Modern Slavery Act Disclosure Statement ▪ Consideration of high-risk countries where modern slavery is more prevalent; ▪ A third party risk management process, which includes restricted party screening; and Effective March 2023 ▪ Cross-departmental review and approval of new suppliers, vendors, and service providers with whom Mimecast has contractual relationships (collectively

Modern Slavery Act Statement - Page 3 Modern Slavery Act Statement Page 2 Page 4