Cosa Resources Hires Award Winning Uranium Geologist Justin Rodko

Vancouver, April 13, 2023 - Cosa Resources Corp. (CSE:COSA) ("Cosa Resources" or the "Company") is pleased to announce the appointment of Justin Rodko as Corporate Development Manager and also announces the voting results from its annual general meeting.

Mr. Rodko is a Professional Geoscientist with nearly a decade of uranium exploration experience in Saskatchewan and Nunavut. Joining IsoEnergy shortly after the company's inception, and quickly progressing to Senior Geologist, Justin played a key role in discovering and advancing the Hurricane deposit to its status as the world's highest grade Indicated Mineral Resource in uranium. For these accomplishments Justin was awarded the AME 2022 Colin Spence Award for excellence in global mineral exploration alongside other current Cosa team members, Steve Blower, Andy Carmichael and Craig Parry. Mr. Rodko's previous uranium experience includes working at Orano's (formerly AREVA) Waterbury Cigar and Waterbury UEM projects as well as NexGen's Arrow Deposit in the Athabasca Basin, and Orano's Kiggavik project in Nunavut. Justin holds a BSc degree in Geology from the University of Regina.

Keith Bodnarchuk, President and CEO, commented: "We are excited to add Justin Rodko to the Cosa team. Justin brings an excellent track record in uranium exploration which includes being an essential member of the Hurricane deposit discovery team. Justin has always shown a penchant for capital markets and corporate strategy and will leverage his tremendous past technical success in his role in Corporate Development. In just over 12 months since Cosa's IPO, we have built an industry leading team and assembled a land package of >100,000ha in the prolific Athabasca Basin. We look forward to getting to work to explore and advance our projects.

Justin Rodko, Corporate Development Manager commented: "I am thrilled to join the team at Cosa and am thankful for the opportunity to apply my technical knowledge to advancing Cosa's existing projects while working towards expanding our portfolio into areas that have been underexplored and underappreciated. Though the Athabasca Basin is becoming saturated with new explorers, our experience with the Hurricane discovery puts this group in a unique position to identify and aggressively pursue future opportunities. This is a familiar team for me, and I look forward to sharing new successes as we work towards establishing Cosa as the Athabasca Basin's next junior explorer of choice."

Annual General Meeting

Cosa Resources is pleased to announce the voting results from its Annual General and Special Meeting of Shareholders (the "Meeting"), held on April 12, 2023.

Shareholders voted in favour of all matters of business before the Meeting. Each of those matters is set out in detail in the Management Information Circular published in connection with the Meeting, which is available on the Company's website www.cosaresources.ca.

A total of 11,528,356 common shares, representing approximately 34.15% of the Company's outstanding common shares, were voted in person and by proxy at the Meeting. Shareholders voted in favour of (a) reappointing D&H Group LLP as auditors of the Company (99.13% in favour), (b) setting the number of directors at five (100% in favour), and (d) ratifying and approving the Company's advanced notice policy (99.13% in favour).

Election of Directors

The following nominees listed in the Management Information Circular were elected as directors of the Company until the next annual meeting of shareholders or until the successors are elected or appointed, with the voting results being as follows:

About Cosa Resources

Cosa Resources is a Canadian mineral exploration company based in Vancouver, BC and focused on the exploration of its uranium properties in northern Saskatchewan. The portfolio includes five uranium exploration properties: Ursa, Orion, Castor, Charcoal, and Helios, totaling over 100,000 ha in the eastern Athabasca Basin.

The team behind Cosa Resources has a track record of success in Saskatchewan, with several decades of combined experience in uranium exploration, discovery, and development in the province.

Contact

Keith Bodnarchuk, President and CEO

info@cosaresources.ca

+1 888-899-2672 (COSA)

Cautionary Statements

Neither the Canadian Securities Exchange nor the Market Regulator (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes certain "Forward?Looking Statements" within the meaning of applicable securities laws. When used in this news release, the words "anticipate", "believe", "estimate", "expect", "target", "plan", "forecast", "may", "would", "could", "schedule" and similar words or expressions, identify forward?looking statements or information. These forward looking statements or information relate to, among other things: the exploration, development, and production at the Company's mineral projects.

Forward?looking statements and forward?looking information relating to any future mineral production, liquidity, enhanced value and capital markets profile of the Company, future growth potential for the Company and its business, and future exploration plans are based on management's reasonable assumptions, estimates, expectations, analyses and opinions, which are based on management's experience and perception of trends, current conditions and expected developments, and other factors that management believes are relevant and reasonable in the circumstances, but which may prove to be incorrect. Assumptions have been made regarding, among other things, the price of metals; no escalation in the severity of the COVID-19 pandemic; costs of exploration and development; the estimated costs of development of exploration projects; the Company's ability to operate in a safe and effective manner.

These statements reflect the Company's respective current views with respect to future events and are necessarily based upon a number of other assumptions and estimates that, while considered reasonable by management, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance, or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward?looking statements or forward-looking information and the Company has made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: the Company's dependence on one mineral project; precious metals price volatility; risks associated with the conduct of the Company's mining activities; regulatory, consent or permitting delays; risks relating to reliance on the Company's management team and outside contractors; the Company's inability to obtain insurance to cover all risks, on a commercially reasonable basis or at all; currency fluctuations; risks regarding the failure to generate sufficient cash flow from operations; risks relating to project financing and equity issuances; risks and unknowns inherent in all mining projects; contests over title to properties, particularly title to undeveloped properties; laws and regulations governing the environment, health and safety; the ability of the communities in which the Company operates to manage and cope with the implications of COVID-19; the economic and financial implications of COVID-19 to the Company; operating or technical difficulties in connection with mining or development activities; employee relations, labour unrest or unavailability; the Company's interactions with surrounding communities; the speculative nature of exploration and development; stock market volatility; conflicts of interest among certain directors and officers; lack of liquidity for shareholders of the Company; litigation risk; and the factors identified in the Company's public disclosure documents. Readers are cautioned against attributing undue certainty to forward?looking statements or forward-looking information. Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be anticipated, estimated or intended. The Company does not intend, and does not assume any obligation, to update these forward?looking statements or forward-looking information to reflect changes in assumptions or changes in circumstances or any other events affecting such statements or information, other than as required by applicable law.

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