Gunnison Copper (TSX: GCU | OTC: GCUMF)

Gunnison Copper President & CEO Craig Hallworth and VP, Investor Relations & Communications Melissa Mackie had a great few days at #DIBX2026 connecting with leaders from across government, defense and industry on the importance of strengthening America’s domestic critical mineral supply chains. As a member of the DIBC | Defense Industrial Base Consortium, Gunnison is proud to be part of these important conversations. Copper is essential to America’s defense, energy, technology and manufacturing sectors, and securing a reliable domestic supply has never been more important. With our operations in Southern Arizona, Gunnison has an important role to play in building a stronger, more resilient U.S. industrial base through American-mined, American-processed and American-produced copper. Thank you to the DIBC team and everyone we connected with for a great event. We look forward to continuing the conversation. TSX: GCU | OTCQB: GCUMF | FSE: 3XS0 #CriticalMinerals #Copper #MadeInAmerica #DefenseIndustrialBase #GunnisonCopper

Palmer Luckey ’s response to Mike C. at #DIBX2026 underscores a critical point: America’s technological and defense leadership depends on secure, domestic access to the minerals that power innovation. Proud to be attending DIBX this week alongside leaders from across the U.S. defense industrial base. At Gunnison Copper, we’re committed to strengthening America’s domestic supply chain by responsibly producing and developing copper here at home—supporting national security, economic resilience and the next generation of American innovation. #Copper #CriticalMinerals #DefenseIndustrialBase #MadeInAmerica #GunnisonCopper

President & CEO Craig Hallworth joined the TokStocks for an in-depth discussion on the Gunnison Copper Project and the opportunity ahead. Craig covers the Project’s US$2.0B after-tax NPV, our US$15M district-wide drill program, resource growth potential, permitting strategy, and the key catalysts ahead as we advance a large-scale American copper project. Watch the full interview: https://lnkd.in/gnATvWPE TSX: GCU | OTCQB: GCUMF | FSE: 3XS0

President & CEO Craig Hallworth and VP, Investor Relations & Communications Melissa Mackie sat down Steve Darling of Proactive to discuss Gunnison Copper’s expanding US$15 million district-wide drill program and the metallurgical work now underway. Watch the full interview below.

Gunnison Copper is proud to participate in the DIBC | Defense Industrial Base Consortium’s DIB Accelerator 2026, taking place August 25–27 in Philadelphia. As a member of the Defense Industrial Base Consortium, we look forward to engaging with leaders across government and industry on the critical role of domestic copper in strengthening America’s defense industrial base and securing U.S. critical mineral supply chains. Our mission is clear: to produce and reliably supply pure American copper from Southern Arizona to strengthen America’s industrial base and secure the critical supply chains that power our nation’s defense, energy, technology and manufacturing sectors. 📍 August 25–27 | Philadelphia, PA 📍 Visit Gunnison Copper at Booth 60 #DIBX2026 #Copper #CriticalMinerals #DefenseIndustrialBase #MadeInAmerica #GunnisonCopper

Latest News! Gunnison Copper Accelerates District-Wide Drill Program, Preparing for Six-Rig Expansion and Upcoming Preliminary Metallurgical Results Two drill rigs active on site, metallurgical drilling at the Gunnison deposit completed and sent to lab for analysis, new core shed nearing completion, and expansion to six drill rigs in September Read the full release here: https://lnkd.in/gkxQrTCZ TSX: GCU | OTCQB: GCUMF | FSE: 3XS0 #Copper #Mining #Drilling #AmericanCopper

Latest News! Gunnison Copper Reports Second Quarter 2026 Financial and Operational Results Q2 2026 Revenue of US$23.6 Million and EPS of US$0.03 as Johnson Camp Ramp-Up Continues Read the press release here: https://lnkd.in/eMDsu3tC TSX: GCU | OTCQB: GCUMF | FSE: 3XS0 #Copper #Mining #CriticalMinerals #Arizona #GunnisonCopper

Yesterday, Gunnison Copper President & CEO Craig Hallworth presented at the Arizona Mining and Industry Get Our Support (AMIGOS) event, sharing an update on Gunnison and our role in strengthening America’s domestic copper supply. For nearly 40 years, AMIGOS has been a strong voice for Arizona’s mining and industrial sectors, bringing together businesses that support an industry responsible for thousands of high-paying jobs and a significant contribution to the state’s economy. As the need for secure, domestically produced copper continues to grow, Gunnison’s mission is clear: to produce and reliably supply pure American copper to the nation’s defense, energy, technology and manufacturing sectors. Thank you to AMIGOS, Sydney Hay, and Mary Darling, Tucson for the opportunity to share the Gunnison story and discuss the important role Arizona mining can play in America’s future. #GunnisonCopper #Copper #ArizonaMining #CriticalMinerals #AmericanMining

Breaking News! Gunnison Copper Attends the American Mining Industry and Critical Minerals Roundtable in Washington D.C. Focused on Strengthening Domestic Supply Chains Hear directly from Gunnison's President & CEO Craig Hallworth. In the video below, Craig shares his key takeaways from the roundtable, hosted by President Donald Trump at the U.S. Department of State, and what the growing focus on American critical minerals means for Gunnison Copper. The meeting brought together senior U.S. government officials and mining industry leaders to discuss strengthening domestic supply chains, expanding U.S. mining and processing capacity, supporting national security, and reducing reliance on foreign sources of critical minerals. Gunnison’s mission is clear: to produce and reliably supply American copper to the nation’s defense, energy, technology and manufacturing sectors. Read the full news release: https://lnkd.in/ge54vKEG #GunnisonCopper #Copper #CriticalMinerals #AmericanMining #Mining #NationalSecurity #MadeInAmerica

Watch our President & CEO, Craig Hallworth, discuss the future of the Gunnison Copper Project with local news KGUN 9 Watch the full segment: https://lnkd.in/g5QeJwVt In the interview, Craig highlights how the project has the potential to strengthen Arizona's economy by creating high-quality jobs close to home, supporting local communities, and producing the critical copper needed for America's future - all while staying true to our People First culture. #Copper #Arizona #Mining #CriticalMinerals #PeopleFirst #GunnisonCopper