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

  11 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 £246.0 million.


  Income Shares *                     61.59p

  Capital Shares                      0.00p

  Zero Dividend Preference Shares     63.62p

  Income & Growth Units               61.59p

  Package Units                       125.21p


  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 58.87p.
                                                                       

[HUG#1372342]