Simulations Plus (SLP) Proxy filing summary

Executive summary

• Special meeting scheduled for August 27, 2026, to vote on the proposed merger with SP Evolution HoldCo II, LLC, making the company a wholly owned subsidiary.

• Supplementary disclosures provided in response to shareholder demand letters and litigation alleging deficiencies in the original proxy statement.

• Forward-looking statements address anticipated benefits, timing, and risks associated with the merger.

Voting matters and shareholder proposals

• Shareholders are to vote on the adoption of the Merger Agreement, with instructions for proxy submission and contact information for assistance.

Board of directors and corporate governance

• No agreements or negotiations regarding post-closing employment, compensation, or retention for directors or officers with the acquiring party prior to the merger agreement.

• Directors and executive officers' interests in the merger, including security holdings, are disclosed in referenced proxy materials.