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Mortgage-backed Securities | 3 Months Ended
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Jun. 30, 2012
Notes |
Mortgage-backed Securities |
6. | MORTGAGE-BACKED SECURITIES
Mortgage-backed securities held to maturity consisted of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
June 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |
FHLMC mortgage-backed securities | $ | 68 |  | $ | 3 |  | $ | - |  | $ | 71 |
FNMA mortgage-backed securities |  | 100 |  |  | 2 |  |  | - |  |  | 102 |
Total | $ | 168 |  | $ | 5 |  | $ | - |  | $ | 173 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |
FHLMC mortgage-backed securities | $ | 69 |  | $ | 4 |  | $ | - |  | $ | 73 |
FNMA mortgage-backed securities |  | 102 |  |  | 2 |  |  | - |  |  | 104 |
Total | $ | 171 |  | $ | 6 |  | $ | - |  | $ | 177 |
The contractual maturities of mortgage-backed securities classified as held to maturity are as follows (in thousands):
June 30, 2012 |  | Amortized Cost |  |  | Estimated Fair Value
Due in one year or less | $ | - |  | $ | -
Due after one year through five years |  | 3 |  |  | 3
Due after five years through ten years |  | - |  |  | -
Due after ten years |  | 165 |  |  | 170
Total | $ | 168 |  | $ | 173
Mortgage-backed securities held to maturity with an amortized cost of $67,000 and $69,000 and a fair value of $69,000 and $71,000 at June 30, 2012 and March 31, 2012, respectively, were pledged as collateral for governmental public funds held by the Bank. Mortgage-backed securities available for sale consisted of the following (in thousands):
June 30, 2012 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Real estate mortgage investment conduits | $ | 296 |  | $ | 8 |  | $ | - |  | $ | 304 |
FHLMC mortgage-backed securities |  | 484 |  |  | 18 |  |  | - |  |  | 502 |
FNMA mortgage-backed securities |  | 7 |  |  | - |  |  | - |  |  | 7 |
Total | $ | 787 |  | $ | 26 |  | $ | - |  | $ | 813 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |
Real estate mortgage investment conduits | $ | 319 |  | $ | 10 |  | $ | - |  | $ | 329 |
FHLMC mortgage-backed securities |  | 613 |  |  | 23 |  |  | - |  |  | 636 |
FNMA mortgage-backed securities |  | 8 |  |  | 1 |  |  | - |  |  | 9 |
Total | $ | 940 |  | $ | 34 |  | $ | - |  | $ | 974 |
The contractual maturities of mortgage-backed securities available for sale are as follows (in thousands):
June 30, 2012 |  | Amortized Cost |  |  | Estimated Fair Value
Due in one year or less | $ | - |  | $ | -
Due after one year through five years |  | 574 |  |  | 595
Due after five years through ten years |  | - |  |  | -
Due after ten years |  | 213 |  |  | 218
Total | $ | 787 |  | $ | 813
Expected maturities of mortgage-backed securities will differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties. Mortgage-backed securities available for sale with an amortized cost of $639,000 and $744,000 and a fair value of $663,000 and $776,000 at June 30, 2012 and March 31, 2012, respectively, were pledged as collateral for government public funds held by the Bank. The real estate mortgage investment conduits consist of Federal Home Loan Mortgage Corporation (FHLMC) and Federal National Mortgage Association (FNMA) securities.

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