• GFL Environmental average gross margin for 2023 was 14.77%, a 36.38% increase from 2022.
• GFL Environmental average gross margin for 2022 was 10.83%, a 72.18% increase from 2021.
• GFL Environmental average gross margin for 2021 was 6.29%, a 18.1% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.