Company: WCN
Filing Date: 2025-05-30
Form Type: 424B5
Source: 0001104659-25-054854
Chunk: 24

Company: Waste Connections, Inc.
Filing Date: 2025-05-30
Form: 424B5
Chunk 24
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 Act of 1939, as amended.

The following description of certain provisions of the Notes and of the indenture is a summary and is subject to, and qualified in its entirety by reference to, the accompanying base prospectus and the indenture. Not all the defined terms used in this prospectus supplement are defined herein, and you should refer to the accompanying base prospectus or the indenture for the definitions of such terms. References, in this “Description of Notes” section only, to the “Company,” “Waste Connections,” “we,” “us” and “our” refer to Waste Connections, Inc., exclusive of our subsidiaries, unless expressly stated or the context otherwise requires.

#### General
The Notes will:

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accrue interest at the rate of 5.250% per year;

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be initially limited to $500,000,000 aggregate principal amount;

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be issued in minimum denominations of $2,000 and integral multiples of $1,000 in excess thereof; and

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mature on September 1, 2035.

Interest on the Notes will:

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accrue from and including the date of issuance or the most recent interest payment date;

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be payable in cash semi-annually in arrears on each March 1 and September 1 beginning on March 1, 2026;

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be payable to the holders of record as of the close of business on February 15 and August 15 immediately preceding the related interest payment dates; and

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be computed on the basis of a 360-day year consisting of twelve 30-day months.

Additional Notes of the same class and series (“Additional Notes”) may be issued in one or more tranches from time to time, without notice to or the consent of the existing holders of the Notes; provided , that if the Additional Notes are not fungible with the Notes for U.S. federal income tax purposes, they will be issued under a separate CUSIP number and ISIN from the Notes. Unless the context requires otherwise, references to “Notes” for all purposes of the indenture and this “Description of Notes” include any Additional Notes that are actually issued.

The Notes will be our unsecured and unsubordinated obligations and will rank equally with all of our other unsecured and unsubordinated indebtedness from time to time outstanding. The Notes will be senior to any of our subordinated indebtedness from time to time outstanding and will be junior to our secured indebtedness from time to time outstanding to the extent of the value of