Company: WCN
Filing Date: 2025-04-04
Form Type: DEFA14A
Source: 0001104659-25-032207
Chunk: 0

Company: Waste Connections, Inc.
Filing Date: 2025-04-04
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a)
of
the Securities Exchange Act of 1934 (Amendment No. )</div>

Filed by the Registrant x

Filed by a Party other than the Registrant ¨

Check the appropriate box:

| ¨ | Preliminary Proxy Statement |

| ¨ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |

| ¨ | Definitive Proxy Statement |

| x | Definitive Additional Materials |

| ¨ | Soliciting Material under §240.14a-12 |

<div align='center'>Waste Connections, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check the appropriate box):

| x | No fee required. |

| ¨ | Fee paid previously with preliminary materials. |

| ¨ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a6(i)(1) and 0-11 |

| Your Vote Counts!                                                                                                                                                
 *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. 
 Smartphone users                                                                                                                                                 
 Point your camera here and                                                                                                                                       
 vote without entering a                                                                                                                                          
 control number                                                                                                                                                   
 For complete information and to vote, visit www.ProxyVote.com                                                                                                    
 Control #                                                                                                                                                        
 V64567-P25118                                                                                                                                                    
 WASTE CONNECTIONS, INC.                                                                                                                                          
 3 WATERWAY SQUARE PLACE, SUITE 110                                                                                                                               
 THE WOODLANDS, TEXAS 77380 USA                                                                                                                                   
 WASTE CONNECTIONS, INC.                                                                                                                                          
 2025 Annual Meeting of Shareholders                                                                                                                              
 Vote by May 15, 2025 11:59 PM ET.                                                                                                                                
 You invested in WASTE CONNECTIONS, INC. and it’s time to vote!                                                                                                   
 You have the right to vote on proposals being presented at the Annual Meeting of Shareholders. This is an important notice                                       
 regarding the availability of proxy materials for the Annual Meeting of Shareholders to be held on May 16, 2025.                                                 
 Get informed before you vote                                                                                                                                     
 View the Notice and Proxy Statement and