PIMCO Municipal Income Fund III Reports Results for the Fiscal Quarter and Nine Months Ended June 30, 2007


NEW YORK, Sept. 11, 2007 (PRIME NEWSWIRE) -- PIMCO Municipal Income Fund III (the "Fund") (NYSE:PMX), a closed-end management investment company which seeks to provide current income exempt from federal income tax, today announced its results for the fiscal quarter and nine months ended June 30, 2007.



                                              At June 30,
                                              -----------

                                    2007                       2006
                                    ----                       ----
 Net Assets (a)                $732,467,742               $721,733,411
 Common Shares Outstanding       31,466,962                 31,278,192
 Net Asset Value ("NAV")             $14.70                     $14.44
 Market Price                        $15.18                     $14.59
 Premium to NAV                       3.27%                      1.04%


                                        Quarter ended June 30,
                                        ----------------------

                                    2007                       2006
                                    ----                       ----
 Net Investment Income           $9,067,829                 $8,517,593
 Per Common Share                     $0.29                      $0.28
 Net Realized and Change in
   Unrealized Loss             $(12,772,094)               $(7,089,330)
 Per Common Share                    $(0.41)                    $(0.23)
 Undistributed (Overdistributed)
     Net Investment Income Per
       Common Share (b)             $0.0266 (c)               $(0.0542)(d)



                                      Nine Months ended June 30,
                                      --------------------------

                                    2007                       2006
                                    ----                       ----
 Net Investment Income          $27,640,861                $26,132,087
 Per Common Share                     $0.88                      $0.84
 Net Realized and Change in
   Unrealized Loss              $(7,083,998)               $(6,255,440)
 Per Common Share                    $(0.23)                    $(0.20)


 (a) Net assets are inclusive of market value of Preferred Shares of
     $270 million.

 (b) Note that generally there is a close correlation between what
     the Fund earns (net of expenses) and what it pays in monthly
     dividends.  However, since net earning rates fluctuate from
     month to month while monthly dividends have remained relatively
     stable, there will be periods when the Fund may modestly
     over-earn or under- earn its monthly dividend which would have
     the effect of adding to or subtracting from the Fund's
     undistributed (overdistributed) net investment income balances.
     Fund management analyzes current and projected net earning rates
     prior to recommending dividend amounts to the Fund's Board of
     Trustees for declaration. There can be no assurance that the
     current dividend rates or the undistributed (overdistributed)
     net investment income balances will remain constant.

 (c) Calculated using the accumulated balance at June 30, 2007.

 (d) Calculated using the average fiscal year-to-date month-end
     balances for the three months ended June 30, 2006.



               Top 5 State Positions at June 30, 2007
               (as a percentage of total investments)
               --------------------------------------
                                                 14.6 %
 Texas                                           12.9
 Michigan                                         9.6
 Washington                                       8.6
 Illinois                                         7.3
 California

Allianz Global Investors Fund Management LLC, an indirect, wholly-owned subsidiary of Allianz Global Investors of America L.P., serves as the Fund's investment manager and is a member of Munich-based Allianz Group (NYSE:AZ). Pacific Investment Management Company LLC, an Allianz Global Investors Fund Management affiliate, serves as the Fund's sub-adviser.

The Fund's daily New York Stock Exchange closing price, net asset value per share, as well as other information, is available at http://www.allianzinvestors.com/closedendfunds or by calling the Fund's shareholder servicing agent at (800) 331-1710.

The financial information contained herein is solely based upon the data available at the time of publication of this press release, and there is no assurance that any future results will be the same or similar to the results reported herein. Information that was obtained from third party sources we believe to be reliable is not guaranteed as to its accuracy or completeness. This press release contains no recommendations to buy or sell any specific securities and should not be considered investment advice of any kind. Past performance is no guarantee of future results and the investment returns generated by the Fund will fluctuate. In making an investment decision, individuals should utilize other information sources and the advice of their own professional adviser.



            

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