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CHATTANOOGA, Tenn.--([ BUSINESS WIRE ])--Unum Group (NYSE:UNM) today announced that Jack McGarry, who has served as CEO of Unum UK since July 2010, will return to the U.S. to manage the companyas closed block of business. Peter OaDonnell, senior vice president and chief financial officer of Unum UK, has been named to replace McGarry as president and CEO of that unit.

"These leadership changes affect two very important areas of our company"

aThese leadership changes affect two very important areas of our company,a said Thomas R. Watjen, president and CEO of Unum Group. aOur closed block now represents over 25 percent of our capital, and Iam confident that Jackas significant financial and operational expertise will help us improve the performance of this business.a

Unumas closed block includes individual disability policies issued prior to the mid-1990s and all of the companyas long-term care business. Unum discontinued writing individual long-term care policies in 2009 and new group long-term care policies earlier this year. As of June 30, 2012, this business segment had assets of more than $32 billion.

Peter OaDonnell, who succeeds McGarry as president and CEO of Unum UK, joined the company in June 2010 as its chief financial officer. aPeter has been a tremendous addition to our leadership team, with a proven track record of success both at Unum UK and within the financial services industry,a added Watjen. aIam confident he will be able to help us capitalize on our unique position in the U.K. market.a

Prior to joining Unum UK, OaDonnell spent a number of years in senior finance roles at RSA plc and Aviva plc and was director, Group Finance, for Prudential plc. He has a bachelor of commerce degree from University College Dublin.

With OaDonnellas promotion, Deputy CFO Stephen Harry becomes CFO of Unum UK.

Both OaDonnell and Harryas appointments are subject to formal approval by the U.K. Financial Services Authority.

ABOUT UNUM GROUP

Unum Group ([ www.unum.com ]) is a leading provider of financial protection benefits in the United States and the United Kingdom. Unumas portfolio includes disability, life, accident and critical illness coverage, which help protect millions of working people and their families in the event of an illness or injury. The company reported revenues of $10.3 billion in 2011, and its subsidiaries a" Unum US, Colonial Life and Unum UK a" provided more than $6 billion in benefits last year.