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Rock Tech Announces Estimated €50 Million Reduction in Capital Expenditures for Guben Lithium Converter
Toronto, ON, October 23, 2025 – Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the “Company” or “Rock Tech”) is pleased to announce, further to the OpEx News Release, another significant milestone in the development of the fully permitted Guben Lithium Converter on the German-Polish border. Following a comprehensive design and […]
Rock Tech and ArcelorMittal Agree on Cooperation to Strengthen Regional Industrial Competence
Toronto, ON, October 2, 2025 – Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the “Company” or “Rock Tech”) is pleased to announce that its subsidiary,Rock Tech Guben GmbH and ArcelorMittal Eisenhüttenstadt GmbH have signed a letter of intent with the aim to identify and promote regional synergies in the industry. […]
Rock Tech Lithium Projects 23% Reduction in Operating Costs for Guben Converter
Toronto, ON, September 17, 2025 – Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the “Company” or “Rock Tech”) is pleased to announce a significant milestone in the development of its Guben Lithium Converter. Following a comprehensive update to its operational expenditure (OpEx) model, the Company anticipates a reduction of approximately […]
Press & News
2025
- October 23 – Rock Tech Announces Estimated €50 Million Reduction in Capital Expenditures for Guben Lithium Converter (262 KB)
Targeted optimizations are expected to reduce the estimated total capital expenditures (“CapEx”) for the lithium refinery converter in Guben, Brandenburg (the “Guben Lithium Converter” or the “Project”), from €730 million to €680 million. - October 2 – Rock Tech and ArcelorMittal Agree on Cooperation to Strengthen Regional Industrial Competence (178 KB)
• Rock Tech Guben GmbH and ArcelorMittal Eisenhüttenstadt GmbH have signed a letter of intent to intensify regional synergies in industry in East Brandenburg. - September 17 – Rock Tech Lithium Projects 23% Reduction in Operating Costs for Guben Converter (223 KB)
Rock Tech’s updated OpEx model projects a 23% reduction in operating costs for its Guben Converter, cutting lithium hydroxide production expenses from approx. EUR 5,033 to EUR 3,878 per ton. - September 12 – Rock Tech Lithium Closes Third and Final Tranche Non-Brokered Private Placement for Aggregate Gross Proceeds of $6.51 Million (227 KB)
In aggregate, the Company has issued an aggregate of 7,231,621 Units for total gross proceeds of $6,508,459 under the first, second, and third tranches of the brokered and non-brokered portions of the Offering. - September 5 – Rock Tech Lithium Closes $306,000 Second Tranche Non-Brokered Private Placement (233 KB)
In aggregate, the Company has issued an aggregate of 6,093,221 Units for total gross proceeds of $5,483,898.90 under both the first and second tranches of the Offering. - September 4 – Rock Tech Lithium Closes $5.2 Million Offering (295 KB)
The first tranche closing of its previously announced brokered (the “Brokered Offering”) and non-brokered (the “Non-Brokered Offering”, together with the Brokered Offering, the “Offering”) private placement offering pursuant to which the Company sold 5,753,221 units (“Units”) at a price of $0.90 per Unit for aggregate gross proceeds of $5,177,898.90 - August 29 – Rock Tech Lithium Announces Offering of up to $7.5 Million (236 KB)
Maxim Group LLC (“Maxim”) acted as sole placement agent in connection with the Brokered Offering. - August 26 – Rock Tech Lithium and ENERTRAG SE Enter Strategic Partnership (516 KB)
Signing at the German-Canadian Critical Minerals Round Table in Berlin: Rock Tech Lithium and ENERTRAG SE Enter Strategic Partnership for Sustainable Energy Supply of the Lithium Hydroxide Converter in Guben - August 12 – Rock Tech Receives Further Research Funding From German Government (216 KB)
Rock Tech Receives Further Research Funding From German Government - July 8 – Rock Tech Lithium Clarifies Technical Disclosure (216 KB)
Rock Tech Lithium Clarifies Technical Disclosure Relating to the Lopare Lithium Project and Provides Strategic Update on Arcore Transaction - July 3 – Rock Tech held its 2025 Annual General and Special Meeting of Shareholders (158 KB)
Rock Tech Lithium Inc. is pleased to announce it has held its Annual General and Special Meeting of Shareholders. - June 26 – Ronbay Technology and Rock Tech Lithium sign Strategic MoU on Extensive Local Battery Materials Partnership in Europe (213 KB)
