American Tungsten Ramps-up Exploration Operations; Initiates 35,000 ft Surface and Underground Drilling Program at Ima Mine

About this update from American Tungsten Corp.

Vancouver, British Columbia--(Newsfile Corp. - May 26, 2026) - American Tungsten Corp. (CSE: TUNG) (OTCQB: TUNGF) (FSE: RK90) ("American Tungsten" or the "Company") announced a significant expansion of exploration activities at the Ima Mine property in Lemhi County Idaho. The company now has two surface drill rigs on site, in addition to two underground drill rigs. 35,000 feet of drilling is currently planned on the property including 33 underground holes and 20 surface holes. In addition, a new crosscut is being developed on the D level to establish underground drill stations to extend previously identified mineralization. "While advancing our initial tailings-focused program, we are now accelerating into the next phase of drilling, positioning the Company for a steady stream of results across multiple work programs," stated Ali Haji, CEO of American Tungsten Corp. "With four rigs currently operating across surface and underground, this expanded campaign is designed to extend known mineralization and test high-priority targets adjacent to historic workings. The scale and pace of this program underscore our confidence in the Ima Mine and our focus on systematically unlocking its full potential through a disciplined, multi-phase exploration strategy." Figure: Longyear 44 drill rig at Ima Minesite To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/11701/298781_aad94781e4ee396f_001full.jpg The expanded drilling program has multiple objectives: To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/11701/298781_aad94781e4ee396f_002full.jpg Rockhead Consulting LLC has been contracted to provide additional drilling services and has mobilized two track mounted surface core rigs to site. One is currently operating and the second will start drilling by end of May. To date, Rockhead Consulting has completed 38 drillholes totaling over 16,500 feet and driven over 660 feet of drift at the Ima Mine. About the IMA Mine The IMA Mine is a past producing underground tungsten mine situated on 22 patented claims located in East Central Idaho. Between 1945 and 1957, the property produced approximately 199,449 MTUs of WO3 and was subsequently explored for molybdenum and tungsten by various operators between 1960-2010 (National Instrument 43 101 Technic...

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