Mr. Abe Dyck reports

ADURO CLEAN TECHNOLOGIES ANNOUNCES CLOSING $15.54 MILLION UNDERWRITTEN PUBLIC OFFERING

Aduro Clean Technologies Inc. has closed its underwritten U.S. and Canadian public offering of 1,028,645 common shares at a price of $15.20 (U.S.) ($21.20 (Canadian)) per common share for gross proceeds to the company of $15,635,404 (U.S.), before deducting underwriting discounts and offering expenses.

Canaccord Genuity acted as sole bookrunning manager and representative of the several underwriters in connection with the public offering.

Aduro intends to use the net proceeds from the public offering for expenditures related to the design, engineering and construction of its first-of-a-kind (FOAK) demonstration-scale industrial plant, continuing research and development costs, and the remainder for general corporate purposes and working capital.

The public offering was made concurrently in the United States and in the Canadian provinces of British Columbia and Ontario pursuant to an effective shelf registration statement on Form F-10, as amended (file No. 333-292023), previously filed with the U.S. Securities and Exchange Commission (SEC) on Dec. 15, 2025, and effective upon filing, and the company's Canadian short form base shelf prospectus dated Dec. 15, 2025, as supplemented by the prospectus supplement dated June 10, 2026.

The base shelf prospectus and the prospectus supplement relating to the public offering have been filed with the securities regulatory authorities in British Columbia and Ontario, and with the SEC in the United States, and are available for free under the company's profiles on SEDAR+ maintained by the Canadian Securities Administrators and on the SEC's website for EDGAR, as applicable. Copies of the prospectus supplement and accompanying base shelf prospectus may also be obtained from Canaccord Genuity LLC, attention: syndication department, 1 Post Office Square (30th floor), Boston, Mass., 02109, or by e-mail at prospectus@cgf.com.

All foreign exchange calculations set forth in this news release are based on the exchange rate posted by the Bank of Canada on June 9, 2026, of $1 (U.S.) to $1.3947 (Canadian). The public offering was conditionally approved by the Toronto Stock Exchange and remains subject only to customary postclosing conditions of the TSX.

About Aduro Clean Technologies Inc.

Aduro Clean Technologies is a developer of patented water-based technologies to chemically recycle waste plastics; convert heavy crude and bitumen into lighter, more valuable oil; and transform renewable oils into higher-value fuels or renewable chemicals. The company's Hydrochemolytic technology relies on water as a critical agent in a chemistry platform that operates at relatively low temperatures and cost, a game-changing approach that converts low-value feedstocks into resources for the 21st century.

We seek Safe Harbor.