Rock Tech Lithium announced the signing of a strategic Memorandum of Understanding (MoU) aimed at creating a fully localized integrated lithium-ion battery materials supply chain in Europe. - June 23 – Rock Tech Lithium Receives $388,074 in Funding from Ontario’s Critical Minerals Innovation Fund (516 KB)
Rock Tech Lithium Inc. is pleased to announce that it has received $388,074 in funding from Ontario’s Critical Minerals Innovation Fund (“CMIF”) - June 11 – First European Funding after getting recognition as a ‘Strategic Project’ (190 KB)
Rock Tech receives funding to lead Lithium Refining Innovation project by EIT RawMaterials - May 21 – PR_ECA Support_ENG (212 KB)
Rock Tech receives EUR 150 million in Letters of Support for Guben Converter - May 12 – Management Change_ENG (169 KB)
Mirco Wojnarowicz appointed CEO; Christopher Wright named CFO; Kerstin Wedemann continues as Chief Legal & Corporate Officer. - April 7 – PR_Board Nomination (169 KB)
Rock Tech Lithium Welcomes Dr. Beate Degen to its Board of Directors - March 26 – CRMA Strategic Project Status (248 KB)
Rock Tech is pleased to announce that its Lithium Converter Project in Germany (“Guben Converter”) has been recognized as a Strategic Project under the EU Critical Raw Materials Act (“CRMA”) - March 25 – Closing Private Placement (191 KB)
Rock Tech Announces Closing of Non-Brokered Private Placement - March 20 – GEA Contract (319 KB)
Rock Tech Lithium Partners with GEA for Key Equipment in Guben Lithium Converter - February 20 – Merger RockTech and Arcore (342 KB)
Rock Tech is pleased to announce the signing of a binding Business Combination Agreement (BCA) to form a business combination with Arcore AG, an arm’s length Swiss-based mining company. - January 30 – Schwenk MoU (201 KB)
Rock Tech Partners with Schwenk to Turn Lithium By-products into Cement Additives, Cutting Costs and Increasing Profitability
2024
- November 26 – Guben Site Milestones Q4
- October 9 – Rock Tech Lithium Secures $1.4 million in Federal Funding for Georgia Lake Infrastructure Development
- October 7 – Rock Tech Announces Closing of Non-Brokered Private Placement
- September 11 – Rock Tech Attend Upcoming Industry Conferences
- July 22 – Study Confirms: By-products from Lithium Production can be used in Cement Production
- July 15 – Rock Tech selects Worley as its EPCM Partner for Guben Lithium Converter
Next important milestone reached after receiving the final building permit and funding of around 100 million EUR. Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia. Comprehensive selection process coordinated by Accenture. - July 15 – Rock Tech ernennt Worley als Partner (EPCM) für den Bau und die Inbetriebnahme des Gubener Lithiumkonverter
Nächster wichtiger Meilenstein nach Erhalt der finalen Baugenehmigung und Fördermitteln von rund 100 Mio. Euro erreicht. Worley überzeugt als internationales EPCM Unternehmen mit umfassender Projektexpertise bei Rohstoffen, Chemie und Energie. Umfassendes Auswahlverfahren von Accenture koordiniert. - June 28 – Rock Tech held its 2024 Annual General and Special Meeting of Shareholders
Rock Tech Lithium Inc. is pleased to announce it has held its Annual General and Special Meeting of Shareholders. - June 24 – Rock Tech to receive up to 100 million EUR in direct grants for its German Lithium refinery
Funding to be provided by the State of Brandenburg and the German Railway Authority. Further applications for federal guarantees ongoing - May 31 – O fficial permit ceremony for German L ithium Refinery with Brandenburg state officials today
Rock Tech Lithium Inc. is pleased to announce the official handover of all construction and operation permit approvals for its German Lithium refinery - May 17 – Rock Tech Lithium Receives Construction and Operations Permit Approvals for German Lithium Refinery
Rock Tech Lithium Inc. is very pleased to announce that it has received the full permits for its planned Lithium refinery in Guben, Germany. - May 13 – Rock Tech Lithium Announces Adoption of Advance Notice By-Law
Rock Tech Lithium Inc. announces that it has adopted an “Advance Notice By-law” to establish the conditions and framework under which registered or beneficial owners of common shares of the Company may exercise their right to submit director nominations by fixing a deadline by which such nominations must be submitted by a Shareholder to the Company prior to any annual or special meeting of shareholders, and sets forth the information that a shareholder must include in the notice to the Company for the notice to be in proper written form in accordance with the Canada Business Corporations Act. - May 7 – Rock Tech Lithium Inc issues update on outstanding German subsidy application. Subsidy applications will shift to state-level.
