Company: WCN
Filing Date: 2025-05-30
Form Type: 424B5
Source: 0001104659-25-054854
Chunk: 2

Company: Waste Connections, Inc.
Filing Date: 2025-05-30
Form: 424B5
Chunk 2
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 give any information or to make any representation other than those contained or incorporated by reference in this prospectus

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supplement and the accompanying base prospectus. This prospectus supplement and the accompanying base prospectus do not constitute an offer to sell or the solicitation of an offer to buy any securities other than the registered securities to which they relate, nor does this prospectus supplement or the accompanying base prospectus constitute an offer to sell or the solicitation of an offer to buy securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction. You should not assume that the information contained in this prospectus supplement or the accompanying base prospectus is accurate on any date subsequent to the date set forth on the front of the document or that any information we have incorporated by reference is correct on any date subsequent to the date of the document incorporated by reference, even though this prospectus supplement and the accompanying base prospectus is delivered or securities are sold on a later date.

Delivery of the Notes is expected to be made against payment for the Notes on June 4, 2025, which will be the fifth business day following the date hereof (this settlement cycle being referred to as “T+5”). Under Rule 15c6-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), trades in the secondary market generally are required to settle in one business day, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the Notes on any date prior to one business day before delivery will be required, by virtue of the fact that the Notes initially will settle in T+5, to specify alternate settlement arrangements at the time of any such trade to prevent a failed settlement and should consult their own advisers.

Unless otherwise indicated or unless the context requires otherwise, all references in this prospectus to “we,” “us,” “our,” or the “Company” mean Waste Connections, Inc., a corporation under the laws of Ontario, Canada, and our consolidated subsidiaries, except where it is made clear that the terms mean Waste Connections, Inc. only.

The reporting currency of the Company is the U.S. dollar. The Company’s consolidated Canadian dollar financial position is translated to U.S. dollars by applying the foreign currency exchange rate in effect at the presentation date.

#### Trademarks, Service Marks and Trade Names
We own or have rights to various trademarks, service marks and trade names that we use in connection