WITTER DEAN DIVERSIFIED INCOME TRUST
N-30D, 1998-01-06
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<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST     
Two World Trade Center, New York, New York 10048 
LETTER TO THE SHAREHOLDERS October 31, 1997 

DEAR SHAREHOLDER: 

The fiscal year ended October 31, 1997 began with the U.S. economy exhibiting 
signs of renewed strength. This trend continued into early 1997 as employment 
expanded, personal income climbed and consumer confidence rose. However, 
fears that the economy might be overheated and that the Federal Reserve Board 
would raise short-term interest rates began to permeate the fixed-income 
markets. 

On March 25, 1997, in a decision that was viewed as a necessary preemptive 
strike against inflation, the central bank raised the federal-funds rate by 
25 basis points (0.25 percent). Although this action initially sent stock and 
bond prices lower, many economists applauded the move. At first the Federal 
Reserve appeared poised for a series of interest-rate increases, however a 
slight cooling of economic data during the second and third quarters of 1997 
and a balanced budget agreement prevented such action. As a result, interest 
rates declined across the maturity spectrum. During the fiscal year, yields 
on 5-year Treasuries fluctuated between 5.69 percent and 6.86 percent, ending 
the period at 5.69 percent. 

STRENGTH IN THE HIGH-YIELD SECTOR 

The high-yield market, benefiting from a healthy economy, improved credit 
quality and a relatively favorable interest-rate environment, posted strong 
returns during the fiscal year. This sector's overall vitality came despite 
some market weakness in April following the Federal Reserve Board's rate hike 
on March 25th. 

Continued strength in the economy has resulted in solid earnings improvements 
on the part of many high-yield companies during the first three quarters of 
1997 and has provided the fuel for the sharp equity market advance 
experienced over the past year. Many high-yield companies have taken 
advantage of higher equity valuations to raise equity and strengthen their 
individual balance sheets. The resulting credit quality improvement has 
helped keep the high-yield market's performance strong relative to many of 
the other fixed-income markets. 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
LETTER TO THE SHAREHOLDERS October 31, 1997, continued 

MIXED PERFORMANCE ABROAD 

Meanwhile, European bond markets fluctuated within a wide range, partly in 
sympathy with the U.S. market. These markets were further buffeted by 
interest-rate increases in the United Kingdom and calls from the Bundesbank 
for rate increases in Germany. In the end, the prospect of a timely launch of 
the European Monetary Union in January 1999, and continued fiscal restraint, 
helped European bond yields drift lower during the second half of the year. 
Thus, while German bonds registered an increase of 41 basis points (0.41 
percent), three-year Italian bond yields fell by 153 basis points. Throughout 
the fiscal year, however, developments in the global bond markets were 
overshadowed by a substantial strengthening of the U.S. dollar against many 
of the world's major currencies. 

PERFORMANCE 

On July 28, 1997, Dean Witter Diversified Income Trust began offering four 
classes of shares -- A, B, C and D -each with its own sales charge and 
distribution fee structure. A revised prospectus, which includes complete 
details regarding the Fund's conversion to multiple classes of shares, was 
mailed to shareholders in mid-summer. 

For the twelve-month period ended October 31, 1997, the Fund's Class B shares 
posted a total return of 6.46 percent, compared to returns of 9.83 percent 
for the Lipper Multi-Sector Income Funds Average (Lipper Average) and 7.49 
percent for the Lehman Brothers Mutual Fund Government/Corporate Intermediate 
Bond Index (Lehman Index). The accompanying chart illustrates the growth of a 
$10,000 investment in the Fund from inception (April 9, 1992) through the 
fiscal year ended October 31, 1997, versus the performance of a similar 
investment in the issues that comprise the Lehman Index and the Lipper 
Average. 

GROWTH OF $10,000 - CLASS B
- ------------------------------------------------------------------------------
($ IN THOUSANDS)

April 9, 1992             10,000     10,000     10,000
October 31, 1992          10,373     10,620     10,388
October 31, 1993          11,410     11,679     12,048
October 31, 1994          11,332     11,454     11,696
October 31, 1995          12,551     12,888     13,106
October 31, 1996          13,742     13,637     14,716
October 31, 1997          14,534     14,658     16,163


PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE RETURNS.

(1)  Figure shown assumes reinvestment of all distribution and does not reflect
     the deduction of any sales charges.
(2)  Figure shown assumes reinvestment of all distributions and the deduction of
     the maximum applicable contingent deferred sales charge (CDSC) (1 year-5%
     5 years-2%, since inception-1%). See the Fund's current prospectus for
     complete details on fees and sales charges.
(3)  Closing value after the deduction of 1% CDSC, assuming a complete
     redemption on October 31, 1997
(4)  The Lehman Brothers Mutual Fund Government/Corporate Intermediate Bond
     Index tracks the performance of government and corporate bonds, including
     U.S. Government agency and U.S. Treasury securities and corporate and 
     yankee bonds with maturities of 1 to 10 years. The performance of the 
     index does not include any expenses, fees or charges. The index is 
     unmanaged and should not be considered an investment.
(5)  The Lipper Multi-Sector Income Funds Average tracks the performance of the
     funds which seek current income by allocating assets among several 
     different fixed-income securities sectors (with no more than 65% in any 
     one sector except for defensive purposes), including U.S. Government and
     foreign governments, with a significant portion of assets in securities 
     rated below investment grade, as reported by Lipper Analytical Services.
<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
LETTER TO THE SHAREHOLDERS October 31, 1997, continued 

PORTFOLIO STRATEGY 

As of October 31, 1997, the Fund's portfolio was divided equally among 
high-quality shorter-term global securities (principally U.S. and foreign 
government securities), intermediate-term U.S. government and agency 
mortgage-backed securities and longer-term, lower-rated and higher yielding 
corporate bonds. 

Global short-term securities component. Against a background of uncertainty 
in the global bond markets, the average maturity of the Fund's global bond 
component was maintained at about one and one-half years, thus minimizing 
this component's exposure to fluctuations in the interest-rate markets. More 
importantly, the currency risks of the European positions were effectively 
hedged away, safeguarding these investments from the impact of the rising 
U.S. dollar. The global bond component also decreased its investments in 
Australia and New Zealand as the yields in these markets were deemed no 
longer attractive. The resulting proceeds from these transactions were 
shifted to the U.S. market. In August, as the dollar began to move lower, 
most of the component's currency hedges were removed, allowing the Fund to 
participate in the values of its foreign currency holdings. 

Going forward, we anticipate a continuation of the global bond component's 
strategy of global diversification, while favoring markets that exhibit 
improving inflation outlooks and fiscal discipline. In addition, we will 
place an emphasis on securities and markets that offer compelling values and 
low relative risks. 

Intermediate-term U.S. government securities component. As of October 31, 
1997, this component of the Fund was primarily invested in mortgage-backed 
securities issued by the Federal National Mortgage Association (FNMA), the 
Government National Mortgage Association (GNMA) and the Federal Home Loan 
Mortgage Corporation (FHLMC). U.S. agency securities and U.S. Treasury 
securities accounted for 27 percent and 6 percent of the portfolio, 
respectively. 

We believe that mortgage-backed securities continue to provide significant 
long-term value and, in the current investment environment, offer not only an 
incremental yield incentive over U.S. Treasury securities of similar maturity 
but also the potential for total return. 

Long-term high-yield securities component. As the economy has continued to 
expand over the past few years, the high-yield component has tended to 
concentrate on B-rated issues. In a growing economy one can generally find 
undervalued upgrade candidates in this sector of the market that provide 
attractive yields as well as appreciation potential. We continue to feel that 
many of these issues are very attractive long-term investments. However, 
given the lower market yields available today and the potential for added 
market volatility down the road, we have taken some defensive steps with the 
portfolio. These include increasing our allocation to the higher-quality end 
of the market (BB-rated issues or higher). We feel that 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
LETTER TO THE SHAREHOLDERS October 31, 1997, continued 

these holdings will better protect shareholders during a potentially nervous 
market environment as well as provide the liquidity and portfolio flexibility 
needed to take advantage of future opportunities. In addition, the high-yield 
component continues to limit its exposure to cyclical industries and remains 
focused on more-predictable, recession-resistant growth sectors of the 
economy, such as broadcast media, cable & telecommunications and foods & 
beverages. In some of these sectors, such as broadcast media and cable & 
telecommunications, we expect to see continued consolidation, which should 
bode well for many of the high-yield component's individual holdings. 

