Vancouver, 31 August 2022 – Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) ("Rock Tech") is pleased to welcome two new highly experienced members of the Board of Directors ("Board" or the "Board of Directors"). First is Jutta Dönges, the Managing Director of the Federal Republic of Germany Finance Agency. Her election as a director was approved by shareholders at the annual general and special meeting of shareholders held on June 30, 2022 (the "AGM") and is now fully constituted by receiving the necessary approval of applicable supervisory authorities. In addition, Rock Tech would also like to welcome Michelle Gahagan, an experienced Canadian lawyer and current director of several listed mining and technology companies, whose election as a director of Rock Tech became effective as of the close of the AGM.

LithiumVancouver, August 23, 2022 – Rock Tech Lithium Inc (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) ("Rock Tech") and Mercedes-Benz AG ("Mercedes-Benz") are pleased to announce that they are about to enter into an agreement which provides for a strategic partnership to produce high-quality lithium hydroxide for the automaker and its battery suppliers. Under the intended binding agreement, Rock Tech has agreed to deliver up to 10,000 tonnes per year of its planned production to the premium manufacturer and its partners starting in 2026. The two companies made the announcement on Tuesday during a visit to Canada by a business delegation from Germany led by Chancellor Olaf Scholz.

Rock Tech has signed a framework agreement with a renowned globally operating car producer having its headquarters in Germany establishing the basis for the supply of lithium hydroxide. Additionally, it supports the commitments to environmental responsibility and sustainability, including an agreement to create a roadmap to achieve CO2-neutral production of lithium hydroxide.

Vancouver, BC, 07 July 2022 /CNW/ –Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) ("Rock Tech" or the "Company") has entered into a non-binding Memorandum of Understanding (the “MOU”) with materials distributor and service provider thyssenkrupp Materials Trading GmbH ("thyssenkrupp Materials Trading") in relation to establishing a strategic partnership to supply lithium spodumene concentrate. Rock Tech plans to refine the mineral from the end of 2024 at its proposed converter in Guben, Germany, into high-purity lithium hydroxide, a key element in batteries for electric cars and plug-in hybrids.

Rock Tech Lithium Inc. (TSX-V: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the "Company" or "Rock Tech") is pleased to announce the latest assay results from the Company's ongoing drill program (the “Drill Program”) at its 100%-owned Georgia Lake lithium project in the Thunder Bay Mining District of Ontario (the “Georgia Lake Project”).

Rock Tech Lithium Inc (the "Company" or "Rock Tech") is pleased to announce that holders ("Shareholders") of common shares of Rock Tech ("Common Shares") approved all matters voted upon at the Company's annual general and special meeting of Shareholders held earlier today (the "Meeting"). Detailed information regarding each of the matters voted upon at the Meeting is provided in the management information circular of the Company dated May 27, 2022 (the "Circular"), copies of which are available on the Company's SEDAR profile at www.sedar.com.

According to a term sheet, we will diversify our sourcing strategy and enhance the supply of lithium products to the European electric vehicle market.

Management Information Circular and Notice for the 2022 Annual General and Special Meeting of Shareholders

Rock Tech Lithium Inc is pleased to announce it is joining the European Battery Alliance (the “EBA”).

Rock Tech Lithium Inc. announces that, in accordance with the Company’s Stock Option Plan, it has granted 100,000 incentive stock options to an officer of the Company.

Management capacity expanded to fulfil ambition of closed-loop lithium production for electric vehicle batteries.

Rock Tech Lithium Inc. is pleased to announce that the Company has been named to the 2022 TSX Venture 50, an annual ranking of the top performers on the TSX Venture Exchange.

Rock Tech Lithium Inc. is pleased to announce it will collaborate with the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT and Circulor, the UK-based leading sustainable supply chain traceability provider.

Rock Tech Lithium Inc. is pleased to confirm that Esther Bahne has joined its Board of Directors (Board) with immediate effect, as previously announced on February 28.

Site Selection Process Underway for First Expected Lithium Hydroxide Converter in Eastern Europe

Rock Tech Lithium Inc. is pleased to announce the appointment of Ms. Esther Bahne to its Board of Directors.

Rock Tech Lithium Inc. is pleased to announce that it has submitted the required documentation for the application for the first partial permit for the construction of its lithium hydroxide converter in Guben/Brandenburg.

Industrial services provider Bilfinger and clean-tech company Rock Tech Lithium have signed a letter of intent for Bilfinger to serve as EPCM (engineering, procurement, construction manager) to Rock Tech Lithium. The agreement relates to the construction of Europe's first lithium hydroxide converter.

Rock Tech Lithium Inc. is pleased to announce the initial batch of assay results from the Company's ongoing drill program at its 100%-owned Georgia Lake lithium project in the Thunder Bay Mining District of Ontario (the "Georgia Lake Project").

Rock Tech Lithium Inc. is pleased to announce that Markus Brügmann will assume the position of Chief Executive Officer (CEO) effective immediately.

Rock Tech Lithium Inc. is pleased to announce the closing of the second and final tranche of its previously announced brokered offering of units of Rock Tech on a private placement basis to certain U.S. and international investors.

Rock Tech Lithium Inc. is pleased to announce the closing of the first tranche of its previously announced brokered offering of units of Rock Tech, on a private placement basis, to certain U.S. and international investors at a price of U.S.$4.20 per Unit.

Rock Tech Lithium Inc. is pleased to announce that it intends to undertake a proposed brokered offering of up to approximately 9.5 million units of Rock Tech, on a private placement basis, to certain U.S. and international investors at a price of U.S.$4.20 per Unit, for aggregate gross proceeds of up to approximately U.S.$40 million.

Rock Tech Lithium Inc. is pleased to announce the results of an engineering study for the construction and operation of the Company's proposed high grade merchant lithium hydroxide converter and refinery facility in Guben, Germany.

Rock Tech Lithium Inc., together with GP Papenburg Entsorgung Ost GmbH and Knauf KG, have founded the Institute for Technologies and Economics of Lithium (“ITEL”).

Rock Tech Lithium Inc. is pleased to announce completion of a pilot test program and prototype production of battery grade lithium hydroxide monohydrate greater than 99.5% purity, in compliance with end-user electric vehicle lithium-ion battery production specifications.

Rock Tech Lithium Inc. is planning to build Europe's first lithium converter - a production plant for battery-grade lithium hydroxide - in Guben, Brandenburg.

Rock Tech Lithium Inc. is pleased to announce that Esther Bahne has joined the Company’s management team as Chief Strategy & Marketing Officer.

Rock Tech Lithium Inc. is pleased to announce that the Company has graduated to Tier 1 of the TSX Venture Exchange (the “Exchange”).

Rock Tech Lithium Inc. is pleased to announce key appointments for the implementation of its European and international converter strategy. Amongst other appointments, Mr. Don Stevens has been appointed to the position of Chief Technology Officer, and Mr. Stephan Egle will take over the position of Chief Operating Officer. Rock Tech’s chairman, Dirk Harbecke, has been appointed Chief Executive Officer.

Rock Tech Lithium Inc. is pleased to announce that it has qualified to trade on the OTCQX® Best Market.

Rock Tech Lithium Inc. is pleased to announce that Stefan Krause has been appointed Vice-Chairman and a member of the Board of Directors of Rock Tech Lithium.

Rock Tech Lithium Inc. is pleased to announce that it has engaged Nagrom laboratories to conduct bench scale testwork on the Company’s patent-pending lithium hydroxide production process.

Rock Tech Lithium Inc. is pleased to announce that it has engaged ANZAPLAN for further pilot plant testwork.