Merck & Co. Inc. | 2013 | FY | 3

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
 
2013
 
2012
 
2011
Balance January 1
$
4,425

 
$
4,277

 
$
4,919

Additions related to current year positions
320

 
496

 
695

Additions related to prior year positions
177

 
58

 
145

Reductions for tax positions of prior years (1) 
(747
)
 
(320
)
 
(1,223
)
Settlements
(603
)
 
(67
)
 
(259
)
Lapse of statute of limitations
(69
)
 
(19
)
 
—

Balance December 31
$
3,503

 
$
4,425

 
$
4,277

(1) 
Amounts reflect the settlements with the IRS and CRA as discussed below.

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