Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-34370 WASTE CONNECTIONS, INC. (Exact name of registrant as specified in its charter) Ontario, Canada (State or othe ...

Investor Presentation March 2023 SAFE HARBOR STATEMENT This document contains forward-looking statements within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995 ("PSLRA"), including "forward-looking information" within the meaning of applicable Canadian securities laws. These forward-looking statements are neither historical facts nor assurances of future performance and reflect Waste Connections' current beliefs and expectations regarding future events ...

Waste Connections, Inc. (NYSE:WCN) Q4 2022 Earnings Conference Call February 16, 2023 8:30 AM ET Company Participants Worthing Jackman - President & CEO Mary Anne Whitney - EVP & CFO Conference Call Participants Jerry Revich - Goldman Sachs Toni Kaplan - Morgan Stanley Kevin Chiang - CIBC World Markets Walter Spracklin - RBC Capital Noah Kaye - Oppenheimer Tyler Brown - Raymond James Michael Hoffman - Stifel Chris Murray - ATB Capital Markets Stephanie Moore – Jefferies Kyle White - Deutsche Bank Stephanie ...

WASTE CONNECTIONS REPORTS FOURTH QUARTER 2022 RESULTS AND PROVIDES 2023 OUTLOOK Fourth Quarter Highlights - Price-led organic growth and acquisition activity drive Q4 results above expectations and provide higher entry point into 2023 - Revenue of $1.869 billion, net income(a) of $194.4 million, and adjusted EBITDA(b) of $563.6 million, or 30.2% of revenue, above expectations - Net income and adjusted net income(b) of $0.75 and $0.89 per share, respectively Full Year 2022 Highlights - Revenue of $7.212 bill ...

☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________ Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) Commission File No. 1-34370 WASTE CONNECTIONS, INC. (Exact name of registrant as specified in its charter) Ontario, Ca ...

Waste Connections, Inc. (NYSE:WCN) Q3 2022 Earnings Conference Call November 3, 2022 8:30 AM ET Company Participants Worthing Jackman - President, CEO & Director Mary Anne Whitney - EVP & CFO Conference Call Participants Toni Kaplan - Morgan Stanley Jerry Revich - Goldman Sachs Kyle White - Deutsche Bank Sean Eastman - KeyBanc Capital Markets Michael Hoffman - Stifel Noah Kaye - Oppenheimer Stephanie Moore - Jefferies Walter Spracklin - RBC Capital Stephanie Yee - JPMorgan Operator Good morning, and welcome ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-34370 WASTE CONNECTIONS, INC. (Exact name of registrant as specified in its charter) Ontario, Canada (State or ...

Waste Connections, Inc. (NYSE:WCN) Q2 2022 Results Conference Call August 3, 2022 8:30 AM ET Company Participants Worthing Jackman - President, CEO & Director Mary Anne Whitney - EVP & CFO Conference Call Participants Noah Kaye - Oppenheimer Hamzah Mazari - Jefferies Jerry Revich - Goldman Sachs Michael Hoffman - Stifel Sean Eastman - KeyBanc Capital Markets Kyle White - Deutsche Bank Operator Greetings, and welcome to the Waste Connections Second Quarter 2022 Earnings Conference Call. [Operator Instruction ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-34370 WASTE CONNECTIONS, INC. (Exact name of registrant as specified in its charter) Ontario, Canada (State or ot ...

Waste Connections, Inc. (NYSE:WCN) Q1 2022 Earnings Conference Call May 4, 2022 8:30 AM ET Company Participants Worthing Jackman - President, CEO & Director Mary Whitney - EVP & CFO Conference Call Participants Toni Kaplan - Morgan Stanley Walter Spracklin - RBC Capital Markets Stephanie Yee - JPMorgan Chase & Co. Noah Kaye - Oppenheimer Michael Hoffman - Stifel, Nicolaus & Company Kyle White - Deutsche Bank Mario Cortellacci - Jefferies Jerry Revich - Goldman Sachs Group Sean Eastman - KeyBanc Capital Mark ...