The one-to two-year outlook for the high-yield market remains favorable, 
given our expectations for continued growth in the economy and generally 
improving credit quality in the high-yield marketplace. We caution, however, 
that during this period the possibility exists for another round of investor 
nervousness given the potential for Federal Reserve Board moves. As discussed 
above, this component of the Fund is well positioned to take advantage of any 
potential market disruptions given its more conservative positioning today. 
Assuming the longer-term market outlook remains unchanged, these market 
disruptions may be viewed as buying opportunities, allowing the high-yield 
component to lock in attractive yields and prices for its shareholders. 

LOOKING AHEAD 

For the balance of 1997, and early into 1998, we expect U.S. economic growth 
to remain healthy. The Federal Reserve Board is likely to look for a 
confirmation of unusually strong economic trends, rising inflationary 
pressures and stability in southeast Asian markets before considering another 
increase in the federal-funds rate. 

We appreciate your support of Dean Witter Diversified Income Trust and look 
forward to continuing to serve your investment needs. 

Very truly yours, 

/s/ Charles A. Fiumefreddo 
CHARLES A. FIUMEFREDDO 
Chairman of the Board 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
RESULTS OF SPECIAL MEETING (unaudited) 

On May 21, 1997, a special meeting of the Fund's shareholders was held for 
the purpose of voting on four separate matters, the results of which are as 
follows: 

(1) APPROVAL OF A NEW INVESTMENT MANAGEMENT AGREEMENT BETWEEN THE FUND AND 
    DEAN WITTER INTERCAPITAL INC. IN CONNECTION WITH THE MERGER OF MORGAN 
    STANLEY GROUP INC. WITH DEAN WITTER, DISCOVER & CO.: 

<TABLE>
<CAPTION>
 <S>           <C>
 For .......  48,058,451 
 Against  ..     893,849 
 Abstain  ..   4,520,616 
</TABLE>

(2) ELECTION OF TRUSTEES: 

<TABLE>
<CAPTION>
<S>                 <C>
Michael Bozic 
For ..............  50,808,736 
Withheld .........   2,664,180 
Charles A. Fiumefreddo 
For ..............  50,839,158 
Withheld .........   2,633,758 
Edwin J. Garn 
For ..............  50,875,468 
Withheld .........   2,597,448 
John R. Haire 
For ..............  50,809,023 
Withheld .........   2,663,893 
Wayne E. Hedien 
For ..............  50,850,027 
Withheld .........   2,622,889 
Dr. Manuel H. Johnson 
For ..............  50,930,427 
Withheld .........   2,542,489 
Michael E. Nugent 
For ..............  50,945,111 
Withheld .........   2,527,805 
Philip J. Purcell 
For ..............  50,887,890 
Withheld .........   2,585,026 
John L. Schroeder 
For ..............  50,889,086 
Withheld .........   2,583,830 
</TABLE>

(3) APPROVAL OF A NEW INVESTMENT POLICY WITH RESPECT TO INVESTMENTS IN 
    CERTAIN OTHER INVESTMENT COMPANIES: 

<TABLE>
<CAPTION>
  <S>         <C>
  For .....  46,416,579 
  Against .   1,518,217 
  Abstain .   5,538,120 
</TABLE>

(4) RATIFICATION OF THE SELECTION OF PRICE WATERHOUSE LLP AS THE FUND'S 
    INDEPENDENT ACCOUNTANTS: 

<TABLE>
<CAPTION>
  <S>         <C>
  For .....  48,901,339 
  Against .     508,419 
  Abstain .   4,063,158 
</TABLE>