Rock Tech Lithium Inc issues update on outstanding German subsidy application. Subsidy applications will shift to state-level. Rock Tech will not receive funds from federal TCTF-subsidies programme. Instead, negotiations continue to finalize financing programmes with the state of Brandenburg. - April 30 – Rock Tech Lithium announces feedstock supply agreement with C&D Logistics (Qingdao) Co., Ltd
Rock Tech Lithium announces feedstock supply agreement with C&D Logistics (Qingdao) Co., Ltd., a supply chain enterprise under the C&D Group, a Fortune Global 500 member. - March 8 – Rock Tech receives EMAS certification from the Chamber of Commerce for its environmental commitment in Guben, Germany
The successful completion of the EMAS audit shows that sustainable management, environmental protection and the intelligent use of raw materials and energy in the production of battery-grade lithium hydroxide play an important role in the corporate activities of Rock Tech Lithium in Guben. This is the world’s most demanding environmental management system in accordance with European standards. Currently, 35 organizations are registered with the Brandenburg Chambers of Industry and Commerce (IHKs). André Fritsche, Managing Director of the Cottbus Chamber of Industry and Commerce, presented the EMAS certificate today to Kerstin Wedemann, Chief Legal & Operations Officer, and Henrik Wende, Operational Readiness Manager, and thanked them for their commitment to the company, which plans to create around 170 jobs in Lusatia. - March 04 – Rock Tech selects Red Rock as the location for Ontario's First Lithium Refinery and secures CAD 5.5mn project investment from the BMI Group
Rock Tech Lithium Inc. and the BMI Group are pleased to announce the signing of a Cooperation Agreement. The Agreement bindingly confirms the parties’ plans to enter into a long-term lease contract for the location of Ontario’s first Lithium Converter. The Red Rock site was selected by Rock Tech following the successful completion of a comprehensive site-assessment process. BMI further commits to invest CAD 5.5mn into the Project as part of the Agreement. - stock_numbers_04-scaled
2023
- November 14 – Collaboration with Imagine on Developing Lithium Supply Chain
Rock Tech and Imagine Lithium Inc. want to collaborate on exploring potential mergers and acquisitions, commercial partnerships, and joint exploration and development of their lithium projects to support Rock Tech’s proposed lithium converter along Lake Superior’s North Shore. Imagine’s Jackpot Project is only 15 kilometers away from Rock Tech’s proposed Georgia Lake concentrator, and the adjacent properties total approximately 25,000 hectares in the Northern Spodumene Pegmatite area. - November 13 – Arcore AG and Rock Tech have concluded a strategic partnership to regionally source and supply Rock Tech’s converter operations in Europe.
