CALGARY, ALBERTA

• Decades of exploration data highlight a large gold-copper mineralized system at Kena that extends beyond the historic mineral resourceestimate of 2.77 million inferred ounces at an average grade of 0.486 g/t Au and 0.561 million indicated ounces at an average grade of 0.544 g/t Au of gold* and remains open in multiple directions and at depth.
• Integrated geological, geophysical and geochemical data outline a mineralized trend extending at least seven kilometres along strike, highlighting significant expansion potential across the Kena Property.
• Multiple priority gold-copper drill targets have been identified for the 2026 program, including the potential to define a second major mineralized zone within the Kena Copper Zone.

Upside Gold Corp. (“Upside” or the “Company”) is pleased to provide a progress update for its 10,115 hectares Kena Gold-Copper Property (“Kena” or “Property”) located in southeastern British Columbia focusing on the ongoing compilation work of historic exploration for the Property.

The compilation of digital exploration data was supported and verified through the review of selected historical analog documentation and fieldwork completed during 2025. This work involved reviewing and organizing the Property’s geological, geochemical and geophysical survey database from exploration conducted from 1974 to the present, resulting in an updated the digital 3D exploration model for the Property.

“This compilation work has significantly improved our understanding of the Kena mineralized system,” said Dr. Trevor Boyd, Vice President, Exploration of Upside Gold. “Integrating decades of exploration data into a modern 3D model is helping us identify areas where mineralization may extend beyond the historic resource and focus our 2026 drilling on the most promising expansion targets.”

Kena Property Drillhole Database

During the compilation of the Property drillhole database, it became evident that its 24,200 core samples largely recorded only Au geochemical results, even though over 90% of the historic drilling included multi-element analytical analyses. As part of the program, minor and accessory elements were reviewed, and silver and copper results were systematically extracted from the compiled digital and analog analytical certificates and added to the master drillhole database. This was conducted to achieve a fuller understanding of the geochemical character and potential metal value of the mineralized material on the Property.

The compilation identified a wide range of copper and silver concentrations both within and outside the historic Mineral Resource*. Copper values reach up to 71,800 ppm, with more than 2,900 samples exceeding 500 ppm Cu, while silver values reach up to 145 ppm, with over 2,650 samples exceeding 1 ppm for Ag. These results occur within a drillhole database containing 6,300 samples grading greater than 0.25 g/t Au, with samples widths ranging from 0.5 to 6 metres and averaging 1.87 metres. Based on a preliminary review, the addition of copper and silver data to the database is expected to demonstrate the potential for significant additional value within the project.

Compilation of Kena Property Historic Exploration

The integration of the mapped geology and structural interpretation with the geophysical survey results supports the conclusion that mineralization at Kena is being predominantly structurally controlled by a major steeply dipping, southeast-trending hydrothermally altered fault zone known as the Kena Deformation Zone. This structure marks the contact between the Silver King Porphyry intrusive and Elsie Group intermediate volcanic rocks and is characterized by a dominant low magnetic signature that can be traced for at least 11 kilometres along strike, into the southern half of the Property as illustrated in the Company’s February 3, 2026 news release. Flanking gold-copper bearing intermediate to felsic porphyry intrusive bodies exhibits variably higher magnetic signatures.

Induced polarization (IP) surveys covering much of the northern portion of the Property, identify zones of high chargeability and low resistivity that support the definition of the disseminated pyrite-hosted mineralization both within the four kilometer strike Kena lode gold body and for at least an additional three kilometers, along strike to the southeast, suggesting a total strike length of at least seven kilometres, and defining similar anomalies laterally along the northeastern margin of the deposit.

Sporadic historic drilling of these anomalies outside the Kena historic Mineral Resource* to date has returned wide intervals of both lode and porphyry-style gold and copper mineralization, including at or near surface of 117 metres of 0.22% Cu and 0.14g/t Au, 88.69 metres of 0.13% Cu and 0.21 g/t Au, 210 metres of 0.17% Cu and 0.13 g/t Au, and 106 metres of 0.15% Cu, 0.18 g/t Au within the Kena Copper Zone, as well as 90 metres of 0.9 g/t Au and 115 metres of 0.67 g/t Au and 0.05% Cu in the adjacent South Gold Zone.

The addition of the extensive historic soil survey database to the exploration model, covering similar to the IP surveys, is consistent with the current geological model. Copper and gold geochemical anomalies are spatially associated with favorable IP and magnetic signatures. High soil gold anomalies also cover broad areal expanses southwest of the Kena lode gold body, consistent with geological interpretation that mineralization is associated with open, variably southwest-dipping high-grade shoots connected by low-grade gold-bearing halos that extend southwestward at depth beyond the boundaries of the Kena Historic Mineral Resource*. The resultant integrated 3D exploration model supports the open-ended historic drilling intersects remain open laterally, along strike, and at depth beyond the defined Kena historic Mineral Resource*

Summary

As summarized in, and as a follow-up to, the Upside Gold February 3, 2026 news release, the results of the compilation and integration of the database support the conclusion by the Company that a major gold-copper mineralized system exists within the Kena Gold-Copper Property that extends beyond the boundaries of the presently defined lode gold body and remains open both laterally, along strike, and at depth. In particular, favourable geological, geochemical and geophysical signatures immediately to the northeast and southeast support the presence of major surface to near surface Cu-Au porphyry bodies which require detailed diamond drilling and have potential to add considerable volumes of mineralized material to the project.

