Rock Tech Lithium Intensifies Investor Engagement with Roundtable and September 2026 Conference Participations

TORONTO, Sept. 10, 2026 /CNW/ - Rock Tech Lithium Inc. (TSXV: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the "Company" or "Rock Tech") is pleased to announce that Company management will participate in several capital markets conferences and political events this month of September. To address a larger number of stakeholders directly, the Company will also host an investor roundtable on September 21, 2026, to provide an update on Rock Tech's made-in-Ontario, mine-to-converter strategy and the Company's timeline for development and production start of its mining and converter projects.

In addition to the investor roundtable, Rock Tech's management will participate in several leading investor conferences and high-level industry roundtables throughout September. These engagements will provide opportunities to connect with institutional and retail investors, industry participants and key stakeholders, while highlighting Rock Tech's strategic vision, key catalysts and milestones expected to advance the Company's projects.

Conference Schedule:

Date	Conference / Event	Location	Purpose / Role
12 Sep	CEO Connect & Investment Opportunity	Heidelberg, Germany	Investor engagement
15-17 Sep	Fastmarkets European Battery Raw Materials	Budapest, Hungary	Panelist - Sustainable Sourcing: Requirement or Reality?
16 Sep	German-Canadian Critical Raw Materials Partnership	Toronto, Canada	Panelist – Canada-Germany Partnership in Critical Minerals
21 Sep	Rock Tech Virtual Investor Roundtable	Virtual	Investor roundtable
23 Sep	Apaton Investor Event	Munich, Germany	Investor engagement
25–27 Sep	Muskoka Capital Event 2026	Muskoka, Canada	Investor engagement
28 Sep	Resource Policy as the Key to Sovereignty and Prosperity	Berlin, Germany	Panelist – Mined in Germany?
30 Sep	CEO Connect – Made For Germany Annual Assessment	Berlin, Germany	Industry / government engagement

In Detail:

• CEO Connect and Investment Opportunity, hosted by Stuefe und Partner, September 12, 2026, Heidelberg, Germany
• Fastmarkets European Battery Raw Materials, September 15 – 17, 2026, Budapest, Hungary
• "The German-Canadian Critical Raw Materials Partnership - Moving from Diplomacy to Projects" at Schulich School of Business in cooperation with Consulate General of the Federal Republic of Germany - Panelist on "Canada-Germany Partnership in Critical Minerals", September 16, 2026, Toronto, Canada
• Rock Tech's virtual Investor Roundtable, September 21, 2026
  https://www.appairtime.com/event/cbca7fc5-e808-49c0-876c-ab7239206a07
• Apaton Investor Event, hosted by Apaton on September 23, 2026, Munich, Germany
• Muskoka Capital Event 2026, organized by CEM on September 25-27, 2026, Muskoka, Canada
• Conference „Resource Policy as the Key to Sovereignty and Prosperity" hosted by Konrad Adenauer Stiftung in cooperation with European Initiative for Energy Security – Panelist on „Mined in Germany?" on September 28, 2026, Berlin, Germany
• CEO Connect at cross-sector industry initiative „Made For Germany" - Annual Assessment, on September 30, 2026 in Berlin, Germany

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

On behalf of the Company,
Mirco Wojnarowicz
CEO

About Rock Tech Lithium

Rock Tech is enabling the battery age by making the battery industries in Europe and North America more independent and competitive. The Company's goal is to ensure the supply of high-quality, locally produced lithium – supporting a resilient, sustainable, and transparent value chain from mine to battery-grade material.

Rock Tech relies on responsible sourcing, state-of-the-art and proven technologies, and a clear focus on circular economy principles. The Company's lithium converter projects in Guben, Germany (24,000 tonnes LHM per year) and Ontario, Canada (up to 32,000 tonnes LCE per year) form the foundation for a stable and regional supply to the battery and automotive industries. The Guben converter has been recognized as a Strategic Project under the EU Critical Raw Materials Act.

The raw materials for Rock Tech's converter projects are intended to be sourced exclusively from verifiably ESG-compliant suppliers. In Canada, Rock Tech relies, among other sources, on its wholly-owned Georgia Lake Project, which is intended to provide a stable and sustainable supply for the North American market and is being developed in close partnership with local Indigenous communities. By integrating recycled materials, the Company aims to close the local battery loop.

With its facilities, Rock Tech intends to contribute to battery-grade material sovereignty and the achievement of climate targets. The company works in partnership with industry, policymakers, and community groups, and is committed to open communication and the highest environmental standards. With its facilities, Rock Tech makes a central contribution to battery-grade material sovereignty and the achievement of climate targets. The company works in partnership with industry, policymakers, and community groups, and is committed to open communication and the highest environmental standards.

CAUTIONARY NOTE CONCERNING FORWARD-LOOKING INFORMATION

Certain statements contained in this news release constitute "forward-looking information" under applicable securities laws and are referred to herein as "forward-looking statements". All statements, other than statements of historical fact, which address events, results, outcomes or developments that the Company expects to occur are forward-looking statements. When used in this news release, words such as "expects", "anticipates", "plans", "predicts", "believes", "estimates", "intends", "targets", "projects", "forecasts", "may", "will", "should", "would", "could" or negative versions thereof and other similar expressions are intended to identify forward-looking statements.

In particular, this press release contains forward-looking information pertaining to Rock Tech's opinions, beliefs and expectations regarding the Company's business strategy, development and exploration opportunities and projects; and plans and objectives of management for the Company's operations and properties.

The forward-looking information in this news release is based on several key assumptions and material factors. The forward-looking information also assumes favorable market conditions for lithium. Forward-looking statements by their nature are based on assumptions and involve known and unknown risks, uncertainties and other factors which may cause the actual results to differ materially from the forward-looking statements, including general business, economic, competitive, political and social uncertainties; delay or failure to receive regulatory approvals; changes in project plans; the risk that regulatory approvals may not be obtained on the anticipated timeline or at all; and risks, uncertainties and other factors discussed in the Company's public disclosure documents available under its profile on SEDAR+. No assurances can be given that any of the events anticipated by the forward-looking statements will transpire or occur, and the Company cautions the reader not to place undue reliance upon any such forward-looking statements. The Company does not intend, nor does it assume any obligation to update or revise any of the forward-looking statements, whether as a result of new information, changes in assumptions, future events or otherwise, except to the extent required by applicable law.

SOURCE Rock Tech Lithium Inc.

For further information: Kerstin Wedemann, Chief Legal & Corporate Officer, [email protected], [phone], Rock Tech Lithium Inc., 2700-40 Temperance Street, Toronto ON M5H 0B4 CAN