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Offering Circular Supplement (To Base Offering Circular dated October 1, 2004) $531,726,525 Government National Mortgage Association GINNIE MAE® Guaranteed Multifamily REMIC Pass-Through Securities Ginnie Mae REMIC Trust 2007-012 The Securities The Trust will issue the Classes of Securities listed on the front cover of   this   offering   circular supplement. The Ginnie Mae Guaranty Ginnie   Mae   will   guarantee   the timely payment of principal and in- terest  on  the  securities.  The  Gin- nie Mae Guaranty is backed by the full  faith  and  credit  of  the  United States of America. Ginnie Mae does not  guarantee  the  payment  of  any prepayment penalties. The Trust and its Assets The Trust will own (1) the Ginnie Mae   Multifamily   Certificates   de- scribed on Exhibit A and (2) cer- tain previously issued multifamily certificates described in Exhibits B, C and D. The securities may not be suitable investments for you. You should consider carefully the risks of investing in them. See "Risk Factors" beginning on page S-7 which highlights some of these risks. The Sponsor and the Co-Sponsor will offer the securities from time to time in negotiated transactions at varying prices. We expect the closing date to be March 30, 2007. You should read the Base Offering Circular for Guaranteed Multifamily REMIC Pass-Through Securities and this Supplement. The  securities  are  exempt  from  registration  under  the  Securities  Act  of  1933  and  are  "exempted securities" under the Securities Exchange Act of 1934. Class of REMIC Securities Original Principal Balance(1) Interest Rate Principal Type(2) Interest Type(2) CUSIP Number Final Distribution Date(3) Security Group 1 A ..............................   $176,375,000 3.957% SEQ FIX 38373MYF1 June 2031 B................................ 68,631,700 (4) SEQ WAC/DLY 38373MYG9   December 2036 C  .............................. 58,337,285 (4) SEQ WAC/DLY 38373MYH7 April 2041 Z  .............................. 5,000,000 (4) SEQ WAC/Z/DLY 38373MYJ3 February 2047 IO  ............................ 308,343,985 (4)  NTL (PT)   WAC/IO/DLY   38373MYK0 February 2047 Security Group 2 KA ............................ 163,100,000 (4) SC/SEQ WAC/DLY 38373MYL8 July 2040 KB ............................ 36,000,000 (4) SC/SEQ WAC/DLY 38373MYM6 July 2040 KC ............................ 24,282,540 (4) SC/SEQ WAC/DLY 38373MYN4 July 2040 Residual RR ............................ 0 0.0 NPR NPR 38373MYP9 February 2047 (1)  Subject to increase as described under "Increase in Size" in this Supplement. The amount shown for the Notional Class (indicated by "NTL" under Principal Type) is its original Class Notional Balance and does not represent principal that will be paid. (2)  As defined under "Class Types" in Appendix I to the Base Offering Circular. The type of Class with which the Class Notional Balance of the Notional Class will be reduced is indicated in parentheses. (3)  See  "Yield,  Maturity  and  Prepayment  Considerations – Final  Distribution  Date"  in  this Supplement. (4)  See "Terms Sheet – Interest Rates" in this Supplement. Banc of America Securities LLC Myerberg and Company L.P. The date of this Offering Circular Supplement is March 26, 2007. C-34