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997 

<TABLE>
<CAPTION>
    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
<S>             <C>                                                              <C>       <C>         <C>            
                GOVERNMENT & CORPORATE BONDS (90.3%) 
                DENMARK (a)(3.2%) 
                Government Obligation 
DKr   183,277   Denmark Treasury Note  ..........................................   9.00%    11/15/98      $29,175,789 
                                                                                                          -------------- 
                FRANCE (a)(0.4%) 
                Government Obligation 
FRF    19,830   France Treasury Note ............................................   7.75     04/12/00        3,682,665 
                                                                                                          -------------- 
                ITALY (a)(1.4%) 
                Government Obligations 
ITL    19,070 M Italy Treasury Bond  ............................................  10.50     07/15/98       11,581,884 
        1,725   Italy Treasury Bond  ............................................  10.50     04/01/00        1,125,922 
                                                                                                          -------------- 
                TOTAL ITALY  ..........................................................................     12,707,806 
                                                                                                         -------------- 
                NETHERLANDS (a)(0.0%) 
                Banks 
ITL   160,000   Rabobank Nederland ..............................................  11.00     02/01/98           95,355 
                                                                                                          -------------- 
                NEW ZEALAND (a)(1.2%) 
                Government Obligations 
NZ$     2,220   New Zealand Treasury Bond .......................................   8.00     07/15/98        1,385,321 
       16,308   New Zealand Treasury Bond  ......................................   6.50     02/15/00       10,066,868 
                                                                                                          -------------- 
                TOTAL NEW ZEALAND  ....................................................................     11,452,189 
                                                                                                          -------------- 
                SPAIN (a)(2.3%) 
                Government Obligations 
ESP     2,009 M Spain Treasury Bond  ............................................   9.90     10/31/98       14,425,039 
          990 M Spain Treasury Bond  ............................................   9.40     04/30/99        7,216,429 
                                                                                                          -------------- 
                TOTAL SPAIN  ..........................................................................     21,641,468 
                                                                                                          -------------- 
                SWEDEN (a)(2.8%) 
                Government Obligation 
SEK   180,800   Sweden Treasury Bond  ...........................................  11.00     01/21/99       25,721,743 
                                                                                                          -------------- 
                UNITED KINGDOM (a)(1.9%) 
                Government Obligations 
pounds 
sterling7,435   United Kingdom Treasury Bond  ...................................  15.50     09/30/98       13,336,678 
        2,270   United Kingdom Treasury Bond (Conv.) ............................   9.00     03/03/00        3,962,673 
                                                                                                          -------------- 
                TOTAL UNITED KINGDOM  .................................................................     17,299,351 
                                                                                                          -------------- 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
                UNITED STATES (77.1%) 
                Aerospace (0.3%) 
   $ 3,000      Sabreliner Corp. (Series B) .....................................  12.50   % 04/15/03      $ 3,150,000 
                                                                                                          -------------- 
                Automotive (0.4%) 
     3,000      Toyota Motor Credit Corp.  ......................................  15.00     09/25/98        3,241,080 
                                                                                                          -------------- 
                Broadcast Media (2.6%) 
       45       Australis Media Ltd.  ...........................................  15.75 ++  05/15/03           34,180 
     5,500      Australis Media Ltd. (Units)++ ..................................  15.75 ++  05/15/03        4,180,000 
     3,200      Digital Television Services -144A* ..............................  12.50     08/01/07        3,440,000 
     3,100      Echostar DBS Corp. -144A* .......................................  12.50     07/01/02        3,286,000 
     3,000      Paxson Communications Corp. .....................................  11.625    10/01/02        3,240,000 
     4,000      Spanish Broadcasting System, Inc. ...............................  12.50     06/15/02        4,620,000 
     8,700      TCI Satellite Entertainment Corp. -144A* ........................  12.25 ++  02/15/07        5,568,000 
                                                                                                          -------------- 
                                                                                                            24,368,180 
                                                                                                          -------------- 
                Business Services (0.8%) 
     5,000      Anacomp, Inc. (Series B) ........................................  10.875    04/01/04        5,150,000 
     2,000      Xerox Credit Corp. ..............................................  15.00     06/26/98        2,119,760 
                                                                                                          -------------- 
                                                                                                             7,269,760 
                                                                                                          -------------- 
                Cable & Telecommunications (10.6%) 
     4,000      Adelphia Communications Corp. 
                 -144A* .........................................................   9.25     10/01/02        3,980,000 
     5,675      Advanced Radio Telecommunication ................................  14.00     02/15/07        5,221,000 
     4,000      American Communications Services, Inc. -144A* ...................  13.75     07/15/07        4,600,000 
     6,500      Clearnet Communications Inc. ....................................  14.75 ++  12/15/05        4,810,000 
     3,850      FrontierVision LP/Capital .......................................  11.00     10/15/06        4,158,000 
     7,000      Hyperion Telecommunication, Inc. (Series B) .....................  13.00 ++  04/15/03        4,795,000 
    28,500      In-Flight Phone Corp. (Series B)(b)  ............................  14.00 ++  05/15/02        3,135,000 
     3,000      IXC Communications, Inc. 
                 (Series B) .....................................................  12.50     10/01/05        3,397,500 
     7,300      McCaw International Ltd. ........................................  13.00 ++  04/15/07        4,307,000 
     3,000      Metronet Communications (Units)++ -144A* ........................  12.00     08/15/07        3,337,500 
     8,500      Nextel Communications -144A* ....................................  10.65 ++  09/15/07        4,823,750 
     3,350      Nextlink Communications LLC .....................................  12.50     04/15/06        3,777,125 
     4,000      Orbcomm Global LP/Capital  ......................................  14.00     08/15/04        4,220,000 
     4,000      Paging Network, Inc. ............................................  10.125    08/01/07        4,090,000 
     6,000      Peoples Telephone Co., Inc. .....................................  12.25     07/15/02        6,360,000 
    10,000      Price Communications Cellular Holdings -144A* ...................  13.50 ++  08/01/07        5,700,000 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
    $3,500      Primus Telecommunications Group (Units)++ .......................  11.75   % 08/01/04      $ 3,815,000 
     5,000      Source Media Inc. -144A* ........................................  12.00     11/01/04        5,000,000 
     4,000      Transtel Pass-Thru Trust -144A* .................................  12.50     11/01/07        3,800,000 
     4,000      UIH Australia/Pacific (Series B) ................................  14.00 ++  05/15/06        2,820,000 
     4,000      USA Mobile Communications Holdings, Inc.  .......................  14.00     11/01/04        4,500,000 
     5,000      Winstar Communications  .........................................  14.00 ++  10/15/05        3,650,000 
     3,250      Winstar Equipment Corp. .........................................  12.50     03/15/04        3,542,500 
                                                                                                          -------------- 
                                                                                                            97,839,375 
                                                                                                          -------------- 
                Computer Equipment (0.3%) 
     2,500      IBM Credit Corp. ................................................  15.00     03/04/98        2,576,100 
                                                                                                          -------------- 
                Consumer Products (1.1%) 
     2,500      J.B. Williams Holdings, Inc. ....................................  12.00     03/01/04        2,575,000 
     3,500      North Atlantic Trading -144A* ...................................  11.00     06/15/04        3,570,000 
     4,000      Renaissance Cosmetics, Inc. .....................................  11.75     02/15/04        3,950,000 
                                                                                                          -------------- 
                                                                                                            10,095,000 
                                                                                                          -------------- 
                Electrical & Alarm Systems (0.4%) 
     4,980      Mosler, Inc.  ...................................................  11.00     04/15/03        3,436,200 
                                                                                                          -------------- 
                Entertainment/Gaming & Lodging (4.2%) 
     3,800      101 Main Street Ltd. -144A* .....................................  13.00     08/15/00        3,857,000 
     3,250      Argosy Gaming Co. ...............................................  13.25     06/01/04        3,315,000 
     2,700      Aztar Corp.  ....................................................  13.75     10/01/04        3,105,000 
     5,400      Fitzgeralds Gaming Corp. (Units)++ ..............................  13.00     12/31/02        5,346,000 
     4,000      Lady Luck Gaming Finance Corp. ..................................  11.875    03/01/01        4,050,000 
     5,670      Motels of America, Inc. (Series B) ..............................  12.00     04/15/04        5,443,200 
     3,000      Players International, Inc. .....................................  10.875    04/15/05        3,210,000 
     5,000      PRT Funding Corp. ...............................................  11.625    04/15/04        4,100,000 
     4,800      Stuart Entertainment, Inc. 
                 (Series B) .....................................................  12.50     11/15/04        4,032,000 
     3,000      Trump Castle Funding, Inc. ......................................  11.75     11/15/03        2,835,000 
                                                                                                          -------------- 
                                                                                                            39,293,200 
                                                                                                          -------------- 
                Finance (1.4%) 
     3,500      Cityscape Financial Corp. 
                 (Series A) .....................................................  12.75     06/01/04        2,450,000 
     3,000      Household Finance Corp. .........................................  15.00     09/25/98        3,243,810 
     3,750      Olympic Financial Ltd. (Units)++ ................................  11.50     03/15/07        3,778,125 
     3,000      Wilshire Financial Services -144A* ..............................  13.00     08/15/04        3,082,500 
                                                                                                          -------------- 
                                                                                                            12,554,435 
                                                                                                          -------------- 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
                Foods & Beverages (1.8%) 
    $4,050      Envirodyne Industries, Inc. .....................................  10.25   % 12/01/01       $4,009,500 
     3,000      Pepsico Inc. ....................................................  15.00     08/06/98        3,210,090 
     4,500      Specialty Foods Acquisition Corp. (Series B) ....................  11.25     08/15/03        4,286,250 
    12,125      Specialty Foods Acquisition Corp. (Series B) ....................  13.00 ++  08/15/05        5,153,125 
                                                                                                          -------------- 
                                                                                                            16,658,965 
                                                                                                          -------------- 
                HealthCare (1.5%) 
     2,800      Imagyn Medical Technologies -144A* ..............................  12.50     04/01/04        2,716,000 
     4,000      Physician Resource Group -144A* (Conv) ..........................   6.00     12/01/01        3,457,960 
     4,000      Unilab Corp. ....................................................  11.00     04/01/06        4,100,000 
     4,350      Unison Healthcare Corp. -144A* ..................................  12.25     11/01/06        3,654,000 
                                                                                                           -------------- 
                                                                                                            13,927,960 
                                                                                                           -------------- 
                Manufacturing (0.4%) 
     3,011      International Semi-Tech Microelectronics ........................  11.50 ++  08/15/03        1,400,115 
     2,500      John Deere Capital Corp. ........................................  15.00     02/24/98        2,570,100 
                                                                                                           -------------- 
                                                                                                             3,970,215 
                                                                                                           -------------- 
                Manufacturing -Diversified (0.9%) 
     5,000      Interlake Corp. .................................................  12.00     11/15/01        5,525,000 
     2,800      J.B. Poindexter & Co., Inc. .....................................  12.50     05/15/04        2,856,000 
                                                                                                           -------------- 
                                                                                                             8,381,000 
                                                                                                           -------------- 
                Metals & Mining (1.3%) 
     4,700      Gulf States Steel -Alabama 
                 (Series B) .....................................................  13.50     04/15/03        4,829,250 
     4,750      Murrin Murrin Holdings -144A* ...................................   9.375    08/31/07        4,856,875 
     2,706      Weirton Steel Corp. .............................................  11.50     03/01/98        2,735,793 
                                                                                                           -------------- 
                                                                                                            12,421,918 
                                                                                                           -------------- 
                Publishing (0.3%) 
     2,500      United States Banknote Corp. (Series B) .........................  10.375    06/01/02        2,606,250 
                                                                                                           -------------- 
                Restaurants (1.0%) 
        28      American Restaurant Group Holdings, Inc.  .......................  13.00     09/15/98           26,766 
     6,000      American Restaurant Group Holdings, Inc.  .......................  14.00 ++  12/15/05        1,965,000 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
   $13,500      Boston Chicken, Inc. (Conv.) ....................................   0.00 %   06/01/15       $2,683,125 
     4,000      FRD Acquisition Corp. (Series B) ................................  12.50     07/15/04        4,300,000 
                                                                                                          -------------- 
                                                                                                             8,974,891 
                                                                                                          -------------- 
                Retail (0.6%) 
    10,450      County Seat Stores Co. (c) ......................................  12.00     10/01/02        5,486,250 
                                                                                                          -------------- 
                Retail -Food Chains (0.8%) 
     3,750      Big V Supermarkets, Inc. (Series B) .............................  11.00     02/15/04        3,909,375 
       500      Pathmark Stores, Inc. ...........................................  11.625    06/15/02          492,500 
     3,000      Pathmark Stores, Inc. ...........................................   9.625    05/01/03        2,835,000 
                                                                                                          -------------- 
                                                                                                             7,236,875 
                                                                                                          -------------- 
                Textiles -Apparel Manufacturers (0.5%) 
     2,850      Apparel Ventures, Inc. (Series B) ...............................  12.25     12/31/00        2,679,000 
     4,000      U.S. Leather, Inc. ..............................................  10.25     07/31/03        2,120,000 
                                                                                                          -------------- 
                                                                                                             4,799,000 
                                                                                                          -------------- 
                Utilities (0.3%) 
     2,800      Panda Global Energy Co.  ........................................  12.50     04/15/04        2,604,000 
                                                                                                          -------------- 
                U.S. Government & Agency Obligations (45.6%) 
                Federal Home Loan Banks (1.8%) 
     5,000       ................................................................   0.00     07/02/12        1,633,300 
     5,000       ................................................................   6.295    08/15/07        5,046,650 
     5,000       ................................................................   6.37     09/25/07        5,073,100 
     5,000       ................................................................   6.385    10/23/07        5,078,250 
                                                                                                          -------------- 
                                                                                                            16,831,300 
                                                                                                          -------------- 
                Federal Home Loan Mortgage Corp. (1.6%)
    10,000       ................................................................   0.00     08/15/02        7,586,800 
     3,867       ................................................................   7.00    04/01/04- 
                                                                                             06/01/04        3,920,397 
     3,160       ................................................................   8.00    10/01/24- 
                                                                                             06/01/25        3,274,217 
                                                                                                          -------------- 
                                                                                                            14,781,414 
                                                                                                          -------------- 
                Federal National Mortgage Assoc. (a) (15.4%) 
     6,000      Principal Strip  ................................................   0.00    02/12/04- 
                                                                                             02/01/05        3,918,420 
     5,000       ................................................................   5.80     02/22/06        4,905,550 
     3,565       ................................................................   6.00    02/01/11- 
                                                                                             03/01/11        3,502,696 
    34,495       ................................................................   6.50    10/01/08- 
                                                                                             03/01/27       34,195,883 
    37,455       ................................................................   7.00    08/01/08- 
                                                                                             03/01/27       37,585,618 
     5,000       ................................................................   7.00        **           5,014,063 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