- November 03 – Partnership with The BMI Group-Red Rock Indian Band
- October 24 – Non-Brokered Private Placement Announced
- October 19 – Site Shortlist for Lithium Converter in Ontario and Relocation to Toronto
- October 16 – Rock Tech Applies for Additional Subsidies for its Guben Converter
- September 21 – New Head of Investor Relations Appointed
- July 11 – Closing Option Agreement on Boston Lake Claims
- July 04 – Results Returned from Step-out Drill Program
- June 29 – Rock Tech Announces Results of its 2023 Annual General and Special Meeting of Shareholders
- May 25 – Additional Property Options in Thunder Bay and Strategic Advisor for Georgia Lake Appoitnted
- May 24 – Carbon Footprint 30% Below Average – Life Cycle Assessment for Lithium Hydroxide from Guben
- May 15 – Final Engineering Study for Converter Completed and Deutsche Bank as Placement Agent Mandated
- March 27 – Critical Minerals Supply: Rock Tech Breaks Ground for its First Lithium Converter
- March 17 – Rock Tech Announces Director Resignation
- March 08 – First Partial Permit Obtained for Lithium Converter in Germany
- March 07 – Exploration Drilling Program to Expand the Georgia Lake Resource Potential Starts
- January 31 – Positive Assay Results of Summer Exploration Program and Three New Prospects at Georgia Lake
- January 30 – Zero-Waste Implementation: MoU with Papenburg and Schwenk
- January 12 – Early Start Approval for Guben Converter
2022
- December 18 – Grant of Stock Options
- November 16 – Rock Tech Lithium completes Pre-Feasibility Study for its Georgia Lake Project
- November 16 – Rock Tech submits Final Permit Application for its first Lithium Hydroxide Converter
- November 04 – Rock Tech completes Bankable Project Study for Guben Converter
- October 31 – Chairman Dirk Harbecke becomes CEO of Rock Tech Lithium again
- October 24 – Rock Tech and Transamine to form Joint Venture to Secure Spodumene
- October 21 – Rock Tech Announces Granting of Stock Options
- October 20 – Rock Tech concludes supply deal with Mercedes-Benz
- October 11 – European Investment Bank reviews a €150 million support for Rock Tech’s Guben converter
- October 07 – Rock Tech Lithium Completes 2021 – 2022 Drill Program at Georgia Lake
- August 31 – Two highly experienced executives join Rock Tech Lithium's Board of Directors: Jutta Dönges and Michelle Gahagan
- August 24 – Strategic partnership: Mercedes-Benz intends to source battery material lithium hydroxide from Rock Tech Lithium
- July 13 – Rock Tech Lithium signs framework agreement with a globally operating car producer based in Germany
- July 07 – Rock Tech wins thyssenkrupp Materials Trading as potential supplier of raw materials and customer for its lithium hydroxide
- June 30 – Rock Tech Lithium Announces Assay Results from Ongoing Drill Program at Georgia Lake
- June 30 – Rock Tech Shareholders Approve All Matters at 2022 Annual General and Special Meeting of Shareholders
- June 27 – Rock Tech Lithium and Transamine to cooperate on lithium supply
- May 27 – Notice of Annual Shareholder Meeting 2022
- May 11 – Rock Tech Lithium joins the European Battery Alliance
- May 04 – Rock Tech Lithium Announces Grant of Stock Options
- April 26 – Rock Tech Lithium appoints Cristina Rocco as COO
- April 05 – Rock Tech Lithium Named to the TSX Venture Exchange “Venture 50”
- March 16 – Rock Tech Lithium to Collaborate with Fraunhofer Institute and Circulor to pursue CO2-neutral lithium
- March 11 – Rock Tech Lithium: Changes on the Board of Directors
- March 08 – Rock Tech Lithium Signs Memorandum of Understanding with Romanian Government
- February 28 – Rock Tech Lithium Appoints Esther Bahne as Director
- February 22 – Rock Tech Lithium Starts Permitting Process for Europe's First Lithium Hydroxide Converter
- February 02 – Bilfinger to support Rock Tech Lithium on its construction of Europe's first lithium refinery: Letter of intent entered into
- January 14 – Rock Tech Lithium Announces First Batch of Assays from Georgia Lake Drill Program and Field Exploration Agreement
- January 10 – Rock Tech Lithium Appoints Markus Brügmann as Chief Executive Officer
- January 06 – Rock Tech Lithium Announces Closing of Second and Final Tranche of Private Placement
2021
- December 30 – Rock Tech Lithium Announces Closing of First Tranche of Private Placement
- December 20 – Rock Tech Lithium Announces Proposed Private Placement
- November 30 – Rock Tech Lithium Inc. Announces Results from Lithium Hydroxide Converter Engineering Study
- October 25 – Rock Tech, Papenburg AG and Knauf Gips KG establish German Lithium Institute
- October 18 – Rock Tech Announces Results from Lithium Hydroxide Pilot Plant in Germany
- October 11 – Europe's first lithium hydroxide converter to be built in Brandenburg, Germany
- October 08 – Rock Tech Appoints Esther Bahne as Chief Strategy & Marketing Officer
- June 24 – Rock Tech Graduates to Tier 1 of the TSX Venture Exchange
- May 25 – Rock Tech Bolsters Management Team – Execution Team Put in Place
- May 05 – Rock Tech Upgraded to OTCQX Best Market
- May 03 – Rock Tech Appoints Stefan Krause as Vice-Chairman
- April 29 – Rock Tech Engages Nagrom for Testwork on Patent-Pending Processing Method
- April 27 – Rock Tech Expects Purified Lithium Hydroxide Samples Next Month
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