<img src="https://ml.globenewswire.com/Resource/Download/20b5f309-1c1e-49c9-a05d-793abee0a6c6?size=2" nborder="0" align="left" hspace="5" vspace="5" title="westhaven-logo-horizontal-colour.jpg" alt="Westhaven Gold Corp."/>VANCOUVER, British Columbia, May 13, 2026 (GLOBE NEWSWIRE) -- Westhaven Gold Corp. (TSX-V: WHN) (OTCQB: WTHVF) (“Westhaven” or the “Company”) is pleased to announce that Precision GeoSurveys Inc. (“Precision”), based in Langley British Columbia, has commenced helicopter-borne high-resolution magnetic, radiometric and VLF-EM surveys at the Company’s Shovelnose Gold and Silver Property located in the Spences Bridge Gold Belt, southern British Columbia. These surveys are being funded under a strategic earn-in agreement with Dundee Corporation (“Dundee”), whereby Dundee may earn up to a 60% interest in Westhaven's four Spences Bridge Gold Belt properties through up to CDN$85,000,000 in staged project expenditures. Under the first phase, Dundee has committed a minimum of CDN$30,000,000, inclusive of the geophysical surveys announced today as well as a fully funded 50,000m drill program and Pre-Feasibility work that are presently underway at Shovelnose. The airborne geophysical surveys are part of an integrated 2026 exploration program at Shovelnose and will collect approximately 3,800-line km of data over mineral claims that were acquired by Westhaven in 2024. The core of the Shovelnose property, including the South Zone, FMN and Franz gold deposits, was previously flown by Precision in 2018, using magnetic/radiometric technology and specifications equivalent to the current survey. Data from the original survey work has been instrumental in understanding the geology, interpreting structures and assisting in exploration targeting. The new survey data will be integrated with the earlier survey information, as well as results from property wide geochemical sampling programs completed over the last three years, which suggest potential for additional occurrences of low-sulphidation epithermal systems within the expanded project area, including silicified and clay altered volcanic rocks located approximately 15km southeast of the South Zone, where float, subcrop and outcrop rock grab samples collected in 2025 returned from background levels up to 2.45 g/t Au (96.2 g/t Ag). Please see Westhaven’s news release dated <a href="https://www.globenewswire.com/Tracker?data=Qfm8-VzPUOuPKaHMkoFMS2ZXn48WsEvndJDsoNUDG6IWnkGcTDTcLq7mB5GRgSx9oUvEeZx5RxatUEiIBUeAnvmYzoK0fxJnbA76AHWXn_5TsM0XhBFtVEYr19pOcBJ-zE_QLZN0aIoFCzrtQTDTymDsBAsfZypwo_0feXKyUfZo0VNbjMS4IprOBfDWiGj80kii5NGz4qTTvQbrqr8xxnVqP6ACA17-SxPBSEs-MOsq0a1ha3UCZuQxqU5VX4aov4ojawEMLmj1PrHP5gm1VwNdY27d4G7KA0SN0Dt-p70e6WCHSR60kFGdO6_QsW1awqhSIhGPgwkRhjD2FDXKXU4plaS8pv436QKCtDvMeiK_sV_TYIoPTd1YPWC69ypV" rel="nofollow" target="_blank" title="January 26, 2026">January 26, 2026</a> for details. Data collection is expected to be completed by the end of May, with final data processing and reporting to follow by mid-summer, in time to help guide exploration drilling later this year. ABOUT WESTHAVEN GOLD CORP. Westhaven is a gold and silver focused exploration and development company targeting low sulphidation, high-grade, epithermal style gold and silver mineralization within the Spences Bridge Gold Belt in southern British Columbia. Westhaven controls ~60,263 hectares within four properties spread along this underexplored belt. The Shovelnose gold and silver project is the most advanced property, with a 2025 updated Preliminary Economic Assessment that validates the project’s potential as a robust, low cost and high margin 11-year underground gold mining opportunity with average annual life-of-mine production of 56,000 ounces gold and 313,000 ounces silver with a CDN$454 million after-tax net present value (at a 6% discount rate) and 43.2% IRR (base case parameters of US$2,400 per ounce gold, US$28 per ounce silver and CDN/US$ exchange rate of CDN$1.00=US$0.72).1  On February 23, 2026, Westhaven closed a strategic earn-in agreement with Dundee Corporation, whereby Dundee may earn up to a 60% interest in Westhaven's four Spences Bridge Gold Belt properties through up to CDN$85,000,000 in staged project expenditures. Under the first phase, Dundee has committed a minimum of CDN$30,000,000, inclusive of a fully funded 50,000m drill program and Pre-Feasibility work at Shovelnose. The agreement allows for the accelerated exploration and evaluation of one of Canada's most compelling, undeveloped, high-margin gold and silver assets. Qualified Person The technical and scientific information in this news release has been reviewed and approved by Robin Hopkins, P.Geo. (NT/NU), Vice President, Exploration for Westhaven and a Qualified Person for the Company under the definitions established by National Instrument 43-101 Standards of Disclosure for Mineral Projects. 