The majority of the first priority gold-copper diamond drill targets for 2026 will focus on testing along strike to the southeast within the Kena Copper Zone, with the goal of demonstrating sufficient continuity and grade to define a second major mineralized zone on the Property. In addition, the work supports the belief that the precious metal and copper mineralized system also extends across much of the southern half of the Property, which has never undergone diamond drilling or detailed exploration.

The Kootenay region of southeastern British Columbia has been largely overlooked for gold and copper exploration in the past, and as such, offers opportunities for both new discoveries and the development of known historic prospects into viable mineralized bodies.

The information in this press release has been reviewed and approved by Trevor Boyd, P.Geo., Vice President, Exploration of the Company and a Qualified Person for the technical information under NI 43-101 standards.

For more information on Upside Gold Corp., please visit the Company’s website at www.upsidegoldcorp.com.

On behalf of Upside Gold Corp.

Sophy Cesar

CEO and Director

(403) 650-7718

[email protected]

www.upsidegoldcorp.com

About Upside Gold Corp.

Upside Gold Corp. is a Canadian gold-copper exploration company that has entered into an option agreement to acquire a 100% interest in the Kena Gold-Copper Project, located in southeastern British Columbia, approximately 7 kilometres southwest of Nelson. The Kena Project consists of 198 mineral claims covering 10,114.8 hectares, together with 11 crown grants covering approximately 92 hectares.

The Company is focused on advancing the Kena Gold-Copper Project through systematic exploration and drilling programs.

• The Kena Project hosts a historical gold resource comprising an Indicated Mineral Resource of 32,146,000 tonnes at an average grade of 0.544 g/t Au for 0.561 million ounces of gold, and an Inferred Mineral Resource of 177,507,000 tonnes at an average grade of 0.486 g/t Au for 2.77 million ounces of gold. The historical resource estimate is disclosed in the technical report entitled “NI 43-101 Resource Estimate for the Kena and Daylight Properties” prepared by Sue Bird, P.Eng. of Moose Mountain Technical Services, dated May 3, 2021, and filed on SEDAR on behalf of West Mining Corp.

A Qualified Person, as defined by National Instrument 43-101, has not done sufficient work to classify the historical estimate as current mineral resources, and Upside Gold Corp. is not treating the historical estimate as current mineral resources. The historical estimate is provided for information purposes only and should not be relied upon. To upgrade the historical estimate as current mineral resource additional drilling needs to be completed. The historical estimate uses the categories set out in section 1.2 of the NI-43-101. The parameters and assumptions used are outlined in Bird 2021 and are provided as follows:

1. Resources are reported using the 2014 CIM Definition Standards and were estimated using the 2019 CIM Best Practices Guidelines.

2. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability.

3. The Mineral Resource has been confined by a “reasonable prospects of eventual economic extraction” pit using the following assumptions: US $2,000/oz. Au at a currency exchange rate of 0.77 US$ per $CDN; 99.95% payable Au; $4.30/oz Au offsite costs (refining, transport and insurance); a 3% NSR royalty; and uses a 88% metallurgical recovery for gold.

4. Pit slope angles are assumed at 45º.

5. The specific gravity of the deposit has been assigned as 2.8 based on sg measurements in the Kena deposit

Caution Regarding Forward-Looking Information

This news release contains forward-looking information that involves substantial known and unknown risks and uncertainties, most of which are beyond the control of Upside Gold. Forward-looking statements include estimates and statements that describe Upside Gold’s future plans, objectives or goals, including words to the effect that Upside Gold or its management expects a stated condition or result to occur. Forward-looking statements may be identified by such terms as “believes”, “anticipates”, “expects”, “estimates”, “may”, “could”, “would”, “will”, or “plan”. Since forward-looking statements are based on assumptions and address future events and conditions, by their very nature they involve inherent risks and uncertainties. Although these statements are based on information currently available to Upside Gold, Upside Gold provides no assurance that actual results will meet management’s expectations. Risks, uncertainties and other factors involved with forward-looking information could cause actual events, results, performance, prospects and opportunities to differ materially from those expressed or implied by such forward-looking information. Forward looking information in this news release includes, but is not limited to, Upside Gold’s objectives, goals or future plans, statements, details of the exploration results, potential mineralization, Upside Gold’s portfolio, treasury, management team and enhanced capital markets profile, the timing of the Transaction, the estimation of mineral resources, exploration and mine development plans, timing of the commencement of operations and estimates of market conditions.

Factors that could cause actual results to differ materially from such forward-looking information include, but are not limited to, failure or inability to complete the Transaction on the terms as announced or at all, regulatory approval processes, failure to identify mineral resources, delays in obtaining or failures to obtain required governmental, regulatory, environmental or other project approvals, political risks, inability to fulfill the duty to accommodate First Nations and other indigenous peoples, uncertainties relating to the availability and costs of financing needed in the future, changes in equity markets, inflation, changes in exchange rates, fluctuations in commodity prices, delays in the development of projects, capital and operating costs varying significantly from estimates and the other risks involved in the mineral exploration and development industry, and those risks set out in Upside Gold public documents filed on SEDAR. Although Upside Gold believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Upside Gold disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.