    PRINCIPAL 
    AMOUNT IN                                                                      COUPON    MATURITY 
    THOUSANDS                                                                       RATE       DATE         VALUE 
- --------------- ---------------------------------------------------------------- --------- ----------- -------------- 
    $20,617      ................................................................  7.50 %   02/01/22- 
                                                                                             01/01/27      $21,049,083 
     12,332      ................................................................  8.00     09/01/01- 
                                                                                             06/01/26       12,722,965 
     18,682      ................................................................  8.50     07/01/17- 
                                                                                             05/01/25       19,540,103 
                                                                                                          -------------- 
                                                                                                           142,434,381 
                                                                                                          -------------- 
                Government National Mortgage Assoc. (a) (9.8%) 
     9,649       ................................................................  6.50     11/20/23- 
                                                                                             02/15/27        9,516,487 
    24,331       ................................................................  7.00     12/15/22- 
                                                                                             10/15/26       24,430,383 
     5,000       ................................................................  7.00         **           5,001,562 
    39,726       ................................................................  7.50     05/15/17- 
                                                                                             11/15/26       40,590,659 
     7,185       ................................................................  8.00     01/15/22- 
                                                                                             10/15/24        7,454,456 
     3,118       ................................................................  8.50     08/15/22- 
                                                                                             12/15/24        3,267,185 
                                                                                                          -------------- 
                                                                                                            90,260,732 
                                                                                                          -------------- 
                Resolution Funding Corp. (a)(2.6%) 
    37,232        ................................................................ 0.00     10/15/04- 
                                                                                             01/15/07       23,798,312 
                                                                                                          -------------- 
                U.S. Treasury Notes (a)(14.4%) 
       500       ................................................................  5.50      11/15/98          499,530 
    44,500       ................................................................  6.00     06/30/99- 
                                                                                             07/31/02       44,873,915 
    84,900       ................................................................  6.375     05/15/00       86,254,155 
     2,000       ................................................................  6.25      08/31/00        2,028,040 
                                                                                                           -------------- 
                                                                                                           133,655,640 
                                                                                                          -------------- 
                TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS  ...........................................    421,761,779 
                                                                                                          -------------- 
                TOTAL UNITED STATES  ..................................................................    712,652,433 
                                                                                                          -------------- 
                TOTAL GOVERNMENT & CORPORATE BONDS 
                (Identified Cost $847,574,354) ........................................................    834,428,799 
                                                                                                          -------------- 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

<TABLE>
<CAPTION>
 NUMBER OF 
   SHARES                                                                                                 VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
<S>         <C>                                                                                      <C>
            COMMON STOCKS (d)(0.8%) 
            Entertainment/Gaming & Lodging (0.0%) 
    12,455  Cobblestone Holdings, Inc. -144A* .......................................................$  311,375 
     2,000  Motels of America, Inc. -144A* ..........................................................    30,000 
                                                                                                     ------------- 
                                                                                                        341,375 
                                                                                                     ------------- 
            Foods & Beverages (0.0%) 
   198,750  Specialty Foods Acquisition Corp. -144A* ................................................   198,750 
                                                                                                     ------------- 
            Healthcare (0.2%) 
   390,000  Unigene Laboratories, Inc. .............................................................. 1,340,625 
                                                                                                     ------------- 
            Manufacturing -Diversified (0.5%) 
   158,000  Thermadyne Holdings Corp. (e) ........................................................... 4,621,500 
                                                                                                     ------------- 
            Restaurants (0.0%) 
     6,000  American Restaurant Group Holdings, Inc. -144A* .........................................     6,000 
                                                                                                     ------------- 
            Textiles (0.1%) 
   230,000  Ithaca Industries, Inc. ................................................................. 1,150,000 
                                                                                                     ------------- 
            TOTAL COMMON STOCKS 
            (Identified Cost $6,373,947) ............................................................ 7,658,250 
                                                                                                     ------------- 
            PREFERRED STOCKS (0.4%) 
            Entertainment/Gaming & Lodging (d) (0.3%) 
    80,000  Fitzgeralds Gaming Corp. (Units)++  ..................................................... 2,640,000 
                                                                                                     ------------- 
            Oil & Gas (0.1%) 
     5,000  XCL Ltd (Units) ++ (Conv.)+ 144A*  ...................................................... 1,000,000 
                                                                                                     ------------- 
            TOTAL PREFERRED STOCKS 
            (Identified Cost $3,000,000) ............................................................ 3,640,000 
                                                                                                     ------------- 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

<TABLE>
<CAPTION>
 NUMBER OF                                                                     EXPIRATION 
  WARRANTS                                                                        DATE            VALUE 
- -----------  ---------------------------------------------------------------- ------------  -------------- 
<S>                                                                           <C>           <C>
             WARRANTS (d)(0.1%) 
             Aerospace (0.0%) 
    1,000    Sabreliner Corp. -144A*  ......................................    04/15/03     $     10,000 
                                                                                            -------------- 
             Cable & Telecommunications (0.1%) 
    9,000    Hyperion Telecommunication, Inc. 
               (Series B ) - 144A* .........................................    04/01/01          900,000 
    5,300    McCaw International Ltd. - 144A* ..............................    04/15/07               53 
   34,000    Price Communications Corp. - 144A* ............................    08/01/07              344 
                                                                                            -------------- 
                                                                                                  900,397 
                                                                                            -------------- 
             Containers (0.0%) 
    2,000    Crown Packaging Holdings, Ltd. (Canada) - 144A* ...............    11/01/03               20 
                                                                                            -------------- 
             Entertainment/Gaming & Lodging (0.0%) 
   10,773    Fitzgeralds Gaming Corp. ......................................    12/19/98           10,773 
    3,500    Fitzgeralds South Inc. - 144A* ................................    03/15/99               35 
                                                                                            -------------- 
                                                                                                   10,808 
                                                                                            -------------- 
             Healthcare (0.0%) 
    2,800    Imagyn Medical Technologies - 144A* ...........................    04/10/04               28 
                                                                                            -------------- 
             Manufacturing (0.0%) 
   47,300    Uniroyal Technology Corp. .....................................    06/01/03          124,162 
                                                                                            -------------- 
             Retail (0.0%) 
    1,500    County Seat Holdings Co. ......................................    10/15/98               15 
                                                                                            -------------- 
             TOTAL WARRANTS 
             (Identified Cost $325,243) ...................................................     1,045,430 
                                                                                            -------------- 
</TABLE>

