Waste Connections, Inc. (TSX/NYSE:WCN) ("Waste Connections" or the "Company") today announced the results of its annual meeting of shareholders (the "Meeting"). All eight director nominees in the Company's 2026 management information circular and proxy statement (the "Proxy Statement") were nominated and elected as directors of the Company at the Meeting. Each director will serve until the close of the next annual meeting of shareholders or until his or her earlier resignation, or his or her successor is duly elected or appointed.

Detailed results of the vote are:

Nominee	Votes For	% Votes For	Votes Withheld	% Votes Withheld
Daniel L. Florness	199,520,109	93.84	13,083,681	6.15
Edward E. "Ned" Guillet	196,083,938	92.22	16,519,852	7.77
Michael W. Harlan	196,501,112	92.42	16,102,678	7.57
Elise L. Jordan	208,573,444	98.10	4,030,346	1.89
Cherylyn Harley LeBon	210,953,439	99.22	1,650,351	0.77
Susan "Sue" Lee	141,080,632	66.35	71,523,158	33.64
Ronald J. Mittelstaedt	207,172,995	97.44	5,430,795	2.55
Carl D. Sparks	211,114,364	99.29	1,489,426	0.70

All director nominees were elected in accordance with the majority voting policy included in the Company's Corporate Governance Guidelines and Board Charter, with each receiving a majority of the total votes cast in respect of his or her election.

The shareholders approved on a non-binding, advisory basis the compensation of the Company's named executive officers as disclosed in the Proxy Statement ("Say-on-Pay").

The shareholders approved the appointment of Grant Thornton LLP as the Company's independent registered public accounting firm for 2026 and authorized the Company's Board of Directors to fix the remuneration of the independent registered public accounting firm.

Final voting results on all matters considered at the Meeting will be filed with the U.S. Securities and Exchange Commission and the securities commissions or similar regulatory authorities in Canada.

About Waste Connections

Waste Connections (wasteconnections.com) is an integrated solid waste services company that provides non-hazardous waste collection, transfer and disposal services, including by rail, along with resource recovery primarily through recycling and renewable fuels generation. The Company serves approximately nine million residential, commercial and industrial customers in mostly exclusive and secondary markets across 46 states in the U.S. and six provinces in Canada. Waste Connections also provides non-hazardous oilfield waste treatment, recovery and disposal services in several basins across the U.S. and Canada, as well as intermodal services for the movement of cargo and solid waste containers in the Pacific Northwest. Waste Connections views its Environmental, Social and Governance ("ESG") efforts as integral to its business, with initiatives consistent with its objective of long-term value creation and focused on reducing emissions, increasing resource recovery of both recyclable commodities and clean energy fuels, reducing reliance on off-site disposal for landfill leachate, further improving safety and enhancing employee engagement. Visit wasteconnections.com/sustainability for more information and updates on our progress towards targeted achievement.

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Mary Anne Whitney / (832) 442-2253

maryannew@wasteconnections.com

Joe Box / (832) 442-2153

joe.box@wasteconnections.com

Waste Connections Annual Shareholders Meeting Results