• Columbia Banking System average operating margin for 2023 was 26.62%, a 32.69% decline from 2022.
• Columbia Banking System average operating margin for 2022 was 39.55%, a 7.57% decline from 2021.
• Columbia Banking System average operating margin for 2021 was 42.79%, a 41.64% decline 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.