<TABLE>
<CAPTION>
   PRINCIPAL 
   AMOUNT IN                                                             COUPON   MATURITY 
   THOUSANDS                                                              RATE      DATE 
- ------------- ------------------------------------------------------------------ ---------- 
<S>           <C>                                                       <C>      <C>        <C>
              SHORT-TERM INVESTMENTS (7.4%) 
              TIME DEPOSITS (f)(4.2%) 
              CANADA (0.7%) 
              Banking -International 
Ca$   8,460   Chase Manhattan Bank .....................................  3.438%  11/06/97    6,006,816 
                                                                                            ------------- 
              ITALY (2.7%) 
              Banking -International 
ITL 43,211 M  Chase Manhattan Bank .....................................  6.625   11/10/97   25,528,728 
                                                                                            ------------- 
              SPAIN (0.8%) 
              Banking -International 
ESP  1,088 M  Chase Manhattan Bank .....................................  4.875   11/10/97    7,464,451 
                                                                                            ------------- 
              TOTAL TIME DEPOSITS 
              (Identified Cost $39,155,294)  ............................................... 38,999,995 
                                                                                            ------------- 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

<TABLE>
<CAPTION>
   PRINCIPAL 
   AMOUNT IN                                                                    COUPON   MATURITY 
   THOUSANDS                                                                     RATE      DATE         VALUE 
<S>           <C>                                                              <C>      <C>        <C>
- ------------- ---------------------------------------------------------------- -------- ---------- ------------- 
              GOVERNMENT & AGENCY 
              OBLIGATIONS (g)(3.1%) 
              GERMANY (2.4%) 
  DEM 39,000  German Treasury Bill ............................................ 3.23%   01/16/98     $22,462,010 
                                                                                                   ------------- 
              UNITED STATES (0.7%) 
      $6,000  Federal Home Loan Mortgage Corp. ................................ 5.65    11/03/97       5,998,117 
                                                                                                   ------------- 
              TOTAL GOVERNMENT & AGENCY 
              OBLIGATIONS 
              (Amortized Cost $27,800,404) .......................................................    28,460,127 
                                                                                                   ------------- 
              REPURCHASE AGREEMENT (0.1%) 
         927  The Bank of New York (dated  10/31/97; proceeds $927,122)(h) 
                (Identified Cost $926,697) .....................................5.50    11/03/97         926,697 
                                                                                                   ------------- 
              TOTAL SHORT-TERM INVESTMENTS 
              (Identified Cost $67,882,395) ............................................              68,386,819 
                                                                                                   ------------- 
              TOTAL INVESTMENTS 
              (Identified Cost $925,155,939)(i) ........................................  99.0 %     915,159,298 
              CASH AND OTHER ASSETS IN EXCESS OF LIABILITIES  ..........................   1.0         9,545,489 
                                                                                        --------   ------------- 
              NET ASSETS  .............................................................. 100.0 %    $924,704,787 
                                                                                        ========   ============= 
</TABLE>

- ------------ 
M      In millions. 
*      Resale is restricted to qualified institutional investors. 
**     Security purchased on a forward commitment basis with an approximate 
       principal amount and no definite maturity date; the actual principal 
       amount and maturity date will be determined upon settlement. 
++     Consists of one or more class of securities traded together as a unit; 
       stocks or bonds with attached stocks or warrants. 
+      Payment-in-kind security. 
++     Currently a zero coupon bond and will pay interest at the rate shown at 
       a future specified date. 
(a)    Some or all of these securities are segregated in connection with open 
       forward foreign currency contracts and securities purchased on a 
       forward commitment basis. 
(b)    Non-income producing security; issuer in bankruptcy. 
(c)    Non-income producing security; issuer in default. 
(d)    Non-income producing securities. 
(e)    Acquired through exchange offer. 
(f)    Subject to withdrawal restrictions until maturity. 
(g)    Securities were purchased on a discount basis. The interest rates shown 
       have been adjusted to reflect a money market equivalent yield. 
(h)    Collateralized by $927,598 Federal National Mortgage Association 6.60% 
       due 09/20/02 valued at $945,231. 
(i)    The aggregate cost for federal income tax purposes approximates 
       identified cost. The aggregate gross unrealized appreciation is 
       $23,900,558 and the aggregate gross unrealized depreciation is 
       $33,897,199, resulting in net unrealized depreciation of $9,996,641. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
PORTFOLIO OF INVESTMENTS October 31, 1997, continued 

FORWARD FOREIGN CURRENCY CONTRACTS OPEN AT OCTOBER 31, 1997: 

<TABLE>
<CAPTION>
    CONTRACTS        IN EXCHANGE     DELIVERY    UNREALIZED 
    TO DELIVER           FOR           DATE     DEPRECIATION 
- ----------------    -------------   ---------- -------------- 
<S>               <C>              <C>         <C>
IEP   4,286,582       $ 6,423,014    11/03/97    $   (14,146) 
DEM  46,000,000       $26,797,157    01/30/98       (364,629) 
NLG  59,744,250       $30,877,177    01/30/98       (536,329) 
pounds sterling  
     10,800,000       $17,401,230    04/14/98       (561,632) 
                                                -------------- 
     Unrealized depreciation ...............     $(1,476,736) 
                                                ============== 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL STATEMENTS 

STATEMENT OF ASSETS AND LIABILITIES 
October 31, 1997 

<TABLE>
<CAPTION>
<S>                                                                <C>
ASSETS: 
Investments in securities, at value (identified cost 
 $925,155,939)....................................................  $915,159,298 
Cash (including $1,365,883 in foreign currency)...................     5,080,884 
Receivable for: 
  Investments sold................................................    45,645,791 
  Interest........................................................    16,838,761 
  Shares of beneficial interest sold .............................     4,179,477 
  Compensated forward foreign currency contracts..................     3,859,211 
Prepaid expenses and other assets.................................        72,401 
                                                                   -------------- 
  TOTAL ASSETS ...................................................   990,835,823 
                                                                   -------------- 
LIABILITIES: 
Unrealized depreciation on open forward foreign currency 
 contracts........................................................     1,476,736 
Payable for: 
  Investments purchased...........................................    53,710,532 
  Shares of beneficial interest repurchased.......................     5,492,143 
  Compensated forward foreign currency contracts..................     3,293,932 
  Dividends to shareholders.......................................       857,120 
  Plan of distribution fee........................................       660,792 
  Investment management fee.......................................       311,986 
Accrued expenses and other payables ..............................       327,795 
                                                                   -------------- 
  TOTAL LIABILITIES ..............................................    66,131,036 
                                                                   -------------- 
  NET ASSETS......................................................  $924,704,787 
                                                                   ============== 
COMPOSITION OF NET ASSETS: 
Paid-in-capital...................................................  $951,576,895 
Net unrealized depreciation.......................................   (11,004,241) 
Accumulated undistributed net investment income ..................       278,119 
Accumulated net realized loss.....................................   (16,145,986) 
                                                                   -------------- 
  NET ASSETS......................................................  $924,704,787 
                                                                   ============== 
CLASS A SHARES: 
Net Assets........................................................    $4,933,238 
Shares Outstanding (unlimited authorized, $.01 par value) ........       521,437 
  NET ASSET VALUE PER SHARE.......................................         $9.46 
  MAXIMUM OFFERING PRICE PER SHARE, 
   (net asset value plus 4.44% of net asset value)................         $9.88 
                                                                   ============== 
CLASS B SHARES: 
Net Assets........................................................  $915,899,370 
Shares Outstanding (unlimited authorized, $.01 par value) ........    96,807,771 
  NET ASSET VALUE PER SHARE.......................................         $9.46 
                                                                   ============== 
CLASS C SHARES: 
Net Assets........................................................    $3,772,746 
Shares Outstanding (unlimited authorized, $.01 par value) ........       399,124 
  NET ASSET VALUE PER SHARE.......................................         $9.45 
                                                                   ============== 
CLASS D SHARES: 
Net Assets........................................................       $99,433 
Shares Outstanding (unlimited authorized, $.01 par value) ........        10,517 
  NET ASSET VALUE PER SHARE.......................................         $9.45 
                                                                   ============== 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL STATEMENTS, continued 

