Risk Factors" section

of ATHA’s final prospectus dated March 23, 2023 available at www.sedar.com. These factors are not

intended to represent a complete list of the factors that could affect ATHA; however, these factors should

be considered carefully. There can be no assurance that such estimates and assumptions will prove to be

correct. There is no assurance ATHA and Stallion will enter into the Agreement or that ATHA, Stallion and

Native Ads will be able to comply with their covenants thereunder and under the LOI and the Services

Agreement, as applicable. The forward-looking statements contained in this news release are made as of

the date of this news release, and ATHA expressly disclaims any obligation to update or alter statements

containing any forward-looking information, or the factors or assumptions underlying them, whether as a

result of new information, future events or otherwise, except as required by law.

Neither the CSE nor its regulation services provider has reviewed or accepted responsi bility for the

adequacy or accuracy of this release.