CORRECTED - BRIEF-Fannie Mae says to offer $4.5 bln stock, convertibles

(Fixes figure in headline to $4.5 bln)

May 8 (Reuters) - Fannie Mae (FNM.N): * CORRECTED-FANNIE MAE (FNM.N) SAYS PRICED 82 MLN COMMON SHRS AT $27.50/SHR * RPT-fannie mae (FNM.N) says prices offerings of $2.25 billion of common stock and $2.25 billion of mandatory convertible preferred stock * RPT-Fannie Mae says priced $2.25 billion, or 45 million shares, of 8.75 percent non-cumulative mandatory convertible preferred stock * Fannie says each share of the series 2008-1 preferred stock will automatically convert on may 13, 2011, into between 1.5408 shares and 1.8182 shares of fannie mae common stock * Fannie Mae says at any time at election of holder, each series 2008-1 preferred stock may be converted into 1.5408 shares of fannie mae common stock * Fannie Mae says granted underwriters option to purchase up to 12.3 million additional shares of common stock * Fannie Mae says both offerings to close may 14