Simulations Plus

* Effective September 1, 2023, our board of directors adopted a new Code of Conduct, which replaced our previous Corporate Code of Business Conduct and Ethics. The new Code of Conduct incorporates current industry and public company best practices, and was prepared to improve its readability and clarify certain areas of importance, including with respect to compliance with certain laws, conflicts of interest, insider trading, confidentiality obligations, health and environmental protections, vendor audits and reporting of violations. The adoption of the new Code of Conduct did not relate to or result in any waiver, whether explicit or implicit, of any provision of the Corporate Code of Business Conduct and Ethics.

 The new Code of Conduct applies to our board of directors, officers, employees, and affiliates, and governs conduct between our employees and our customers and vendors.