📢ICYMI 📰 NEWS — Sun Summit commenced its fully funded 10,000-metre 2026 drill program at the JD Project this week. The program targets both the Creek and Finn zones, with results designed to contribute to an inaugural MRE targeted for Q1 2027. ▪️ Creek Zone — Up to 5,000m following up 34.0m of 9.07 g/t Au in CZ-25-021 ▪️ Finn Zone — Up to 5,000m following up 6.0m of 5.30 g/t Au with 157.9 g/t Ag in FZ-25-002 Revisit the June 8th news release🔗 sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Silver #JDProject #Toodoggone #Drilling

➡️ Disseminated on behalf of: @sunsummitmin __ Drilling at Sun Summit Minerals' (TSXV: $SMN | OTCQB: $SMREF) Creek Zone confirmed high-grade, near-surface gold at its JD Project. Read the @KitcoNewsNOW feature to see how the company is advancing toward resource definition.

➡️ Disseminated on behalf of: Sun Summit Minerals Corp. __ Is this BC gold explorer nearing its next major milestone in 2027? @SunSummitMin (TSXV: $SMN | OTCQB: $SMREF) is advancing its flagship JD Project in British Columbia’s Toodoggone District toward a targeted Q1 2027 initial mineral resource estimate, with a fully funded 10,000-metre drill program now underway. Here’s what investors should know: • Sun Summit has shifted from early exploration into resource definition, with two active drill rigs focused on the Creek and Finn zones. • Previous drilling at the Creek Zone confirmed high-grade, near-surface gold mineralization, including the strongest near-surface gold interval drilled at JD to date. • Backed by a C$11.5 million financing, Sun Summit’s roughly C$50 million market capitalization sits below Toodoggone peers ranging from C$184 million to nearly C$5 billion. Read the full @KitcoNewsNOW feature to see how Sun Summit is advancing its next phase at JD. __ The content above is based on information contained in the company’s feature article on Kitco dated June 9, 2026, prepared by the company’s Qualified Person, as defined in National Instrument 43-101. bit.ly/3RZp2mD

⛳CEO Niel Marotta will be in Toronto June 12–14 for the 5th Annual Investor Clubhouse — an exclusive VIP event bringing together investors and public companies for curated 1x1 meetings alongside the RBC Canadian Open. Drilling is underway at the JD Project. 10,000 metres planned. MRE targeted for Q1 2027. Plenty to talk about. 🔗 investor.events/event/invest… $SMN $SMREF #Gold #Silver #JDProject #Toodoggone #InvestorClubhouse #RBCCanadianOpen

📢 NEWS | Drilling has officially started at Sun Summit's JD Project in BC's Toodoggone District — the most significant program at JD since the late 1990s. Both drill rigs are now on site — one turning at the Creek Zone with the second set to begin operations in the coming days. Over 10,000 metres planned across Creek and Finn, with a project-wide MobileMT airborne survey also underway. All results will contribute to an inaugural MRE targeted for Q1 2027. Full news release🔗 sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Silver #JDProject #Toodoggone #Drilling

📢Camp is set up. First drill is on site. Core yard is ready. The first of two drills has arrived at the JD Project ahead of Sun Summit’s 10,000-metre 2026 program — the largest in company history. Advancing toward an inaugural MRE targeted for Q1 2027. Stay tuned. 👊 $SMN $SMREF #Gold #Silver #JDProject #Toodoggone #Drilling

📢 Sun Summit has outlined its 2026 exploration program at the Theory Copper-Gold Project in BC's Toodoggone District — focused on advancing the project toward drill-ready status for 2027. The program includes a project-wide MobileMT airborne geophysical survey, geological mapping and geochemical sampling, and ground IP surveys — with a priority focus on the BEV to Saboteur copper trend. Exploration activities expected to begin in early June. 🔗 Full release: sunsummitminerals.com/sun-su… $SMN $SMREF #Copper #Gold #TheoryProject #Toodoggone

CEO Niel Marotta heads to Québec City for @THEMiningEvent, June 2–4, 2026 — hosting 1x1 investor meetings to discuss the JD Project in BC's Toodoggone District. ➡️Drilling expected to start in early June. ➡️MRE targeted for Q1 2027. ➡️Lots to talk about. 🔗 themininginvestmentevent.com $SMN $SMREF #Gold #Silver #Copper #JDProject #Toodoggone

➡️ Disseminated on behalf of: Sun Summit Minerals Corp. __ “In a few short weeks, we'll launch our largest drill program ever at JD, a fully funded $10 million, 10,000-metre campaign targeting the 4.5-kilometre Creek-to-Finn corridor, with a strong emphasis on exploration drilling.” Niel Marotta, President & CEO of @SunSummitMin (TSXV: $SMN | OTCQB: $SMREF), highlights how the company is advancing its JD Project in one of Canada’s most active gold regions, with an inaugural mineral resource targeted in early 2027. Watch the full video to see why the company’s largest drill program could become one of the region’s anticipated gold stories. __ The content above is based on information contained in the company’s feature article on BNN Bloomberg dated May 21, 2026, prepared by the company’s Qualified Person, as defined in National Instrument 43-101.

