Insperity, Inc. (NYSE:NSP), a leading provider of human resources and business performance solutions for America's best businesses, announced today that is has changed the time of its first quarter earnings conference call. The call will now take place at 5:00 p.m. ET instead of 8:30 a.m. ET on the same date (Thursday, April 30, 2026). All other details regarding the earnings release and conference call remain unchanged.

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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Investor Relations Contact:

James D. Allison

Executive Vice President of Finance,

Chief Financial Officer and Treasurer

281-348-3140

Investor.Relations@Insperity.com

News Media Contact:

Cynthia Murga

Director, Public Relations

713-324-1414

Media@insperity.com

Insperity Announces Updated Time for First Quarter Earnings Conference Call