STATEMENT OF OPERATIONS 
For the year ended October 31, 1997* 

<TABLE>
<CAPTION>
<S>                                                             <C>
NET INVESTMENT INCOME: 
INTEREST INCOME (net of $78,100 foreign withholding tax) ......  $ 77,859,573 
                                                                -------------- 
EXPENSES 
Plan of distribution fee (Class A shares)......................         1,658 
Plan of distribution fee (Class B shares)......................     7,104,223 
Plan of distribution fee (Class C shares)......................         3,998 
Investment management fee......................................     3,347,731 
Transfer agent fees and expenses...............................       509,942 
Custodian fees.................................................       419,471 
Registration fees..............................................       122,807 
Professional fees..............................................        81,427 
Shareholder reports and notices................................        73,426 
Trustees' fees and expenses....................................        20,501 
Organizational expenses........................................        13,153 
Other..........................................................        19,702 
                                                                -------------- 
  TOTAL EXPENSES...............................................    11,718,039 
                                                                -------------- 
  NET INVESTMENT INCOME........................................    66,141,534 
                                                                -------------- 
NET REALIZED AND UNREALIZED GAIN (LOSS): 
Net realized gain (loss) on: 
  Investments .................................................   (25,552,286) 
  Foreign exchange transactions................................    17,508,514 
                                                                -------------- 
  NET LOSS ....................................................    (8,043,772) 
                                                                -------------- 
Net change in unrealized depreciation on: 
  Investments .................................................    (1,303,373) 
  Translation of forward foreign currency contracts, other 
  assets  and liabilities denominated in foreign currencies ...    (2,639,652) 
                                                                -------------- 
  NET DEPRECIATION.............................................    (3,943,025) 
                                                                -------------- 
  NET LOSS ....................................................   (11,986,797) 
                                                                -------------- 
NET INCREASE ..................................................  $ 54,154,737 
                                                                ============== 
</TABLE>

- ------------ 

* Class A, Class C and Class D shares were issued July 28, 1997. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL STATEMENTS, continued 

STATEMENT OF CHANGES IN NET ASSETS 

<TABLE>
<CAPTION>
                                                   FOR THE YEAR      FOR THE YEAR 
                                                      ENDED             ENDED 
                                                OCTOBER 31, 1997*  OCTOBER 31, 1996 
- ----------------------------------------------  ----------------- ---------------- 
<S>                                             <C>               <C>
INCREASE (DECREASE) IN NET ASSETS: 

OPERATIONS: 
Net investment income .........................    $ 66,141,534      $ 53,062,338 
Net realized gain (loss).......................      (8,043,772)        4,908,105 
Net change in unrealized depreciation .........      (3,943,025)          (59,346) 
                                                ----------------- ---------------- 
  NET INCREASE.................................      54,154,737        57,911,097 
                                                ----------------- ---------------- 
DIVIDENDS TO SHAREHOLDERS FROM NET 
 INVESTMENT INCOME 
Class A shares.................................         (58,752)          -- 
Class B shares.................................     (79,103,939)      (47,280,275) 
Class C shares.................................         (41,777)          -- 
Class D shares.................................            (882)          -- 
                                                ----------------- ---------------- 
  TOTAL DIVIDENDS .............................     (79,205,350)      (47,280,275) 
                                                ----------------- ---------------- 
Net increase from transactions in shares of 
 beneficial interest...........................     204,174,498       192,406,387 
                                                ----------------- ---------------- 
  NET INCREASE.................................     179,123,885       203,037,209 
NET ASSETS: 
Beginning of period............................     745,580,902       542,543,693 
                                                ----------------- ---------------- 
  END OF PERIOD 
  (Including undistributed net investment 
  income of $278,119 and $12,819,524, 
  respectively)................................    $924,704,787      $745,580,902 
                                                ================= ================ 
</TABLE>

- ------------ 
* Class A, Class C and Class D shares were issued July 28, 1997. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997 

1. ORGANIZATION AND ACCOUNTING POLICIES 

Dean Witter Diversified Income Trust (the "Fund") is registered under the 
Investment Company Act of 1940, as amended (the "Act"), as a diversified, 
open-end management investment company. The Fund's primary investment 
objective is to provide a high level of current income and, as a secondary 
objective, seeks to maximize total return, but only when consistent with its 
primary objective. The Fund was organized as a Massachusetts business trust 
on December 20, 1991 and commenced operations on April 9, 1992. On July 28, 
1997, the Fund commenced offering three classes of shares, with the then 
current shares designated as Class B shares. 

The Fund offers Class A shares, Class B shares, Class C shares and Class D 
shares. The four classes are substantially the same except that most Class A 
shares are subject to a sales charge imposed at the time of purchase, some 
Class A shares, and most Class B shares and Class C shares are subject to a 
contingent deferred sales charge imposed on shares redeemed within one year, 
six years and one year, respectively. Class D shares are not subject to a 
sales charge. Additionally, Class A shares, Class B shares and Class C shares 
incur distribution expenses. 

The preparation of financial statements in accordance with generally accepted 
accounting principles requires management to make estimates and assumptions 
that affect the reported amounts and disclosures. Actual results could differ 
from those estimates. 

The following is a summary of significant accounting policies: 

A. VALUATION OF INVESTMENTS -- (1) an equity security listed or traded on the 
New York, American or other domestic or foreign stock exchange is valued at 
its latest sale price on that exchange prior to the time when assets are 
valued; if there were no sales that day, the security is valued at the latest 
bid price (in cases where securities are traded on more than one exchange, 
the securities are valued on the exchange designated as the primary market by 
the Trustees); (2) all other portfolio securities for which over-the-counter 
market quotations are readily available are valued at the latest available 
bid price prior to the time of valuation; (3) when market quotations are not 
readily available, including circumstances under which it is determined by 
Dean Witter InterCapital Inc. (the "Investment Manager") that sale or bid 
prices are not reflective of a security's market value, portfolio securities 
are valued at their fair value as determined in good faith under procedures 
established by and under the general supervision of the Trustees; (4) certain 
portfolio securities may be valued by an outside pricing service approved by 
the Trustees. The pricing service may utilize a matrix system incorporating 
security quality, maturity and coupon as the evaluation model parameters, 
and/or research and evaluations by its staff, including review of 
broker-dealer market price quotations, if available, in determining what it 
believes is the fair valuation 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

of the portfolio securities valued by such pricing service; and (5) 
short-term debt securities having a maturity date of more than sixty days at 
time of purchase are valued on a mark-to-market basis until sixty days prior 
to maturity and thereafter at amortized cost based on their value on the 61st 
day. Short-term debt securities having a maturity date of sixty days or less 
at the time of purchase are valued at amortized cost. 

B. ACCOUNTING FOR INVESTMENTS -- Security transactions are accounted for on 
the trade date (date the order to buy or sell is executed). Realized gains 
and losses on security transactions are determined by the identified cost 
method. Discounts are accreted over the life of the respective securities. 
Interest income is accrued daily. 

C. MULTIPLE CLASS ALLOCATIONS -- Investment income, expenses (other than 
distribution fees), and realized and unrealized gains and losses are 
allocated to each class of shares based upon the relative net asset value on 
the date such items are recognized. Distribution fees are charged directly to 
the respective class. 

