Largo Reports Third Quarter 2023 Production and Sales Results and Begins Hot Commissioning of its 6.1 MWh Vanadium Redox Flow Battery; Production and Cost Guidance Remains Unchanged

Largo Inc. (“Largo” or the “Company“) (TSX: LGO) (NASDAQ: LGO) today announces quarterly production of 2,163 tonnes (4.8 million lbs¹) and sales of 2,385 tonnes of vanadium pentoxide (“V₂O₅”) equivalent, respectively, in Q3 2023.

Daniel Tellechea, Interim CEO and Director of Largo, stated: “Despite production setbacks in the third quarter caused by the previously reported accident in our chemical plant and delays in the ramp of our new magnetic separator in the crushing plant, Largo remains steadfast in its commitment to rectifying operations in the fourth quarter and has maintained its production, cost and capex guidance for 2023. Our top priority is safety and returning production to a more normalized level through the strengthening of operational efficiencies at the mine and crushing plant.” He continued: “On the Largo Clean Energy front, we are pleased that hot commissioning and provisional acceptance of the EGPE 6.1 MWh VRFB deployment are in the final stages of completion, marking an exciting step towards the conclusion of LCE’s inaugural vanadium battery project. Furthermore, the review of strategic alternatives to unlock and fully maximize the value of LCE remains ongoing and has garnered interest from various parties thus far. While near-term vanadium demand and prices are challenging on the back of weak demand from the steel sector, we are optimistic about future demand projections, particularly driven by an explosive growth of future VRFB deployments in the coming years.”

Maracás Menchen Mine Operational and Sales Results

Q3 2023 and Other Additional Highlights

• Despite higher mining throughput in Q3 2023 (447,165 tonnes) compared with Q3 2022 (351,450 tonnes), V₂O₅ production from the Maracás Menchen Mine was impacted in July and August as a result of the accident at the chemical plant in July, while production in September was affected by the lack of availability of the crushing circuit in September. Mitigative measures to increase production levels in future quarters, including increasing crusher availability and recommissioning evaporation sections of the chemical plant are underway. High purity V₂O₅ equivalent production represented 38% of the total quarterly production in Q3 2023.

• The global recovery³ achieved in Q3 2023 was 76.9%, representing a 5% decrease from the 80.7% achieved in Q3 2022 and 5% lower than the 81.0% achieved in Q2 2023. The global recovery³ in July was 78.8%, with 77.7% achieved in August and 73.6% achieved in September. Lower recovery levels achieved during the quarter relate production impacts mentioned previously. The Company produced 87,447 tonnes of concentrate with an effective grade² of 2.94%.

• V₂O₅ equivalent sales of 2,385 tonnes (inclusive of 256 tonnes of purchase material) were in line with expectations for Q3 2023 but represented a 17% decrease in tonnes sold over Q3 2022. The Company’s sales remain geographically diversified, with North America and Europe each representing approximately one third of total sales, and South America and Asia representing the remaining third. Spot demand was soft in Q3 2023, primarily due to adverse conditions in the Chinese and European steel industries. However, strong demand for high purity vanadium products continued.

• Effective Monday, October 9, 2023, Mr. Celio Pereira assumed the role of Chief Operating Officer (COO) of Largo Vanádio de Maracás S/A (“LVMSA”). This decision follows the departure of Álvaro Resende, to whom the Company thanks for his many years of service. Celio’s appointment is a testament to his excellent track record and the trust and confidence placed in him by the Board and management of Largo. Celio brings to LVMSA over 8 years of operational and technical expertise, honed during his tenure at the Maracás Menchen Mine. He will be instrumental in implementing a culture of safety and operational efficiency at the mine. Following this operational restructuring, the Company expects an enhancement in operational efficiencies at the crushing and milling circuits, as well as the increasing throughput to the ilmenite plant.

About Largo

Largo is a globally recognized vanadium company known for its high-quality VPURE^TM and VPURE+^TM products, sourced from its Maracás Menchen Mine in Brazil. The Company is currently focused on implementing an ilmenite concentrate plant and is undertaking a strategic evaluation of its U.S.-based clean energy business, including its advanced VCHARGE vanadium battery technology to maximize the value of the organization. Largo’s strategic business plan centers on maintaining its position as a leading vanadium supplier with a growth strategy to support a low-carbon future.

Largo’s common shares trade on the Nasdaq Stock Market and on the Toronto Stock Exchange under the symbol “LGO”. For more information on the Company, please visit www.largoinc.com.

Cautionary Statement Regarding Forward-looking Information:

This press release contains “forward-looking information” and “forward-looking statements” within the meaning of applicable Canadian and United States securities legislation. Forward‐looking information in this press release includes, but is not limited to, statements with respect to the hot commissioning and provisional acceptance of the LCE’s EGPE 6.1 MWh VRFB deployment; the strategic review of LCE; future demand projections, including the growth of future VRFB deployments; and the success of mitigating measures to increase production levels. Forward-looking statements can be identified by the use of forward-looking terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, or “believes”, or variations of such words and phrases or statements that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved”. All information contained in this news release, other than statements of current and historical fact, is forward looking information. Forward-looking statements are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of Largo or LCE to be materially different from those expressed or implied by such forward-looking statements, including but not limited to those risks described in the annual information form of Largo and in its public documents filed on www.sedar.com and available on www.sec.gov from time to time. Forward-looking statements are based on the opinions and estimates of management as of the date such statements are made. Although management of Largo has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. Largo does not undertake to update any forward-looking statements, except in accordance with applicable securities laws. Readers should also review the risks and uncertainties sections of Largo’s annual and interim MD&A which also apply.

Trademarks are owned by Largo Inc.

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1</sup> Conversion of tonnes to pounds, 1 tonne = 2,204.62 pounds or lbs.

² Effective grade represents the percentage of magnetic material mined multiplied by the percentage of V2O5 in the magnetic concentrate.

³ Global recovery is the product of crushing recovery, milling recovery, kiln recovery, leaching recovery and chemical plant recovery.

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