• MSA Safety Incorporporated average return on investment for 2023 was 1.55, a 71.08% increase from 2022.
• MSA Safety Incorporporated average return on investment for 2022 was 5.36, a 26.58% decline from 2021.
• MSA Safety Incorporporated average return on investment for 2021 was 7.3, a 45.6% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.