Eaton Vance Massachusetts Municipal Income Trust Report Of Earnings

Eaton Vance Massachusetts Municipal Income Trust
(AMEX:MMV), a non-diversified closed-end investment company, today
announced the earnings of the Trust for the three and six-month
periods ended May 31, 2005. The Trust's fiscal year ends on November
30, 2005.
   For the three months ended May 31, 2005, the Trust had net
investment income of $657,122 ($0.243 per common share). From this
amount, the Trust paid dividends on preferred shares of $108,101
(equal to $0.040 for each common share), resulting in net investment
income after the preferred dividends of $549,021, or $0.203 per common
share. The Trust's net investment income for the six months ended May
31, 2005 increased to $1,339,421 ($0.496 per common share, before
deduction of the preferred share dividends totaling $0.062 per common
share), resulting in net investment income after the preferred
dividends of $0.434 per common share. In comparison, for the three
months ended May 31, 2004, the Trust had net investment income of
$723,355 ($0.270 per common share). From this amount, the Trust paid
dividends on preferred shares of $32,822 (equal to $0.012 for each
common share), resulting in net investment income after the preferred
dividends of $690,533, or $0.258 per common share. The Trust's net
investment income for the six months ended May 31, 2004 increased to
$1,423,296 ($0.532 per common share, before deduction of the preferred
share dividends totaling $0.028 per common share), resulting in net
investment income after the preferred dividends of $0.504 per common
share.
   Net realized and unrealized gains for the three months ended May
31, 2005 were $267,743 ($0.107 per common share). The Trust's net
realized and unrealized gains for the six months ended May 31, 2005
were $1,610,197 ($0.605 per common share). In comparison, net realized
and unrealized losses for the three months ended May 31, 2004 were
$2,846,600 ($1.058 per common share). The Trust's net realized and
unrealized losses for the six months ended May 31, 2004 were
$1,975,398 ($0.732 per common share).
   On May 31, 2005, net assets of the Trust applicable to common
shares were $42,345,131. The net asset value per common share on May
31, 2005 was $15.65 based on 2,706,497 common shares outstanding. In
comparison, on May 31, 2004, net assets of the Trust applicable to
common shares were $39,234,456. The net asset value per common share
on May 31, 2004 was $14.64 based on 2,680,412 common shares
outstanding.
   The Trust is managed by Eaton Vance Management. Eaton Vance and
its affiliates had $101.5 billion in assets under management on May
31, 2005. Eaton Vance Management will make available periodic summary
information regarding portfolio investments. Those interested should
call Eaton Vance at [phone].

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

                                  Three Months Ended  Six Months Ended
                                         May 31,          May 31,
                                   ----------------- -----------------
                                      2005     2004     2005     2004
                                   -------- -------- -------- --------
Gross investment income               $861     $917   $1,732   $1,799
Operating expenses                    (204)    (194)    (393)    (376)
                                   -------- -------- -------- --------
 Net investment income                $657     $723   $1,339   $1,423
Net realized and unrealized gains
 (losses) on investments              $268  ($2,847)  $1,610  ($1,975)
Preferred dividends paid             ($108)    ($33)   ($166)    ($75)
 Net increase (decrease) in net
  assets from operations              $817  ($2,157)  $2,783    ($627)

Earnings per Common Share Outstanding
-------------------------------------
Gross investment income             $0.318   $0.343   $0.641   $0.673
Operating expenses                  (0.075)  (0.073)  (0.145)  (0.141)
                                   -------- -------- -------- --------
 Net investment income              $0.243   $0.270   $0.496   $0.532
Net realized and unrealized gains
 (losses) on investments            $0.107  ($1.058)  $0.605  ($0.732)
Preferred dividends paid           ($0.040) ($0.012) ($0.062) ($0.028)
                                   -------- -------- -------- --------
 Net increase (decrease) in net
  assets from operations            $0.310  ($0.800)  $1.039  ($0.228)

Net investment income               $0.243   $0.270   $0.496   $0.532
Preferred dividends paid            (0.040)  (0.012)  (0.062)  (0.028)
                                   -------- -------- -------- --------
Net investment income after
 preferred dividends                $0.203   $0.258   $0.434   $0.504
                                   ======== ======== ======== ========

Net Asset Value at May 31 (Common Shares)
-----------------------------------------
 Net assets (000)                                    $42,345  $39,234
 Shares outstanding (000)                              2,706    2,680
 Net asset value per share outstanding                $15.65   $14.64

Market Value Summary (Common Shares)
------------------------------------
 Market price on AMEX at May 31                       $16.00   $14.55
 High market price (six months ended May 31)          $18.10   $16.60
 Low market price (six months ended May 31)           $15.72   $14.19
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