<TABLE>
<CAPTION>
EXHIBIT 77(0) Morgan Stanley Dean Witter Select Dimensions Investment Series
10f-3 Transactions
For January 1, 2000- June 30, 2000
<S> <C> <C> <C> <C> <C> <C> <C>
TOTAL
ISSUED
SECURITY DATE PRICE SHARES % OF PRINCIPAL PURCHASED
BY FUND BROKER
American Opportunities Portfolio
Aclara Biosciences
03/20/00 $ 21.00 22,100 0.060% $ 189,000,000.00 0.246% Deutsche Bank Alex Brown
Antigenic Inc.
02/04/00 $ 18.00 7,200 0.017% $ 63,000,000.00 0.206% Piper Jaffray
Asiainfo
03/03/00 $ 24.00 2,600 0.006% $ 120,000,000.00 0.052% Deutsche Bank
AVX Corporation
02/15/00 $ 63.00 25,000 0.185% $ 330,750,000.00 0.476% Merrill Lynch
Capstone Turbine Corporation
06/28/00 $ 16.00 16,900 0.031% $ 145,454,544.00 0.186% Goldman Sachs
Digex
02/11/00 $ 90.00 215,000 0.161% $ 990,000,000.00 1.955% Bear Stearns
Eloquent Inc.
02/15/00 $ 16.00 10,400 0.019% $ 72,000,000.00 0.231% Piper Jaffray
E.Piphany Inc.
01/20/00 $178.50 5,500 0.128% $ 660,450,000.00 0.149% Credit Suisse First Boston
Oracle of Japan
04/28/00 $760.82 1,800 0.164% $ 7,379,970,389.00 0.019% Salomon Smith Barney
Palm Inc.
03/01/00 $ 38.00 12,300 0.048% $ 874,000,000.00 0.053%
Bancamerica Robertson Stephens
Sequenom
01/31/00 $ 26.00 14,300 0.049% $ 136,500,000.00 0.272% Warburg Dillon
Webmethods
02/10/00 $ 35.00 3,000 0.013% $ 143,500,000.00 0.073 Dain Rauscher
Developing Growth Portfolio
Aclara Biosciences
03/20/00 $ 21.00 5,000 0.066% $ 189,000,000.00 0.056% Deutsche Bank Alex Brown
Antigenic Inc.
02/04/00 $ 18.00 1,500 0.017% $ 63,000,000.00 0.043% Piper Jaffray
Asiainfo
03/03/00 $ 24.00 500 0.005% $ 120,000,000.00 0.010% Deutsche Bank
Aspect Medical Systems
01/27/00 $ 15.00 2,000 0.019% $ 52,500,000.00 0.057% Piper Jaffray
Capstone Turbine Corporation
06/28/00 $ 16.00 1,900 0.018% $ 145,454,544.00 0.021% Goldman Sachs
Charles River Laboratories Inc.
06/23/00 $ 16.00 23,600 0.227% $ 224,000,000.00 0.169% DLJ
Digitas
03/14/00 $ 24.00 1,000 0.012% $ 223,200,000.00 0.011% SG Cowen
Diversa
02/14/00 $ 24.00 4,000 0.051% $ 174,000,000.00 0.055% Bear Stearns
Eloquent Inc.
02/15/00 $ 16.00 2,000 0.017% $ 72,000,000.00 0.044% Piper Jaffray
First World Communications
03/07/00 $ 17.00 5,200 0.039% $ 170,000,000.00 0.052% Lehman Brothers
GT Group Telecom
03/09/00 $ 14.00 9,700 0.055% $ 252,000,000.00 0.054% Salomon Brothers
Homegrocer.com
03/09/00 $ 12.00 2,000 0.010% $ 264,000,000.00 0.009% McDOnald & Co.
Information Holdings Inc.
03/14/00 $ 36.50 18,000 0.268% $ 164,250,000.00 0.400% Deutsche Banc
Palm Inc.
03/01/00 $ 38.00 2,300 0.039% $ 874,000,000.00 0.010%
Bancamerica Robertson Stephens
Quantum Effect Devices
01/31/00 $ 16.00 1,000 0.010% $ 59,520,000.00 0.027%
Wasserstein Perella
Regent Communications
01/25/00 $ 8.50 12,000 0.064% $ 136,000,000.00 0.075%
Prudential Securities
Sequenom
01/31/00 $ 26.00 2,700 0.044% % 136,500,000.00 0.051% Warburg Dillon
Silicon Laboratories
03/23/00 $ 31.00 1,000 0.031% $ 99,200,000.00 0.031% Lehman Brothers
Sina.com
04/12/00 $ 17.00 9,900 0.075% $ 68,000,000.00 0.248% Raymond James
Spectrasite Holdings Inc.
02/01/00 $ 17.00 15,000 0.157% $ 379,100,000.00 0.067% Tucker Anthony
Stratos Lightwave Inc.
