• Plains All American Pipeline average operating margin for 2023 was 2.67%, a 15.09% increase from 2022.
• Plains All American Pipeline average operating margin for 2022 was 2.32%, a 14.85% increase from 2021.
• Plains All American Pipeline average operating margin for 2021 was 2.02%, a 128.61% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.