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Mr. Altabef has served as Chair of the Board of Directors of Unisys Corporation since 2018 and as Chief Executive Officer of Unisys since 2015. He also served as President of the Company from 2015 to 2020 and from December 2021 to May 2022. Prior to joining Unisys in 2015, Mr. Altabef was the President and Chief Executive Officer, and a member of the Board of Directors, of MICROS Systems, Inc. from 2013 until 2014, when MICROS Systems, Inc. was acquired by Oracle Corporation. He previously served as President and Chief Executive Officer of Perot Systems Corporation from 2004 until 2009, when Perot Systems was acquired by Dell, Inc. Thereafter, Mr. Altabef served as President of Dell Services (a unit of Dell Inc.) until his departure in 2011. Mr. Altabef serves on the Boards of Directors of NiSource Inc. and Petrus Trust Company, L.T.A. and the board of advisers of Merit Energy Company, LLC. He is also a member of the President’s National Security Telecommunications Advisory Committee, where he has served as co-chair of its Cybersecurity Moonshot subcommittee, and a trustee of the Committee for Economic Development (CED) of The Conference Board, where he serves as co-chair of the CED’s Technology and Innovation Committee. Mr. Altabef previously served as Senior Advisor to 2M Companies, Inc. in 2012, and served as a director of Belo Corporation from 2011 through 2013. Mr. Altabef has served on the Board since 2015.

Mr. Altabef has more than 25 years of senior leadership experience in the information technology industry and, having led both Perot Systems Corporation and MICROS Systems, Inc., has a proven ability to drive revenue growth and achieve strong financial performance. As a result, Mr. Altabef has the leadership skills and experience to serve as a director and as the Chair and Chief Executive Officer of the Company.