BOSTON, March 8, 2013 /PRNewswire/ -- Eaton Vance National Municipal Opportunities Trust (NYSE: EOT) (the "Trust"), a closed-end management investment company, today announced the earnings of the Trust for the three and nine-month periods ended December 31, 2012.  The Trust's fiscal year ends on March 31, 2013.

For the three months ended December 31, 2012, the Trust had net investment income of $4,254,237 ($0.278 per common share). The Trust's net investment income for the nine months ended December 31, 2012 was $12,752,716 ($0.833 per common share). In comparison, for the three months ended December 31, 2011, the Trust had net investment income of $4,489,154 ($0.293 per common share). The Trust's net investment income for the nine months ended December 31, 2011 was $13,678,344 ($0.894 per common share).

Net realized and unrealized losses for the three months ended December 31, 2012 were $516,797 ($0.028 per common share). The Trust's net realized and unrealized gains for the nine months ended December 31, 2012 were $16,198,147 ($1.057 per common share). In comparison, net realized and unrealized gains for the three months ended December 31, 2011 were $1,647,473 ($0.104 per common share). The Trust's net realized and unrealized gains for the nine months ended December 31, 2011 were $23,040,017 ($1.506 per common share).

On December 31, 2012, net assets of the Trust were $348,195,340.  The net asset value per share on December 31, 2012 was $22.72 based on 15,326.191 shares outstanding.  In comparison, on December 31, 2011, net assets of the Trust were $318,801,434.  The net asset value per share on December 31, 2011 was $20.84 based on 15,299,263 shares outstanding.

The Trust 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"). Trust portfolio holdings for the most recent month-end are also posted to the website approximately 30 days following month-end.

The Trust 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 $247.8 billion in assets as of January 31, 2013 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.

SOURCE Eaton Vance Management