Waste Connections, Inc. 10-Q

Item 1. Legal Proceedings Information regarding our legal proceedings can be found in Note 18 of our Condensed Consolidated Financial Statements included in Part I, Item 1 of this report and is incorporated herein by reference. ​ ​ Item 6. Exhibits ​ Exhibit Number Description of Exhibits 3.1 ​ Articles of Amendment (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed on May 26, 2017) 3.2 ​ Articles of Amalgamation (incorporated by reference to Exhibit 3.2 of the Registrant’s Form 8-K filed on June 7, 2016) 3.3 ​ Articles of Amendment (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed on June 7, 2016) 3.4 ​ By-law No. 1 of the Registrant (incorporated by reference to Exhibit 3.3 of the Registrant’s Form 8-K filed on June 7, 2016) 10.1 + ​ Employment Agreement by and between Waste ‎Connections of Canada Inc. and Dan Pio, effective October 20, 2023 31.1 ​ Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a) 31.2 ​ Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a) 32.1 ​ Certification of Principal Executive Officer pursuant to 18 U.S.C. §1350 32.2 ​ Certification of Principal Financial Officer pursuant to 18 U.S.C. §1350 101.INS ​ The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document 101.SCH ​ XBRL Taxonomy Extension Schema Document 101.CAL ​ XBRL Taxonomy Extension Calculation Linkbase Document 101.LAB ​ XBRL Taxonomy Extension Labels Linkbase Document 101.PRE ​ XBRL Taxonomy Extension Presentation Linkbase Document 101.DEF ​ XBRL Taxonomy Extension Definition Linkbase Document 104 ​ Cover Page Interactive Data File – The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. + Management contract or compensatory plan, contract or arrangement. ​ 59 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ​ ​ ​ ​ WASTE CONNECTIONS, INC. ​ ​ Date: October 26, 2023 BY: /s/ Ronald J. Mittelstaedt ​ ​ Ronald J. Mittelstaedt ​ ​ President and Chief Executive Officer ​ ​ Date: October 26, 2023 BY: /s/ Mary Anne Whitney ​ ​ Mary Anne Whitney ​ ​ Executive Vice President and Chief Financial Officer ​ ​ ​ 60