Whole Video is here @LinkedIn : $SDRC linkedin.com/posts/sidney-re…

The 1933 Unity report maps ore zones across Warren District, including Unity & Charity. Paired with recent field observations, it brings fresh attention to a historic gold system where gold was noted as coarse and visible to the naked eye. Watch: linkedin.com/feed/update/urn… $SDRC

$sdrc question from an investor and response. We are under a lot of NDA’s right now so it’s hard to share material information. I am very excited for everything that is occurring, and I could not be more encouraged The mining team made huge progress over the last several days and took actions that will save tens of millions of dollars in exploration costs over the next five years These efforts will aid expansion and create more efficiencies moving forward Very grateful to the hard and impactful work @HallySDRC and @wfmining Park consistently doing. Nothing is slowing down and everything is going incredibly well. We have had a ton of people reach out with their gratitude on the roads being opened by our company in the area as well.

While we pursue significant next steps for the future of $SDRC @SDRCMINING we had a Great follow up call with a lab doing work with DOD and DARPA on Thursday. A little of why are in conversation. Iridium (the platinum-group metal) is a strategic/critical material for the U.S. Department of Defense (DOD), with relevance to DARPA’s efforts on supply chain resilience and advanced technologies. “ Key Defense Applications of Iridium Iridium’s extreme properties—highest corrosion resistance of any metal, very high melting point (~2,446°C), hardness, and ability to withstand extreme temperatures and oxidizing environments—make it essential where failure is not an option: • Aerospace and aircraft engines: Iridium alloys harden platinum and are used in high-temperature components that endure extreme heat and stress. • Guided missile systems: Critical for precision components in propulsion or high-reliability environments. • Satellite thrusters and rocket engine nozzles: Iridium-lined combustion chambers and catalyst beds (e.g., for hydrazine thrusters) resist erosion and thermal shock in space propulsion. • High-temperature sensors, thermocouples, and crucibles: For military/aerospace testing and manufacturing under extreme conditions. • Other electronics/radar/semiconductors: Used in spark plugs, backlit displays, computers, and radar screens with military applications. These uses tie directly into DOD platforms (jets, missiles, satellites) and emerging needs like hypersonics or advanced propulsion. Why It’s a Critical Supply Chain Concern for DOD/DARPA • Extreme rarity and low yields: As discussed previously, global mined grades are typically <0.1 ppm, with production ~7–9 tonnes/year dominated by South Africa (Bushveld) and some Russian output. This creates single-point vulnerabilities. ($SDRC has multiple independent assays showing multiple ppm per ton consistently) • DOD/DLA recognition: The Defense Logistics Agency (DLA) Strategic Materials lists iridium explicitly, noting its uses in aircraft engines, missiles, etc. The U.S. has near-total import reliance for PGMs (platinum-group metals, including iridium), with a very small National Defense Stockpile (e.g., historically ~15 kg of iridium). • Geopolitical risks: Supply is concentrated; disruptions (e.g., from South Africa instability or Russia sanctions) could impact defense readiness. PGMs are often flagged in critical minerals assessments for economic and national security. • DARPA’s role: DARPA runs programs like OPEN (Open Price Exploration for National Security) with USGS to improve transparency in critical materials pricing, supply/demand forecasting, and resilience—explicitly including materials vital to DOD. While OPEN focuses more on broader commodities (e.g., rare earths, lithium), it addresses the same class of vulnerabilities affecting iridium/PGMs. DARPA also funds efforts on domestic processing, separation technologies, and resilient supply chains for strategic minerals. In short, iridium’s irreplaceability in high-performance military systems, combined with its tiny production volumes and foreign supply dependence, makes securing its supply chain a national security priority. DOD/DARPA focus on it (via stockpiling, R&D, forecasting, and diversification) aims to prevent disruptions that could degrade capabilities in aerospace, missiles, and space systems. Recycling and efficiency improvements are also key, as primary supply is inherently limited. sidneyresources.com/investor…

$SDRC Proud to be featured alongside mining leaders! Sidney Resources Corporation ($SDRC) has been named Micro-Cap Winner in NAI500’s April Global Mining Power Rankings — alongside @RioTinto ($RIO) in the Large-Cap category and Resource Minerals International (ASX: $RMI) as Small-Cap Winner. In a world where geopolitics is reshaping mining investment priorities, we’re delivering real momentum at our Warren District Project in Idaho. Full story: nai500.com/blog/2026/05/geop… #SDRC #Mining #Gold #Exploration #IdahoMining

The April Global Mining Power Rankings are officially in 🏆 @RioTinto, @ResMin_RMI, and @SDRCMINING led their respective categories in April, reflecting shifts in investor attention across the mining sector. The results highlight how geopolitical tensions, supply chain disruptions, and changing commodity demand are influencing market positioning across mining equities. Large-Cap Winner: Rio Tinto (17%) @RioTinto (ASX, LON, NYSE: RIO) took the top spot as its copper strategy gained traction. The miner reported a 9% increase in copper production for Q1, driven by the ongoing ramp-up of the Oyu Tolgoi underground mine in Mongolia. Small-Cap Winner: Resource Minerals International (14.3%) @ResMin_RMI (ASX: RMI) focused on advancing exploration in Tanzania, Saudi Arabia, and Finland. The company reported encouraging geological indications of copper-molybdenum-gold mineralization across its projects. Micro-Cap Winner: Sidney Resources (25%) @SDRCMINING (OTCMKTS: SDRC) secured its lead after publishing results highlighting a district-scale hydrothermal system at its Idaho project. The stock saw a 55% surge over a two-week period in April. Cast your vote for the May rankings here: mining.com/ranking #MiningPowerRankings #Copper #GoldMining #SmallCap #MicroCap #MiningStocks