EMC 2007 Annual Report Download - page 79

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EMC CORPORATION
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - (Continued)
Investments
The following tables summarize the composition of our available for sale, short and long-term investments, at December 31, 2007 and 2006 (tables in
thousands). Fair value was determined based upon quoted market prices for the security.
December 31, 2007
Amortized
Cost Basis
Aggregate
Fair Value
U.S. government and agency obligations $ 578,547 $ 589,558
U.S. corporate debt securities 188,512 189,772
Asset and mortgage-backed securities 276,661 277,050
Municipal obligations 1,387,711 1,392,252
Auction rate securities 972,514 972,525
Foreign debt securities 48,523 49,118
Total $3,452,468 $3,470,275
December 31, 2006
Amortized
Cost Basis
Aggregate
Fair Value
U.S. government and agency obligations $1,077,756 $1,072,352
U.S. corporate debt securities 572,157 568,569
Asset and mortgage-backed securities 787,841 782,805
Municipal obligations 489,405 486,898
Auction rate securities 812,778 812,780
Foreign debt securities 44,996 44,811
Total $3,784,933 $3,768,215
As of February 15, 2008, the amortized cost and the aggregate fair value of our auction rate securities were both $367.5 million.
Gross unrealized gains on these investments were $22.0 million and $2.9 million at December 31, 2007 and 2006, respectively. Gross unrealized losses
on these investments were $4.2 million and $19.6 million at December 31, 2007 and 2006, respectively. Gross realized gains on these investments were
$7.4 million, $17.9 million and $4.9 million in 2007, 2006 and 2005, respectively. Gross realized losses on these investments were $17.5 million,
$45.7 million and $63.8 million in 2007, 2006 and 2005, respectively.
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