Rock Tech Lithium upsizes private placement to C$6.0 million

Canada NewsWire

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Closing of C$3.51 Million in the Second Tranche

The First and Second Tranches together already exceed the original placement volume of C$5.2 Million

C$3.25 Million raised from a new strategic investor in the Guben Project

The Company is pleased to announce that Derek Sobel has reprised his role as Chief Financial Officer

TORONTO , Sept. 15, 2026 /CNW/ -- Rock Tech Lithium Inc. (TSXV: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the "Company" or "Rock Tech" ) is pleased to announce an upsize of its previously announced non-brokered private placement, pursuant to which the Company may now issue up to an aggregate of 9,219,301 units (the " Units ") at a price of C$0.65 per Unit for aggregate gross proceeds of up to approximately C$6.0 million (the " Offering "), and the closing of the second tranche of the Offering.

The second tranche consisted of 5,402,493 Units for aggregate gross proceeds of C$3.51 million. To date, the Company has issued an aggregate of 8,171,793 Units at a price of C$0.65 per Unit for aggregate gross proceeds of approximately C$5.31 million in connection with the Offering.

An aggregate of C$3.25 million of the Offering was subscribed for by a strategic investor, with whom the Company expects to enter into a strategic equity participation at the project level in its fully permitted Guben lithium hydroxide converter in Guben, Brandenburg, Germany.

Each Unit consists of one common share in the capital of Rock Tech (the " Common Shares ") and one-half of one Common Share purchase warrant (each whole Common Share purchase warrant, a " Warrant "). Each Warrant entitles the holder thereof to purchase one Common Share (a " Warrant Share ") at an exercise price of $0.90 per Warrant Share for a period of 36 months following the date of issuance of such Warrant, subject to and in accordance with the terms and conditions of the certificate evidencing such Warrant, including adjustment in certain circumstances.

In connection with the Offering, the Company paid aggregate cash commissions of C$162,602.70 to eligible finders (collectively, the " Finders ") and issued an aggregate of 253,155 finders' warrants (the " Finders' Warrants ") to such Finders. Each Finders' Warrant entitles the holder thereof to acquire one Common Share at an exercise price of C$0.65 per Common Share for a period of 24 months from the date of issuance.

The Company intends to use the net proceeds raised from the Offering to advance the Definitive Feasibility Study for the Georgia Lake Mine and the development of the Red Rock Converter in Ontario, and for general corporate and working capital purposes.

Closing of the Offering remains subject to receipt of final approval of the TSX Venture Exchange. All securities issued in connection with the Offering will be subject to a statutory hold period of four months plus a day from the date of issuance in accordance with applicable securities legislation in Canada.