Aduro Clean Technologies Announces Closing of Underwriter’s Over-Allotment Option in Public Offering

Aduro Clean Technologies Announces Closing of Underwriter's Over-Allotment Option in Public Offering GNW

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LONDON, Ontario, Jan. 30, 2026 (GLOBE NEWSWIRE) — Aduro Clean Technologies Inc. (“Aduro” or the “Company“) (Nasdaq: ADUR) (CSE: ACT) (FSE: 9D5), a clean technology company using the power of chemistry to transform lower value feedstocks, like waste plastics, heavy bitumen, and renewable oils, into resources for the 21st century, today announced that it issued an additional 260,869 common shares and warrants to purchase an additional 130,434 common shares, for total gross proceeds of approximately US$3 million, pursuant to D. Boral Capital LLC’s full exercise of its underwriter’s over-allotment option in connection with the Company’s previously announced underwritten U.S. public offering of common shares and accompanying warrants to purchase common shares (“Offering”). The common shares issued pursuant to the over-allotment option were sold in combination with an accompanying half warrant (with each whole warrant being exercisable into one common share of the Company). Each whole warrant has an exercise price of US$16.00 per share and are exercisable immediately and will expire three years from the date of issuance.

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D. Boral Capital LLC acted as lead Underwriter for the Offering. Roth Capital Partners acted as financial advisor for the Offering.

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Aduro intends to use the net proceeds from the Offering for expenditures related to the construction of its Demonstration-Scale Plant and the remainder (if any) for ongoing research and development, general corporate purposes and working capital.

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The Offering was made 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 December 15, 2025, which became effective upon filing, and the Company’s Canadian short form base shelf prospectus dated December 15, 2025 (the “Base Shelf Prospectus”). Aduro offered and sold the securities in the United States only. No securities were offered or sold to Canadian purchasers.

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The Base Shelf Prospectus relating to the Offering and describing the terms thereof has been filed with the applicable securities commissions in Canada and with the SEC in the United States and is available for free by visiting the Company’s profiles on the SEDAR+ website maintained by the Canadian Securities Administrators at www.sedarplus.ca or the SEC’s website at www.sec.gov, as applicable. A final prospectus supplement with the final terms was filed with the securities regulatory authorities in the Canadian provinces of British Columbia and Ontario and with the SEC. Copies of the final prospectus may be obtained at the SEC’s website at www.sec.gov or from D. Boral Capital LLC, Attention: 590 Madison Avenue 39th Floor, New York, NY 10022, or by email at [email protected], or by telephone at +1(212) 970-5150.

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Before you invest, you should read the prospectus and other documents the Company has filed or will file with the SEC for more complete information about the Company and the Offering. This press release shall not constitute an offer to sell, or the solicitation of an offer to buy any of the Company’s securities, nor shall such securities be offered or sold in the United States absent registration or an applicable exemption from registration, nor shall there be any offer, solicitation or sale of any of the Company’s securities in any state or jurisdiction in which such offers, solicitations or sales would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction.

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About Aduro Clean Technologies

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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.