Marking Four Decades of Gratitude to Employees, Clients and Communities

Insperity, Inc. (NYSE:NSP), a leading provider of human resources and business performance solutions, is proud to announce its 40th anniversary today. As a founder of the professional services organization (PEO), Insperity has helped shape the evolution of HR from an administrative necessity to a strategic driver of business success and continues to innovate for the needs of small and midsize businesses.

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"Throughout our history, Insperity has navigated changing markets and generational shifts in the workforce—emerging stronger each time by staying true to our values," said Paul Sarvadi, Insperity's founder, chairman and chief executive officer. "Now more than ever, our innovative PEO model delivers people strategies, robust technology, expert service and risk mitigation to help small and midsize businesses navigate a dynamic and evolving business environment."

Insperity stands shoulder to shoulder with their clients, helping them align their people strategies with their business strategies, adopt evolving HR technology, and maintain HR compliance in a dynamic regulatory environment to drive the likelihood, degree and speed of success.

Central to Insperity's milestone are the thousands of clients that have implemented Insperity's leading solutions – Insperity HR360, Insperity HRCore, and the now available, Insperity HRScale – to help them navigate the complexities of running a business.

"Forty years of excellence is the result of strong, universal belief in our mission to help businesses succeed so communities prosper," Sarvadi added. "None of this would have been possible without the dedication of our employees and the confidence of our clients."

Guided by the same entrepreneurial spirit that launched the company, Insperity moves forward to provide the HR solutions that businesses need to thrive as the workplace continues to evolve.

About Insperity

Since 1986, Insperity's mission has been to help businesses succeed so communities prosper. Offering a suite of the most comprehensive, scalable HR solutions available in the marketplace, Insperity is defined by an unrivaled breadth and depth of services and level of care. Through an optimal blend of premium HR service and technology, Insperity delivers the administrative relief, reduced liabilities and better benefit solutions that businesses need to drive performance and growth. With 2025 revenues of $6.8 billion and sales and service operations throughout the U.S., Insperity is currently making a difference in thousands of businesses and communities nationwide. For more information, visit http://www.insperity.com.

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News Media Contact:

Cynthia Murga

Director, Public Relations

713-324-1414

Media@insperity.com

Investor Relations Contact:

James D. Alison

Executive Vice President of Finance,

Chief Financial Officer and Treasurer

281-348-3140

investor.relations@insperity.com

Insperity Celebrates 40 Years of Excellence