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Unum 2011 Annual Report
Unum
2011
67
The following two tables show the length of time our investment-grade and below-investment-grade fixed maturity securities had
been in a gross unrealized loss position as of December 31, 2011 and at the end of the prior four quarters. The relationships of the current
fair value to amortized cost are not necessarily indicative of the fair value to amortized cost relationships for the securities throughout the
entire time that the securities have been in an unrealized loss position nor are they necessarily indicative of the relationships after
December 31, 2011.
Unrealized Loss on Investment-Grade Fixed Maturity Securities
Length of Time in Unrealized Loss Position
2011 2010
(in millions of dollars) December 31 September 30 June 30 March 31 December 31
Fair Value < 100% >= 70% of Amortized Cost
<= 90 days $ 12.8 $ 38.9 $ 16.7 $14.8 $ 93.2
> 90 <= 180 days 34.3 14.1 2.9 82.4 16.9
> 180 <= 270 days 8.0 — 39.7 14.5 1.9
> 270 days <= 1 year — 24.6 14.8 1.6 —
> 1 year <= 2 years 33.7 11.4 2.6 1.5 2.0
> 2 years <= 3 years 1.1 1.8 2.4 9.6 24.4
> 3 years 40.9 28.1 42.2 37.2 43.3
Sub-total 130.8 118.9 121.3 161.6 181.7
Fair Value < 70% >= 40% of Amortized Cost
> 2 years <= 3 years — — 3.3 3.4 3.2
> 3 years 9.5 27.1 11.1 11.9 —
Sub-total 9.5 27.1 14.4 15.3 3.2
Total $140.3 $146.0 $135.7 $176.9 $184.9