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Depreciation and amortization was comprised of the following for the years ended December 31: 

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The increase in amortization of other intangibles in 2012 relates primarily to the acquisitions of HealthSpring and, to a lesser extent, Great American Supplemental Benefits and Finans Emeklilik. 

The Company estimates annual pre-tax amortization for intangible assets, including internal-use software, over the next five calendar 

## Pension and Other Postretirement Benefit Plans NOTE 10 

## A. Pension and Other Postretirement Benefit Plans 

The Company and certain of its subsidiaries provide pension, health care and life insurance defined benefits to eligible retired employees, spouses and other eligible dependents through various domestic and foreign plans. The effect of its foreign pension and other 

years to be as follows: $415 million in 2013, $368 million in 2014, $312 million in 2015, $262 million in 2016, and $213 million in 2017. 

postretirement benefit plans is immaterial to the Company’s results of operations, liquidity and financial position. Effective July 1, 2009, the Company froze its primary domestic defined benefit pension plans. 

The Company measures the assets and liabilities of its domestic pension and other postretirement benefit plans as of December 31. The following table summarizes the projected benefit obligations and assets related to the Company’s domestic and international pension and other postretirement benefit plans as of, and for the year ended, December 31: 

<img src='content_image/201662.jpg'>

The postretirement benefits liability adjustment included in accumulated other comprehensive loss consisted of the following as of December 31: 

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