D. FOREIGN CURRENCY TRANSLATION -- The books and records of the Fund are 
maintained in U.S. dollars as follows: (1) the foreign currency market value 
of investment securities, other assets and liabilities and forward foreign 
currency contracts are translated at the exchange rates prevailing at the end 
of the period; and (2) purchases, sales, income and expenses are translated 
at the exchange rates prevailing on the respective dates of such 
transactions. The resultant exchange gains and losses are included in the 
Statement of Operations as realized and unrealized gain/loss on foreign 
exchange transactions. Pursuant to U.S. Federal income tax regulations, 
certain foreign exchange gains/losses included in realized and unrealized 
gain/loss are included in or are a reduction of ordinary income for federal 
income tax purposes. The Fund does not isolate that portion of the results of 
operations arising as a result of changes in the foreign exchange rates from 
the changes in the market prices of the securities. 

E. FORWARD FOREIGN CURRENCY CONTRACTS -- The Fund may enter into forward 
foreign currency contracts which are valued daily at the appropriate exchange 
rates. The resultant unrealized exchange gains and losses are included in the 
Statement of Operations as unrealized foreign currency gain or loss. The Fund 
records realized gains or losses on delivery of the currency or at the time 
the forward contract is extinguished (compensated) by entering into a closing 
transaction prior to delivery. 

F. FEDERAL INCOME TAX STATUS -- It is the Fund's policy to comply with the 
requirements of the Internal Revenue Code applicable to regulated investment 
companies and to distribute all of its taxable income to its shareholders. 
Accordingly, no federal income tax provision is required. 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

G. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- The Fund records dividends 
and distributions to its shareholders on the record date. The amount of 
dividends and distributions from net investment income and net realized 
capital gains are determined in accordance with federal income tax 
regulations which may differ from generally accepted accounting principles. 
These "book/tax" differences are either considered temporary or permanent in 
nature. To the extent these differences are permanent in nature, such amounts 
are reclassified within the capital accounts based on their federal tax-basis 
treatment; temporary differences do not require reclassification. Dividends 
and distributions which exceed net investment income and net realized capital 
gains for financial reporting purposes but not for tax purposes are reported 
as dividends in excess of net investment income or distributions in excess of 
net realized capital gains. To the extent they exceed net investment income 
and net realized capital gains for tax purposes, they are reported as 
distributions of paid-in-capital. 

H. ORGANIZATIONAL EXPENSES -- The Investment Manager paid the organizational 
expenses of the Fund in the amount of approximately $151,000 which have been 
reimbursed for the full amount thereof. Such expenses have been deferred and 
were fully amortized on the straight-line method from the commencement of 
operations through April 8, 1997. 

2. INVESTMENT MANAGEMENT AGREEMENT 

Pursuant to an Investment Management Agreement, the Fund pays the Investment 
Manager a management fee, accrued daily and payable monthly, by applying the 
annual rate of 0.40% to the net assets of the Fund determined as of the close 
of each business day. 

Under the terms of the Agreement, in addition to managing the Fund's 
investments, the Investment Manager maintains certain of the Fund's books and 
records and furnishes, at its own expense, office space, facilities, 
equipment, clerical, bookkeeping and certain legal services and pays the 
salaries of all personnel, including officers of the Fund who are employees 
of the Investment Manager. The Investment Manager also bears the cost of 
telephone services, heat, light, power and other utilities provided to the 
Fund. 

3. PLAN OF DISTRIBUTION 

Shares of the Fund are distributed by Dean Witter Distributors Inc. (the 
"Distributor"), an affiliate of the Investment Manager. The Fund has adopted 
a Plan of Distribution (the "Plan"), pursuant to Rule 12b-1 under the Act. 
The Plan provides that the Fund will pay the Distributor a fee which is 
accrued daily and paid monthly at the following annual rates: (i) Class A -up 
to 0.25% of the average daily net assets of Class A; (ii) Class B -0.85% of 
the lesser of: (a) the average daily aggregate gross sales of the Class B 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

shares since inception of the Fund (not including reinvestment of dividend or 
capital gain distributions) less the average net asset value of the Class B 
shares redeemed since the Fund's inception upon which a contingent deferred 
sales charge has been imposed or waived; or (b) the average daily net assets 
of Class B; and (iii) Class C -up to 0.85% of the average daily net assets of 
Class C. In the case of Class A shares, amounts paid under the Plan are paid 
to the Distributor for services provided. In the case of Class B and Class C 
shares, amounts paid under the Plan are paid to the Distributor for services 
provided and the expenses borne by it and others in the distribution of the 
shares of these Classes, including the payment of commissions for sales of 
these Classes and incentive compensation to, and expenses of, the account 
executives of Dean Witter Reynolds Inc. ("DWR"), an affiliate of the 
Investment Manager and Distributor, and others who engage in or support 
distribution of the shares or who service shareholder accounts, including 
overhead and telephone expenses; printing and distribution of prospectuses 
and reports used in connection with the offering of these shares to other 
than current shareholders; and preparation, printing and distribution of 
sales literature and advertising materials. In addition, the Distributor may 
utilize fees paid pursuant to the Plan, in the case of Class B shares, to 
compensate DWR and other selected broker-dealers for their opportunity costs 
in advancing such amounts, which compensation would be in the form of a 
carrying charge on any unreimbursed expenses. 

In the case of Class B shares, provided that the Plan continues in effect, 
any cumulative expenses incurred by the Distributor but not yet recovered may 
be recovered through the payment of future distribution fees from the Fund 
pursuant to the Plan and contingent deferred sales charges paid by investors 
upon redemption of Class B shares. Although there is no legal obligation for 
the Fund to pay expenses incurred in excess of payments made to the 
Distributor under the Plan and the proceeds of contingent deferred sales 
charges paid by investors upon redemption of shares, if for any reason the 
Plan is terminated, the Trustees will consider at that time the manner in 
which to treat such expenses. The Distributor has advised the Fund that such 
excess amounts, including carrying charges, totaled $14,622,156 at October 
31, 1997. 

In the case of Class A shares and Class C shares, expenses incurred pursuant 
to the Plan in any calendar year in excess of 0.25% or 0.85% of the average 
daily net assets of Class A or Class C, respectively, will not be reimbursed 
by the Fund through payments in any subsequent year, except that expenses 
representing a gross sales credit to account executives may be reimbursed in 
the subsequent calendar year. For the period ended October 31, 1997, the 
distribution fee was accrued for Class A shares and Class C shares at the 
annual rate of 0.25% and 0.85%, respectively. 

The Distributor has informed the Fund that for the year ended October 31, 
1997, it received contingent deferred sales charges from certain redemptions 
of the Fund's Class B shares and Class C shares of 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

$1,414,909, and $630, respectively and received approximately $39,000 in 
front-end sales charges from sales of the Fund's Class A shares. The 
respective shareholders pay such charges which are not an expense of the 
Fund. 

4. SECURITY TRANSACTIONS AND TRANSACTIONS WITH AFFILIATES 

The cost of purchases and proceeds from sales of portfolio securities, 
excluding short-term investments, for the year ended October 31, 1997 
aggregated $979,183,403 and $828,572,899, respectively. Included in the 
aforementioned are purchases and sales of U.S. Government securities of 
$408,062,350 and $217,120,322, respectively. 

Dean Witter Trust FSB, an affiliate of the Investment Manager and 
Distributor, is the Fund's transfer agent. At October 31, 1997, the Fund had 
transfer agent fees and expenses payable of approximately $2,000. 

The Fund has an unfunded noncontributory defined benefit pension plan 
covering all independent Trustees of the Fund who will have served as 
independent Trustees for at least five years at the time of retirement. 
Benefits under this plan are based on years of service and compensation 
during the last five years of service. Aggregate pension costs for the year 
ended October 31, 1997 included in Trustees' fees and expenses in the 
Statement of Operations amounted to $5,793. At October 31, 1997, the Fund had 
an accrued pension liability of $32,400 which is included in accrued expenses 
in the Statement of Assets and Liabilities. 

