On October 30, 2023 the board of directors of Heartland Express, Inc. elected Brenda Lantz Ph.D. as a director of the company, effective immediately. Dr. Lantz will serve as a member of the company's nominating and governance committee and compensation committee. As a non-employee director, Dr. Lantz will receive compensation for her services as a member of the company's board of directors, and the committees of the board of directors on which she serves, that is consistent with compensation received by the other non-employee members of the company's board of directors.

Dr. Brenda Lantz is the Associate Director of North Dakota State University's Upper Great Plains Transportation Institute (the UGPTI) as well as the Program Director for the Commercial Vehicle Safety Center (the CVSC) at UGPTI. As Associate Director, Dr. Lantz, helps lead the UGPTI?s research, education, and outreach activities. She assists in managing and promoting the institute while working to improve coordination among the institute?s centers and encouraging synergy among staff.

As Program Director of the CVSC, Dr. Lantz serves as a point of contact for universities, law enforcement, and other agencies seeking assistance to establish partnerships to improve commercial vehicle safety in the U.S. Western region. She also conducts safety-related research and analysis. On November 1, 2023, Larry Gordon, a member of the board of directors of the company, provided notice to the company of his retirement as a board member effective immediately.

Mr. Gordon's decision to retire is not a result of any disagreement with the company on any matter relating to the company's operations, policies, or practices. The company thanks Mr. Gordon for his 10 years of board service to the company.