BOSTON, Nov. 16 /PRNewswire-FirstCall/ -- Eaton Vance Senior Income Trust (NYSE: EVF - News; the "Trust"), a closed-end management investment company, today announced the earnings of the Trust for the three months ended September 30, 2009. The Trust's fiscal year ends on June 30, 2010.

For the three months ended September 30, 2009, the Trust had net investment income of $3,430,249 ($0.094 per common share). From this amount, the Trust paid dividends on preferred shares of $60,739 (equal to $0.002 for each common share), resulting in net investment income after the preferred dividends of $3,369,510 or $0.092 per common share. In comparison, for the three months ended September 30, 2008, the Trust had net investment income of $5,683,646 ($0.156 per common share). From this amount, the Trust paid dividends on preferred shares of $706,896 (equal to $0.019 for each common share), resulting in net investment income after the preferred dividends of $4,976,750 or $0.137 per common share.

Net realized and unrealized gains for the three months ended September 30, 2009 were $29,320,787 ($0.802 per common share). In comparison, net realized and unrealized losses for the three months ended September 30, 2008 were $38,366,328 ($1.052 per common share).

On September 30, 2009, net assets of the Trust applicable to common shares were $230,059,599. The net asset value per common share on September 30, 2009 was $6.30 based on 36,540,034 common shares outstanding. In comparison, on September 30, 2008, net assets of the Trust applicable to common shares were $234,772,976. The net asset value per common share on September 30, 2008 was $6.44 based on 36,466,497 common shares outstanding

The Trust is managed by Eaton Vance Management, a subsidiary of Eaton Vance Corp. (NYSE: EV - News), based in Boston, one of the oldest investment management firms in the United States, with a history dating back to 1924. Eaton Vance and its affiliates managed $154.9 billion in assets as of October 31, 2009, offering individuals and institutions a broad array of investment products and wealth management solutions. The Company's long record of providing exemplary service and attractive returns through a variety of market conditions has made Eaton Vance the investment manager of choice for many of today's most discerning investors. For more information about Eaton Vance, visit www.eatonvance.com.

                      EATON VANCE SENIOR INCOME TRUST
                      SUMMARY OF RESULTS OF OPERATIONS
                  (in thousands, except per share amounts)

                                       Three Months Ended  Three Months Ended
                                           September 30,     September 30,
                                           -------------     -------------
                                                2009              2008
                                                ----              ----
    Gross investment income                    $4,728            $7,770
    Interest expense                               (7)             (773)
    Operating expenses                         (1,291)           (1,313)
                                               ------            ------
      Net investment income                    $3,430            $5,684
    Net realized and unrealized gains
     (losses) on investments                  $29,321          ($38,366)
    Preferred dividends paid from net
     investment income                            $61             ($707)
                                                  ---            ------
      Net increase (decrease) in net
       assets from operations                 $32,812          ($33,389)
                                              =======         =========

    Earnings per Common Share Outstanding
    Gross investment income                    $0.129            $0.213
    Interest expense                           (0.000)           (0.021)
    Operating expenses                         (0.035)           (0.036)
                                              -------           -------
      Net investment income                    $0.094            $0.156
    Net realized and unrealized gains
     (losses) on investments                   $0.802           ($1.052)
    Preferred dividends paid from net
     investment income                         (0.002)           (0.019)
                                              -------           -------
      Net increase (decrease) in net
       assets from operations                  $0.894           ($0.915)
                                               ======          ========

    Net investment income                      $0.094            $0.156
    Preferred dividends paid from net
     investment income                         (0.002)           (0.019)
                                               ------            ------
    Net investment income after preferred
     dividends                                 $0.092            $0.137
                                               ======            ======

    Net Asset Value at September 30
     (Common Share)
      Net assets (000)                       $230,060          $234,773
      Shares outstanding (000)                 36,540            36,466
      Net asset value per share outstanding     $6.30             $6.44

    Market Value Summary (Common Share)
      Market price on NYSE at September 30      $5.56             $4.90
      High market price (three months ended
       September 30)                            $5.63             $6.64
      Low market price (three months
       ended September 30)                      $4.61             $4.82