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## MetLife, Inc. Notes to the Consolidated Financial Statements — (Continued) 

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## 4. Insurance 

## Insurance Liabilities 

Insurance liabilities are comprised of future policy benefits, PABs and other policy-related balances. Information regarding insurance liabilities by segment, as well as Corporate & Other, was as follows at: 

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Future policy benefits are measured as follows: 

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Participating business represented 6% of the Company’s life insurance in-force at both December 31, 2012 and 2011. Participating policies represented 20%, 21% and 26% of gross life insurance premiums for the years ended December 31, 2012, 2011 and 2010, respectively. 

PABs are equal to: (i) policy account values, which consist of an accumulation of gross premium payments and investment performance; (ii) credited interest, ranging from 1% to 13% for domestic business and 1% to 16% for international business, less expenses, mortality charges and withdrawals; and (iii) fair value adjustments relating to business combinations. 

