INSPERITY INC

Evaluation of Disclosure Controls and Procedures

In accordance with Exchange Act Rules 13a-15 and 15a-15, we carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2024.

Design and Evaluation of Internal Control over Financial Reporting

Pursuant to Section 404 of the Sarbanes-Oxley Act of 2002, we included a report of management’s assessment of the design and effectiveness of our internal controls as part of this Annual Report on Form 10-K for the fiscal year ended December 31, 2024. Ernst & Young LLP, our independent registered public accounting firm, also audited our internal control over financial reporting. Management’s report and the independent registered public accounting firm’s audit report are included in our 2024 Consolidated Financial Statements under the captions entitled “Management’s Report on Internal Control” and “Report of Independent Registered Public Accounting Firm,” and are incorporated herein by reference.

There has been no change in our internal control over financial reporting that occurred during the three months ended December 31, 2024, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.