Eaton Vance National Municipal Opportunities Trust announced earnings results for the third quarter and nine months ended December 31, 2011. For the quarter, the trust had net investment income of $4,489,154 or $0.293 per common share. In comparison, for the three months ended December 31, 2010, the trust had net investment income of $4,702,561 or $0.308 per common share. Net realized and unrealized gains for the quarter were $1,647,473 or $0.104 per common share. In comparison, net realized and unrealized losses for the three months ended December 31, 2010 were $32,520,539 or $2.132 per common share. Net increase in net assets from operations was $6,136,000 or $0.397 per share compared with net decrease in net assets from operations of $27,818,000 or $1.824 per share a year ago. For the nine months, the trust's net investment income was $13,678,344 or $0.894 per common share. In comparison, the trust's net investment income for the nine months ended December 31, 2010 was $14,144,116 or $0.926 per common share. The trust's net realized and unrealized gains for the period were $23,040,017 or $1.506 per common share. In comparison, the trust's net realized and unrealized losses for the nine months ended December 31, 2010 were $18,646,461 or $1.220 per common share. The net asset value per share on December 31, 2011 was $20.84. Net increase in net assets from operations was $36,718,000 or $2.400 per share compared with net decrease in net assets from operations of $4,502,000 or $0.294 per share a year ago.