Morgan Stanley Tax-Exempt Securities Trust
                          Item 77(O) 10F-3 Transactions
                        January 1, 2007 - June 30, 2007



Securi  Purcha   Size   Offeri  Total   Amount    % of   % of
  ty      se/     of      ng    Amount    of     Offeri  Fund   Brokers   Purcha
Purcha   Trade  Offeri  Price     of    Shares     ng    s                sed
  sed    Date     ng      of   Offerin  Purcha   Purcha  Tota             From
                        Shares    g       sed     sed    l
                                          By       By    Asse
                                         Fund     Fund   ts
Tobacc  01/24/    -     $14.76 $3,622,  5,000   0.14%   0.46    Bear,     Bear
   o      07                   208,081   ,000             %    Stearns &  Stearn
Settle                           .50                           Co. Inc.,    s
 ment                                                          Citigroup
Financ                                                         , Merrill
  ing                                                           Lynch &
 Corp.                                                           Co.,
Series                                                         JPMorgan,
 2007                                                             UBS
                                                               Investmen
                                                                t Bank,
                                                                 A.G.
                                                               Edwards &
                                                                 Sons,
                                                                 Inc.,
                                                                 Alta
                                                                Capital
                                                                Group,
                                                               LLC, Apex
                                                                 Pryor
                                                               Securitie
                                                                s, Banc
                                                                  of
                                                                America
                                                               Securitie
                                                                s LLC,
                                                                 BB&T
                                                                Capital
                                                               Markets,
                                                                Butler
                                                                Wick &
                                                                 Co.,
                                                                 Inc.,
                                                                Cabrera
                                                                Capital
                                                               Markets,
                                                                 Inc.,
                                                               Commerce
                                                                Capital
                                                               Markets,
                                                                 Inc.,
                                                                Ferris
                                                                 Baker
                                                                Watts,
                                                               Incorpora
                                                                 ted,
                                                                 First
                                                                Albany
                                                                Capital
                                                                 Inc.,
                                                               George K.
                                                                Baum &
                                                               Company,
                                                                The GMS
                                                                Group,
                                                                 LLC,
                                                               Goldman,
                                                                Sachs &
                                                                 Co.,
                                                               Grigsby &
                                                               Associate
                                                               s, Inc.,
                                                                  JP
                                                               McGowan &
                                                               Company,
                                                                 Inc.,
                                                                Jackson
                                                               Securitie
                                                                s, LLC,
                                                                Janney
                                                               Montgomer
                                                                y Scott
                                                                 LLC,
                                                                Keybanc
                                                                Capital
                                                               Markets,
                                                                LaSalle
                                                               Financial
                                                               Services,
                                                                 Inc.,
                                                                 Loop
                                                                Capital
                                                                Markets
                                                                 LLC,
                                                                Morgan
                                                               Keegan &
                                                               Company,
                                                                 Inc.,
                                                                Morgan
                                                               Stanley,
                                                                  NW
                                                                Capital
                                                                Markets
                                                               Inc.,Pipe
                                                               r Jaffray
                                                                & Co.,
                                                                Popular
                                                               Securitie
                                                                s Inc.,
                                                                Powell
                                                                Capital
                                                               Markets,
                                                                 Inc.,
                                                                Prager,
                                                                Sealy &
                                                               Co., LLC,
                                                               Ramirez &
                                                                 Co.,
                                                                 Inc.,
                                                                Raymond
                                                                James &
                                                               Associate
                                                               s, Inc.,
                                                                  RBC
                                                                Capital
                                                               Markets,
                                                               Roosevelt
                                                                & Cross
                                                               Incorpora
                                                                 ted,
                                                                Siebert
                                                               Brandford
                                                                Shank &
                                                               Co., LLC,
                                                               Southwest
                                                               Securitie
                                                               s, Sterne
                                                                Agee &
                                                                Leach,
                                                                 Inc.,
                                                               Sturdivan
                                                               t & Co.,
                                                               Wachovia
                                                               Bank, NA

                                                                 Bear
                                                               Stearns &
                                                               Co. Inc.,
                                                               Citigroup
                                                                , A.G.
                                                               Edwards,
                                                               Fidelity
                                                                Capital
                                                                Markets
                                                               Services,
                                                               JPMorgan,
                                                                Merrill
                                                                Lynch &
                                                               Company,
                                                                Prager,
                                                                Sealy &
                                                               Company,
Golden                                                           LLC,
 State                                                          Siebert
Tobacc                                                         Brandford   Bear
   o    03/08/    -     $9.65   $4,446,  5,781,   0.12%  0.48   Shank &   Stearn
Securi    07                     826,391    884             %    Co., LLC,    s
tizati                            .40                             First
  on                                                            Albany
0.000%                                                          Capital
  due                                                            Inc.,
6/1/20                                                          Banc of
  47                                                            America
                                                               Securitie
                                                                s LLC,
                                                                 Great
                                                                Pacific
                                                               Securitie
                                                               s, Inc.,
                                                                Lehman
                                                               Brothers,
                                                                Morgan
                                                                Keegan
                                                               and Co.,
                                                                 Inc.,
                                                               Ramirez &
                                                                 Co.,
                                                                 Inc.,
                                                               Southwest
                                                               Securitie
                                                                s, UBS
                                                               Investmen
                                                                t Bank,
                                                               Goldman,
                                                                Sachs &
                                                               Co., M.R.
                                                                Beal &
                                                               Company,
                                                                E.J. De
                                                               La Rosa &
                                                                 Co.,
                                                                 Inc.,
                                                                Jackson
                                                               Securitie
                                                                s, Loop
                                                                Capital
                                                               Markets,
                                                                 LLC,
                                                                Morgan
                                                               Stanley,
                                                                  RBC
                                                                Capital
                                                               Markets,
                                                                Stone &
                                                               Youngberg
                                                                 , LLC







 								Citi,
                                                               Banc of
                                                               America,
                                                               Securities
                                                              LLC, E.J.
                                                              De La Rosa &,
                                                               Co., Inc.,
                                                                Fidelity
                                                               Capital
                                                                Markets,
                                                               services,
                                                                Alamo Capital,
                                                                Bear Stearns
                                                               & Co. Inc.,
                                                                Goldman,
                                                                Sachs & Co.,
                                                               JPMorgan,
California                                                     Merrill
 State                                                          Lynch &
5.00%                                                         Co., Ramirez
   due    06/21/  -   $101.72   $2,500,  20,000,  0.80%  1.97   & Co., Inc.,
Securi    07                     000,00    00             %    UBS Securities,    Citigroup
6/1/2037                           .00                          LLC, Alta
                                                               Capital
                                                                Group,
                                                                Comerica
                                                               Securities,
                                                             Great Pacific
                                                               Securitie
                                                                s, Henderson
                                                                Capital
                                                                Partners,
                                                                LLC, Morgan
                                                              Stanley & Co.,
                                                                Incorporated,
                                                               Siebert Brandford
                                                                Shank & Co.,
                                                                LLC, Wedbush
                                                               Morgan Securities,
                                                                Backstrom
                                                               McCarley
                                                                 Berry & Co.,
                                                                 LLC,
                                                               Crocker
                                                               Securitie
                                                                s, LLC,
                                                               Grigsby &
                                                                Associates,
                                                               Inc., Lehman
                                                                Brothers,
                                                               RBC Capital
                                                                Markets,
                                                               Stone &,
                                                                Youngberg
                                                               LLC, Wells
                                                                 Fargo
                                                                Institut
                                                               ional
                                                                Securities,
                                                                LLC