SECURE Announces Closing of $300 Million Senior Unsecured Note Financing

Press Release

CALGARY, AB, Nov. 20, 2025  – SECURE Waste Infrastructure Corp. (“SECURE” or the “Corporation”) (TSX: SES), a leading waste management and energy infrastructure company, announced today that it has successfully closed its previously announced private placement (the “Offering”) of $300 million aggregate principal amount of 5.75% senior unsecured notes due November 20, 2032 (the “Notes”) at an issue price of $1,000 per $1,000 principal amount of Notes, representing a yield of 5.75%.

The Offering was underwritten by a syndicate of underwriters with BMO Capital Markets and National Bank Capital Markets acting as joint bookrunners; ATB Capital Markets, CIBC Capital Markets, RBC Dominion Securities, Scotia Capital, and TD Securities, as co-lead managers; and Raymond James and Stifel Nicolaus Canada, as co-managers.

SECURE intends to use the net proceeds of the Offering to repay existing indebtedness under the Corporation’s senior secured revolving credit facility and for general corporate purposes.

The Notes were conditionally offered for sale in Canada on a private placement basis pursuant to certain prospectus exemptions. The Notes have not been registered under the U.S. Securities Act, or any state securities laws, and were offered and sold in the United States only to qualified institutional buyers in reliance on Rule 144A under the U.S. Securities Act and applicable state securities laws and outside the United States in offshore transactions in reliance on Regulation S under the U.S. Securities Act.

This news release does not constitute an offer to sell, or a solicitation of an offer to buy, any security and shall not constitute an offer, solicitation or sale in any jurisdiction in which such an offer, solicitation, or sale would be unlawful.

For further information: For more information: Allen Gransch, President and Chief Executive Officer; Chad Magus, Chief Financial Officer, Phone: (403) 984-6100, Fax: (403) 984-6101, Email: ir@secure.ca, Website: www.secure.ca

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