1 See Westhaven's news release entitled "Westhaven Announces Updated Preliminary Economic Assessment for the Shovelnose Gold Project, British Columbia" and dated <a href="https://www.globenewswire.com/Tracker?data=jxqNxwDeINnpBlWJfrE29aGt-QJXqc1JR-zzpeK_uL7tkbG4qjYNNfWqV3PKnxbNFzlHHuFJ9p2FKvwyZTxAdd5CEXMhiaqg7TLJziB1h2MzuFALnck4LvFRLLrMpFmVFOSmv1akEODDysHHwW6vFn6fODWe-LBB5OVWMTx4XVcxYBVeNCbAOTqhchfRcFEVtPJl8RcMzAATIhlBEpqeXEWr6VZ-nFZOTEDDYQlPRxd8wsXD4UpCNypa9xC9wEXIrcGGS3eGiFgNAHu4zRPYWYWBOTY81uhjXMI-guw2bYOjkIGuKUZtYHgfrhUq6OOrK7SMaBOrMsYxaRclSZqVMihh0sGj2lIRECsSRptN132MXmyVzVYa_JgyKL6H3TdHipS1KD_m6I_72i-R0_6S6qh3UFSgi8239miUpm_37UE=" rel="nofollow" target="_blank" title="">March 3, 2025</a>. ON BEHALF OF THE BOARD OF DIRECTORS OF WESTHAVEN GOLD CORP. “Ken Armstrong” President &amp; CEO For further information, please contact: Kaeli Gattens Vice President, Communications T: 604-681-5558 E: <a href="https://www.globenewswire.com/Tracker?data=jdbYMQujrnfQCk1aRZjr_A0wNhQZRTcrrlvp4qD6YKfZXR6HotkHdGX4ZRBnmLJjEqkTr6CmirN5eIkqO8FHEMjMpxw4xXkXI5_KGsSpCLB8ubzh_LLDvUgPcpB9E1JE" rel="nofollow" target="_blank" title="kgattens@westhavengold.com">kgattens@westhavengold.com</a><a href="https://www.globenewswire.com/Tracker?data=GGSOV9PPvt_zDiXp6ay89lMs58p5r7Mt0V_MlHTlMvIqTrXqiVmIKlo6pI-2LqQ50lESuzvMy2qNAfmiKxYK4w==" rel="nofollow" target="_blank" title=""> </a>W: <a href="https://www.globenewswire.com/Tracker?data=VrAui6LAwqGlFfUYTNG-8rdJfBpGhWuEW2Ja8OKy3g1nYusUqakUnB58jO8SgjhgtNxWmbuIV7IwOKcUdhQfROB51E7eWJcY1zG2V2GVOaI=" rel="nofollow" target="_blank" title="www.westhavengold.com">www.westhavengold.com</a> 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 release Forward-Looking Statements This news release contains "forward-looking statements" within the meaning of applicable securities legislation. These forward-looking statements are made as of the date of this news release and Westhaven does not intend, and does not assume any obligation, to update these forward-looking statements, except as required by law. Forward-looking statements in this news release may include, but are not limited to, statements with respect to completing planned airborne geophysical surveys, completing approximately 50,000m of drilling during the year; completing an updated South Zone mineral resource estimate and the planned Pre-Feasibility Study; the results of the updated Preliminary Economic Assessment; future planned activities; future mineral production and future growth potential for the Company and its projects; the interpretation of preliminary results from exploration undertaken to date at the Shovelnose project using various exploration techniques and analysis; statements with respect to potential styles of epithermal mineralization at the Shovelnose Project; and, the possibility that the Company’s Shovelnose project may host multiple gold bearing epithermal systems. In certain cases, forward-looking statements can be identified by the use of words such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "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" or "will be taken", "occur" or "be achieved". Forward-looking statements are based on the opinions and estimates of management as of the date such statements are made, and they are subject to known and unknown risks, uncertainties and other factors that may cause the actual results to be materially different from those expressed or implied by such forward-looking statements or forward-looking information. Assumptions have been made regarding, among other things, the price of gold and other precious metals; 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 and its ability to obtain financing on reasonable terms. Although management of Westhaven Gold Corp. have attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements or forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. 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. Such factors include, without limitation: the Company's dependence on one group of mineral projects; precious metals price volatility; regulatory, consent or permitting delays; risks relating to reliance on the Company's management team and outside contractors; risks regarding mineral resources and reserves; 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, including the inaccuracy of reserves and resources, metallurgical recoveries and capital and operating costs of such projects; laws and regulations governing the environment, health and safety; 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, including the risks of diminishing quantities or grades of reserves; stock market volatility; conflicts of interest among certain directors and officers; and the factors identified under the caption “Risk Factors” in the Company’s management discussion and analysis. Mineral exploration involves a high degree of risk and few properties, which are explored, are ultimately developed into producing mines. There can be no assurance that such forward-looking statements or information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements and forward-looking information. The Company will not update any forward-looking statements or forward-looking information that are incorporated by reference herein, except as required by applicable securities laws. <img alt="" src='https://ml.globenewswire.com/media/OWE0MmM1YzctYjA1My00ZjJmLWI3OTItNTc4M2M1Mzk5YWJhLTExMDY3MjEtMjAyNi0wNS0xMy1lbg==/tiny/Westhaven-Gold-Corp-.png' referrerpolicy='no-referrer-when-downgrade' />

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Westhaven Commences Airborne Geophysical Surveys at Its Shovelnose Gold and Silver Project, Southern British Columbia

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