Sierra Metals Inc.

We are pleased to share that Sierra Metals Inc. participated in the Swiss Mining Institute (SMI) Conference on March 18-19, 2025, in Zurich, Switzerland. (swissmininginstitute.ch) This event brought our CEO Ernesto Balarezo, CFO Jean Pierre Fort and VP of Legal Patricia Kosa together with industry experts and financial markets leaders, providing a valuable platform to share our initiatives and explore growth opportunities. A big thank you to #SMI for the organization and to all participants for the insightful discussions! #SierraMetals #SwissMiningInstitute #Mining #Investment #Investors #SustainableGrowth

📣 Sierra Metals Inc.: Positioned for Growth in 2025 and Beyond 🚀 ✅ 2025 Expected EBITDA: ~$130M (as per Director’s Circular): ☝ 85% higher than the 2024 forecast ☝ 160% higher than 2023 ✅ Strong Financial Position – Increased operating cash flow is more than sufficient to fund capital investments and meet debt repayment obligations. ✅ Operational Growth – Successfully ramped up operations to 9,000 tons per day; now advancing a two-stage expansion to reach a combined throughput of over 11,000 tons per day. 🚨 Board Recommendation – The Board of Directors unanimously recommends that shareholders REJECT the opportunistic hostile takeover bid and TAKE NO ACTION. 📍 Meet Us at SMI Zurich – Sierra Metals Inc. will attend the SMI Zurich Conference on March 18-19, 2025. Looking forward to 1-on-1 meetings! Full note here: https://shorturl.at/Odlhv 👇 Hear directly from our CEO, Ernesto Balarezo, as he shares key insights in the video below. 💬 Questions? Reach out at info@sierrametals.com #United for #sustainablemining, let’s lead with inclusion—together. #SierraMetals #Mining #Copper #Growth #Investing #Investors #EBITDA #Shareholders #SMI

At Sierra Metals Inc., our purpose of fostering the growth of people by carrying out sustainable mining guides every step we take. ⛏️ 👉 As part of our strategy to strengthen health and safety management, we continue to enhance our emergency response capabilities across our operations. 🦺 We are proud to announce the acquisition of four #new state-of-the-art underground #refugechambers at our Yauricocha Mine (Peru), and two at our Bolívar Mine (Mexico), each with an 8-person capacity. 👷 👷♂️ 👷♀️ These shelters reinforce our emergency response framework, ensuring greater safety for our teams working #underground. 🎯 What do these new refuge chambers achieve? ✅ Increased reliability and coverage in emergency response for our underground teams. ✅ Alignment with best practices and top mining safety standards. Our VP of Health & Safety, Astolfo Segundo Romero Sanchez, emphasizes: "Risk management in our operations is our top priority. That is why we focus our efforts on identifying and implementing critical controls to ensure a safe working environment." #SafetyFirst #SustainableMining #EmergencyResponse #MiningInnovation #SierraMetals #United for #sustainablemining, let’s lead with inclusion—together.

Celebrating the Strength of Women in Mining 👷♀️⛏️ 🙋♀️ On International Women’s Day, we reaffirm our commitment to inclusion, one of our core values. At Sierra Metals Inc. we believe that developing people through sustainable mining means growing together, with equal opportunities for all. ✅ As part of our Sierra Metals Women’s Program, our incredible women in Mexico 🇲🇽 and Peru 🇵🇪 proudly share what defines them. Through our Logbook 📓, they have recognized and celebrated the qualities they admire most in each other, collectively shaping the identity of #women in our organization. 👇 Discover what makes Sierra Metals Women unique. #United for #sustainablemining, let’s lead with inclusion—together. #IWD #8M #SierraMetals #Inclusion #WomenInMining #Sustainability

This week, Sierra Metals Inc. is proudly participating in the BMO 2025 Global Metals, Mining & Critical Minerals Conference ⛏️📢. 🔑 Our CEO Ernesto Balarezo, CFO Jean Pierre Fort, and VP of Legal Patricia Kosa are engaging with investors through one-on-one meetings and delivering insightful presentations. 👉 The BMO conference is a key opportunity for public #mining companies to secure valuable investments, foster #transparency with stakeholders, and strengthen their presence in the industry. Stay tuned for more updates from #SierraMetals! #ConnectingForInfinitePossibilities #Mining #Investors #Metals #CriticalMinerals #IndustryLeadership #United for #sustainablemining.

In recent weeks, we have been rolling out our Workplace Behavior Observation Standard. 🦺⛏️ We trained our people in #workshops at our Yauricocha and Bolivar mines, with the goal of strengthening our #safety culture and promoting practices that reduce risks in our operations. 👉 Why is this standard important? It establishes key guidelines and responsibilities for observing workplace behavior across all our operations, processes, and projects. Its clear goals are: 📌 Foster committed and visible leadership. 📌 Encourage employees to adopt the habit of risk prevention. 📌 Increase safe behaviors and reduce risky behaviors. Astolfo Segundo Romero Sanchez, VP Safety at Sierra Metals Inc. comments: "Safety is not just a set of rules; it is an #attitude and a daily #commitment. We encourage everyone to participate in the workshops and continue applying what they have learned to build a safer and healthier work environment together." ⏭️ Next steps: -         Continue training more employees and contractors. -         Apply the standard in every work area. -         Promote active participation from everyone in observing behaviors. #Safetyfirst #United for #sustainablemining.

At Sierra Metals Inc., we strive to foster shared growth with the communities around us, working toward the sustainable well-being of all stakeholders involved in our activities. 👇Check out our #water 🚰collection and distribution initiative for the Piedras Verdes Community at our Bolivar Mine in Chihuahua, Mexico. #SustainableWaterManagement #WaterSecurity #CleanWaterForAll #United for #sustainablemining.

At Sierra Metals Inc. we empower and raise awareness among our employees, contractors and communities with key knowledge on #environmental care. During 2024, we carried out 628 hours of #training through various workshops in our Bolivar and Yauricocha mining units. #United for #sustainablemining.

In 2024, at Sierra Metals Inc. we achieved #record Q4 throughput, and our consolidated production of copper, silver, gold and zinc exceeded annual production guidance while lead production met guidance. Full note: https://lnkd.in/eHR-SCAg #Teamwork #LatamMining #Recordproduction #Results

2024 was an exceptional year for us at @Sierra Metals! 2024 was an exceptional year for Sierra Metals Inc.! As a united team, we worked hard, celebrated often, and stayed committed to our shared values. Our highlight reel showcases moments of unity and dedication—from celebrating World Environmental Education Day to honoring International Women’s Day and spreading holiday cheer with our incredible miners at the Bolivar and Yauricocha mines. Here’s to teamwork, togetherness, and the milestones we achieved in 2024! #Teamwork #Unity #Celebration #LatAMMining https://lnkd.in/gYjwC89V