📰 ICYMI — Last week Sun Summit acquired a 51% interest in the new Orbit Project in BC's Toodoggone District, jointly held with Eagle Plains Resources. The acquisition expands our Toodoggone land position to over 31,500 hectares across the JD, Theory, and Orbit projects — as shown on the district map. Early sampling highlights: ▪️ 3.8 g/t Au, 130 g/t Ag from quartz veining ▪️ 1.37 g/t Au, 0.478% Cu from altered intrusive ▪️ 0.964% Cu, 0.78 g/t Au from semi-massive chalcopyrite & bornite Revisit the news release 🔗 sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Copper #OrbitProject #Toodoggone

We are pleased to welcome @SunSummitMin (TSXV: SMN | OTCQB: SMREF) to @THEMiningEvent, taking place June 2–4 in Québec City. Sun Summit Minerals is focused on the discovery and advancement of district-scale gold and copper assets. Its diversified project portfolio includes the JD and Theory Projects in the Toodoggone region of northern British Columbia, along with the Buck Project in north-central BC. We look forward to connecting Sun Summit Minerals with global investors and industry leaders at this year’s event. Register now: themininginvestmentevent.com #themininginvestmentevent #gold #copper #tsxv #canadianmining #exploration #miningconference

📍 Sun Summit Minerals – New York & Philadelphia Investor Meetings CEO Niel Marotta heads to the US this week — meeting with investors in New York on May 19 and Philadelphia on May 20. These meetings are part of our ongoing effort to introduce Sun Summit Minerals to the US investor community as we advance our fully funded 10,000-metre 2026 drill program at the JD Project in BC's Toodoggone District — with an inaugural Mineral Resource Estimate targeted for Q1 2027. TSX-V: SMN | OTCQB: SMREF #Gold #Copper #JDProject #Toodoggone

It's Day 2 of @MineralsNorth in Smithers, BC! 📍 CEO Niel Marotta and VP Exploration Ken MacDonald are at Booth 62 all day — core on display and plenty to discuss ahead of our 10,000-metre drill program kicking off in early June. Come say hello before the day wraps up! $SMN $SMREF #Gold #Silver #JDProject #Toodoggone #Mining #MineralsNorth2026

Sun Summit Outlines Plans for Significant Drilling at the JD Project, Toodoggone Mining District, B.C.   - resourceworld.com/sun-summit… #ResourceWorld #resourceinvesting #miningnews #mining @SunSummitMin #goldmining #silvermining

📢 NEWS RELEASE: Sun Summit Outlines Plans for Significant Drilling at the JD Project, Toodoggone Mining District, B.C. Sun Summit has outlined its 2026 drill program at the JD Project — the most significant program at JD since the late 1990s. 10,000 metres planned across the Creek and Finn zones, with drilling anticipated to commence in early June. Key follow-up targets include: ▪️ 81.0m of 4.80 g/t gold at Creek Zone ▪️ 17.0m of 2.31 g/t gold with 113.1 g/t silver at Finn Zone Dahrouge USA engaged to complete the inaugural MRE targeted for Q1 2027. 🔗 Full release: sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Silver #Copper #JDProject #Toodoggone

📰 ICYMI — Sun Summit filed a NI 43-101 Technical Report on the JD Project last week, marking an important milestone in the project's advancement. The report supports our path toward metallurgical results expected later in 2026 and an inaugural Mineral Resource Estimate targeted for Q1 2027. 🔗 Full release: sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Silver #JDProject #Toodoggone

📍 Sun Summit Minerals is heading to @MineralsNorth in Smithers, BC — May 6–8. Find us at Booth 62. JD Project — Fully funded 10,000-metre 2026 drill program advancing toward an inaugural MRE targeted for Q1 2027. Theory Project — 2026 exploration program focused on target definition ahead of a first-ever drill campaign. Already sold out — see you there! 🔗 mineralsnorth.ca/about/ $SMN $SMREF #Gold #Silver #Copper #JDProject #TheoryProject #Toodoggone #MineralsNorth2026

📋NEWS: Sun Summit files its NI 43-101 Technical Report on the JD Project, Toodoggone District, B.C. The report supports continued advancement toward metallurgical testing and an inaugural mineral resource estimate targeted for Q1 2027. Full release → sunsummitminerals.com/sun-su… $SMN $SMREF #Gold #Silver #Copper #Toodoggone #JDProject