M&G HIGH INCOME : Net Asset Value(s)

  27 January 2010

  M&G High Income Investment Trust P.L.C.


  The Board of M&G High Income Investment Trust P.L.C. announce

   that the net asset value at 12:00 noon today was £238.9 million.


  Income Shares *                     57.49p

  Capital Shares                      0.00p

  Zero Dividend Preference Shares     64.10p

  Income & Growth Units               57.49p

  Package Units                       121.59p


  The net asset values have been calculated on a cum-income basis,

  with dividends payable deducted from net assets on the ex-dividend

  date.  Financial assets are valued on a mid-market price basis.


  * The ex-income NAV of each Income Shares is 54.69p.
                                                                       

[HUG#1377918]