02/30/00 $ 21.00 7,400 0.093% $ 183,750,000.00 0.085% Lehman Brothers
Therma-Wave
02/03/00 $ 20.00 7,000 0.093% $ 180,000,000.00 0.082%
Banc of America Securities LLC
Webmethods
02/10/00 $ 35.00 600 0.011% $ 143,500,000.00 0.015% Dain Rauscher
Global Equity Portfolio
FLAG Telecome
02/11/00 $ 24.00 59,300 0.790% $ 760,320,000.00 0.167% Salomon Brothers
Grupo Prisa
06/28/00 $ 19.62 100,000 1.045% $ 745,560,000.00 0.263% Salomon Smith Barney
ICIC Bank Limited
03/28/00 $ 11.00 15,700 0.093% $ 152,173,912.00 0.113% Merrill Lynch
Telia AB
06/13/00 $ 9.83 25,000 0.131% $ 7,701,733,655.00 0.003% Warburg
Growth Portfolio
ASM Lithography
06/16/00 $ 38.15 7,900 0.249% $ 2,289,000,000.00 0.013% ABN Amro
AT&T Wireless
04/27/00 $ 29.50 10,000 0.250% $10,620,000,000.00 0.003% CS FIrst Boston
Allos Therapeutics
03/27/00 $ 18.00 100<0.001% $ 90,000,000.00 0.002% Prudential
Aclara Biosciences
03/20/00 $ 21.00 800 0.010% $ 189,000,000.00 0.009% Deutsche Bank Alex Brown
Antigenics Inc.
02/04/00 $ 18.00 100<0.001% $ 63,000,000.00 0.003%
US Bancorp Piper Jaffray
Artistdirect
03/27/00 $ 12.00 100<0.001% $ 60,000,000.00 0.002% Bear Stearns
Aspect Medical Systems
01/27/00 $ 15.00 100<0.001% $ 52,500,000.00 0.003% Deutsche Bank
Capstone Turbine Corporation
06/29/00 $ 16.00 1,400 0.010% $ 145,454,544.00 0.015% Goldman Sachs
Cypress Communications
02/10/00 $ 17.00 300<0.001% $ 170,000,000.00 0.003% Bear Stearns
Digitas
03/13/00 $ 24.00 200<0.001% $ 223,200,000.00 0.215%
Banc of America Securities
Diversa
02/14/00 $ 24.00 800 0.020% $ 174,000,000.00 0.011%
Hambrecht & Quist
Dobson Communications
02/03/00 $ 22.00 7,300 0.150% $ 550,000,000.00 0.029% Lehman Brothers
Doubleclick
02/17/00 $ 90.25 3,600 0.310% $ 676,875,000.00 0.048% Salomon Smith Barney
Eloquent Inc.
02/17/00 $ 16.00 100<0.001% $ 72,000,000.00 0.002% Banc of America
FLAG Telecome
02/11/00 $ 24.00 2,800 0.060% $ 760,320,000.00 0.009% Salomon Smith Barney
First World Communications
03/07/00 $ 17.00 1,600 0.030% $ 170,000,000.00 0.016% Lehman Brothers
GT Group Telecom
03/09/00 $ 14.00 3,400 0.040% $ 252,000,000.00 0.019% Goldman Sachs & Co.
Genuity Inc.
06/27/00 $ 11.00 13,500 0.090% $ 1,913,043,000.00 0.006% Salomon Smith Barney
i3 Mobile
04/06/00 $ 16.00 400 0.010% $ 81,600,000.00 0.008% Deutsche Bank Alex Brown
Intrabiotics
03/28/00 $ 15.00 2,600 0.030% $ 112,500,000.00 0.036% Deutsche Banc Alex Brown
Luminex
03/30/00 $ 17.00 3,200 0.010% $ 76,500,000.00 0.071% Warburg Dillon Read
Palm Inc.
03/01/00 $ 38.00 1,600 0.060% $ 874,000,000.00 0.007% Goldman Sachs & Co.
Quantum Effect Devices
01/31/00 $ 16.00 200<0.001% $ 59,520,000.00 0.005%
Robertson Stephens
Regent Comunications
01/24/00 $ 8.50 300<0.001% $ 113,475,000.00 0.002% Lazard
Savvis Communicatons Corp
02/15/00 $ 24.00 900 0.020% $ 408,000,000.00 0.005% Merrill lynch
Squenom
01/31/00 $ 26.00 1,200 0.030% $ 136,500,000.00 0.023% Warburg Dillon Read
Silicon Laboratories
03/24/00 $ 31.00 100<0.001% $ 99,200,000.00 0.003% Salomon Smith Barney
Stratos Lightwave Inc.
06/26/00 $ 21.00 2,200 0.030% $ 183,750,000.00 0.025% Lehman Brothers
Therma-wave Inc.
02/03/00 $ 20.00 1,200 0.020% $ 180,000,000.00 0.013% Montgomery
Via Systems
03/24/00 $ 21.00 2,100<0.001% $ 924,000,000.00 0.005% Soundview Group
Webmethods
02/10/00 $ 35.00 300 0.010% $ 143,500,000.00 0.007% Merrill Lynch
Utilities Portfolio
Capstone Turbine Corporation
06/28/00 $ 16.00 3,600 0.030% $ 145,454,544.00 0.040% Goldman Sachs
China Unicom
06/16/00 $ 19.99 18,800 0.187% $ 4,915,540,000.00 0.008% JP Morgan
Dobson Communications
03/02/00 $ 22.00 11,500 0.155% $ 550,000,000.00 0.046% Banc of America Securities
NRG ENergy
05/30/00 $ 15.00 45,0000.341% $ 422,550,000.00 0.160% ABN Chicago
TOSCO 8 1/8 2/15/30
02/08/00 $ 98.95$1,000,0000.510% $ 400,000,000.00 0.250% First Boston
* Price and monetary unit in pesetas
</TABLE>
