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## B. Investment Portfolio Scheduled Maturity 

The weighted average duration of the assets in our investment portfolio as of December 31, 2012 was 4.7 years. The following table shows the scheduled maturities of the securities held in our investment portfolio at December 31, 2012: 

<img src='content_image/287147.jpg'>

(1) Actual maturities may dif fer as a result of calls before scheduled maturity . 

(2) RMBS, CMBS and other ABS are shown separately, as they are not due at a single maturity date. 

(3) No stated maturity date. 

## C. Investment Portfolio by Rating 

The following table shows the ratings of our investment portfolio as of December 31, 2012: 

<img src='content_image/287146.jpg'>

(1) Reflects the highest NRSRO rating assigned to the security as of December 31, 2012. 

(2) Includes $433.8 million of AAA-rated U.S. Government and Agency securities, $578.8 million in Ginnie Mae securities, $49.6 million in Freddie Mac securities, and $35.0 million in Fannie Mae securities that have not been rated by a NRSRO as of December 31, 2012. 

(3) Securities in this category have been rated non-investment grade by a NRSRO as of December 31, 2012. 

(4) Includes Limited Partnership investments and a guaranteed investment contract. 

