UnitedHealth Group Continues to Evolve Leadership

UnitedHealth Group (NYSE: UNH) today announced a further step in the evolution of the company’s leadership as the company continues to develop and deploy new products and services that anticipate and meet the health care needs of those it is privileged to serve.

John Rex, formerly executive vice president, chief financial officer, Optum, has been appointed chief financial officer of UnitedHealth Group, effective immediately, succeeding David S. Wichmann who will now devote his full energy and attention to his duties as president of the company. Rex has also been named a member of the Office of the Chief Executive.

Tami Reller, currently executive vice president and chief marketing officer of Optum, has been named chief financial officer, Optum, effective also immediately. Before joining Optum she had chief financial officer experience within Microsoft and at Great Plains Software.

As chief financial officer of UnitedHealth Group, Rex assumes oversight responsibilities for Treasury, mergers and acquisitions, and venture and private equity investment activity. All finance, audit and financial compliance functions report directly to him within UnitedHealth Group and functionally across the enterprise.

Wichmann said, “The deep bench of our leadership team has long been a hallmark of UnitedHealth Group. John Rex has been an exceptional leader at Optum and a highly valued contributor to the enterprise overall, so our company will be very well served with him in his new role.”

About UnitedHealth GroupUnitedHealth Group (NYSE: UNH) is a diversified health and well-being company dedicated to helping people live healthier lives and making health care work better. UnitedHealth Group offers a broad spectrum of products and services through two distinct platforms: UnitedHealthcare, which provides health care coverage and benefits services; and Optum, which provides information and technology-enabled health services. For more information, visit UnitedHealth Group at www.unitedhealthgroup.com or follow @UnitedHealthGrp on Twitter.

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UnitedHealth GroupInvestors:John S. Penshorn, 952-936-7214Senior Vice PresidentorMedia:Tyler Mason, 424-333-6122Vice [e-mail]