Eaton Vance Senior Income Trust Report of Earnings14:34 EST Monday, November 21, 2011BOSTON, Nov. 21, 2011 /PRNewswire/ -- Eaton Vance Senior Income Trust (NYSE: EVF) (the "Fund"), a closed-end management investment company, today announced the earnings of the Fund for the three months ended September 30, 2011. The Fund's fiscal year ends on June 30, 2012.For the three months ended September 30, 2011, the Fund had net investment income of $3,679,136 ($0.100 per common share). From this amount, the Fund paid dividends on preferred shares of $23,238 (equal to $0.001 for each common share), resulting in net investment income after the preferred dividends of $3,655,898 or $0.099 per common share. In comparison, for the three months ended September 30, 2010, the Fund had net investment income of $3,893,487 ($0.106 per common share). From this amount, the Fund paid dividends on preferred shares of $63,077 (equal to $0.002 for each common share), resulting in net investment income after the preferred dividends of $3,830,410 or $0.104 per common share.  Net realized and unrealized losses for the three months ended September 30, 2011 were $16,725,191 ($0.455 per common share). In comparison, net realized and unrealized gains for the three months ended September 30, 2010 were $7,707,291 ($0.210 per common share).   On September 30, 2011, net assets of the Fund applicable to common shares were $249,109,127. The net asset value per common share on September 30, 2011 was $6.78 based on 36,752,548 common shares outstanding. In comparison, on September 30, 2010, net assets of the Fund applicable to common shares were $253,609,457. The net asset value per common share on September 30, 2010 was $6.92 based on 36,634,011 common shares outstandingThe Fund periodically makes certain performance data and information about portfolio characteristics available on www.eatonvance.com (on the fund information page under "Individual Investors ? Closed-End Funds"). Fund portfolio holdings for the most recent calendar quarter-end are also posted to the website approximately 30 days following quarter-end.The Fund is managed by Eaton Vance Management, a subsidiary of Eaton Vance Corp. (NYSE: EV), 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 $188.2 billion in assets as of October 31, 2011, offering individuals and institutions a broad array of investment strategies 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,         2011  2010      Gross investment income $5,119  $5,327      Operating expenses (1,289)  (1,275)      Interest expense (151)  (159)       Net investment income $3,679  $3,893      Net realized and unrealized gains (losses)             on investments ($16,725)  $7,707      Preferred dividends paid from net investment income ($23)  ($63)       Net increase (decrease) in net assets              from operations ($13,069)  $11,537                   Earnings per Common Share Outstanding           Gross investment income $0.139  $0.145      Operating expenses (0.035)  (0.035)      Interest expense (0.004)  (0.004)       Net investment income  $0.100  $0.106      Net realized and unrealized gains (losses)             on investments ($0.455)  $0.210      Preferred dividends paid from net investment income (0.001)  (0.002)       Net increase (decrease) in net assets              from operations ($0.356)  $0.314                   Net investment income $0.100  $0.106      Preferred dividends paid from net investment income (0.001)  (0.002)      Net investment income after preferred dividends $0.099  $0.104                   Net Asset Value at September 30 (Common Share )            Net assets (000) $249,109  $253,609       Shares outstanding (000) 36,753  36,634       Net asset value per share outstanding $6.78  $6.92                   Market Value Summary (Common Share )            Market price on NYSE at September 30 $6.31  $6.88       High market price (three months ended September 30) $7.27  $7.01       Low market price (three months ended September 30) $6.17  $6.57                    SOURCE Eaton Vance ManagementFor further information: Investor Contact, +1-800-262-1122