5. FEDERAL INCOME TAX STATUS 

At October 31, 1997, the Fund had an approximate net capital loss carryover 
of $16,314,000, which may be used to offset future capital gains to the 
extent provided by regulations, which is available through October 31 of the 
following years: 

<TABLE>
<CAPTION>
         AMOUNT IN THOUSANDS 
- ------------------------------------- 
   2002     2003      2004     2005 
- --------  -------- --------  -------- 
<S>       <C>      <C>       <C>
 $3,024    $3,677    $2,482    $7,131 
========  ======== ========  ======== 

</TABLE>

As of October 31, 1997, the Fund had temporary book/tax differences primarily 
attributable to the mark-to-market of open forward foreign currency exchange 
contracts and compensated forward foreign currency exchange contracts and 
permanent book/tax differences primarily attributable to foreign currency 
gains. To reflect reclassifications arising from the permanent differences, 
accumulated net realized loss was charged and accumulated undistributed net 
investment income was credited $522,411. 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

6. SHARES OF BENEFICIAL INTEREST 

Transactions in shares of beneficial interest were as follows: 

<TABLE>
<CAPTION>
                                    FOR THE YEAR                    FOR THE YEAR 
                                        ENDED                           ENDED 
                                  OCTOBER 31, 1997                OCTOBER 31, 1996 
                           ------------------------------- ------------------------------- 
                               SHARES          AMOUNT          SHARES          AMOUNT 
                           -------------- ---------------  -------------- --------------- 
<S>                        <C>            <C>              <C>            <C>
CLASS A SHARES* 
Sold......................       558,411    $   5,262,008         --              -- 
Reinvestment of 
 dividends................         1,750           16,494         --              -- 
Redeemed..................       (38,724)        (367,538)        --              -- 
                           -------------- ---------------  -------------- --------------- 
Net increase -Class A ....       521,437        4,910,964         --              -- 
                           -------------- ---------------  -------------- --------------- 
CLASS B SHARES 
Sold......................    55,563,733      525,362,254     36,480,365    $ 353,997,564 
Reinvestment of 
 dividends................     3,620,754       34,158,956      2,052,285       19,859,631 
Redeemed..................   (38,605,240)    (364,124,514)   (18,707,218)    (181,450,808) 
                           -------------- ---------------  -------------- --------------- 
Net increase -Class B ....    20,579,247      195,396,696     19,825,432      192,406,387 
                           -------------- ---------------  -------------- --------------- 
CLASS C SHARES* 
Sold .....................       404,022        3,813,369         --              -- 
Reinvestment of 
 dividends................         2,302           21,713         --              -- 
Redeemed..................        (7,200)         (68,099)        --              -- 
                           -------------- ---------------  -------------- --------------- 
Net increase -Class C ....       399,124        3,766,983         --              -- 
                           -------------- ---------------  -------------- --------------- 
CLASS D SHARES* 
Sold......................        10,494           99,638         --              -- 
Reinvestment of 
 dividends................            23              217         --              -- 
                           -------------- ---------------  -------------- --------------- 
Net increase -Class D ....        10,517           99,855         --              -- 
                           -------------- ---------------  -------------- --------------- 
Net increase in Fund .....    21,510,325    $ 204,174,498     19,825,432    $ 192,406,387 
                           ============== ===============  ============== =============== 
</TABLE>

- ------------ 
*     For the period July 28, 1997 (issue date) through October 31, 1997. 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
NOTES TO FINANCIAL STATEMENTS October 31, 1997, continued 

7. PURPOSE OF AND RISKS RELATING TO CERTAIN FINANCIAL INSTRUMENTS 

The Fund may enter into forward foreign currency contracts ("forward 
contracts") to facilitate settlement of foreign currency denominated 
portfolio transactions or to manage its foreign currency exposure or to sell, 
for a fixed amount of U.S. dollars or other currency, the amount of foreign 
currency approximating the value of some or all of its holdings denominated 
in such foreign currency or an amount of foreign currency other than the 
currency in which the securities to be hedged are denominated approximating 
the value of some or all of its holdings to be hedged. Additionally, when the 
Investment Manager anticipates purchasing securities at some time in the 
future, the Fund may enter into a forward contract to purchase an amount of 
currency equal to some or all the value of the anticipated purchase for a 
fixed amount of U.S. dollars or other currency. 

To hedge against adverse interest rate, foreign currency and market risks, 
the Fund may enter into written options on interest rate futures and interest 
rate futures contracts ("derivative investments"). 

Forward contracts and derivative instruments involve elements of market risk 
in excess of the amount reflected in the Statement of Assets and Liabilities. 
The Fund bears the risk of an unfavorable change in the foreign exchange 
rates underlying the forward contracts. Risks may also arise upon entering 
into these contracts from the potential inability of the counterparties to 
meet the terms of their contracts. 

At October 31, 1997, there were outstanding forward contracts used to 
facilitate settlement of foreign currency denominated portfolio transactions 
and manage foreign currency exposure. 

At October 31, 1997, the Fund's cash balance consisted principally of 
interest bearing deposits with Chase Manhattan Bank N.A., the Fund's 
custodian. 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL HIGHLIGHTS 

Selected ratios and per share data for a share of beneficial interest 
outstanding throughout each period: 

<TABLE>
<CAPTION>
                                                                                                         FOR THE PERIOD 
                                                         FOR THE YEAR ENDED OCTOBER 31                   APRIL 9, 1992* 
                                         --------------------------------------------------------------     THROUGH      
                                          1997** ++      1996         1995        1994         1993     OCTOBER 31, 1992 
- ---------------------------------------  ----------- -----------  ----------- -----------  ------------ ----------------
<S>                                      <C>         <C>          <C>         <C>          <C>         <C>
CLASS B SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period ...    $ 9.78      $ 9.62       $ 9.37      $10.20       $10.01         $10.00 
                                         ----------- -----------  ----------- -----------  ----------- ---------------- 
Net investment income...................      0.74        0.78         0.77        0.74         0.77           0.37 
Net realized and unrealized gain 
 (loss).................................     (0.15)       0.10         0.20       (0.80)        0.20           -- 
                                         ----------- -----------  ----------- -----------  ----------- ---------------- 
Total from investment operations .......      0.59        0.88         0.97       (0.06)        0.97           0.37 
                                         ----------- -----------  ----------- -----------  ----------- ---------------- 
Less dividends and distributions from: 
 Net inivestment income.................     (0.91)      (0.72)       (0.72)      (0.64)       (0.73)         (0.36) 
 Net realized gain .....................      --          --           --         (0.01)       (0.05)          -- 
 Paid-in-capital........................      --          --           --         (0.12)        --             -- 
                                         ----------- -----------  ----------- -----------  ----------- ---------------- 
Total dividends and distributions ......     (0.91)      (0.72)       (0.72)      (0.77)       (0.78)         (0.36) 
                                         ----------- -----------  ----------- -----------  ----------- ---------------- 
Net asset value, end of period..........    $ 9.46      $ 9.78       $ 9.62      $ 9.37       $10.20         $10.01 
                                         =========== ===========  =========== ===========  =========== ================ 
TOTAL INVESTMENT RETURN+................      6.46%       9.49%       10.76%      (0.69)%      10.00%          3.73%(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses................................      1.40%       1.42%        1.44%       1.51%        1.58% (4)      0.85%(2)(3) 
Net investment income...................      7.90%       8.38%        8.30%       7.91%        7.92% (4)      7.86%(2)(3) 
SUPPLEMENTAL DATA: 
Net assets, end of period, in 
thousands...............................  $915,899     $745,581    $542,544     $407,038    $167,137        $55,297 
Portfolio turnover rate ................       104%         82%          87%         60%         117%            37%(1) 
</TABLE>

- ------------ 
*       Commencement of operations. 
**      Prior to July 28, 1997, the Fund issued one class of shares. All 
        shares of the Fund held prior to that date have been designated Class 
        B shares. 
++      The per share amounts were computed using an average number of shares 
        outstanding during the period. 
+       Does not reflect the deduction of sales charge. Calculated based on 
        the net asset value as of the last business day of the period. 
(1)     Not annualized. 
(2)     Annualized. 
(3)     If the Fund had borne all expenses that were assumed or waived by the 
        Investment Manager, the annualized expense and net investment income 
        ratios would have been 2.08% and 6.63%, respectively. 
(4)     If the Fund had borne all expenses that were assumed or waived by the 
        Investment Manager, the annualized expense and net investment income 
        ratios would have been 1.66% and 7.84%, respectively. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL HIGHLIGHTS, continued 

<TABLE>
<CAPTION>
                                             FOR THE PERIOD 
                                             JULY 28, 1997* 
                                                THROUGH 
                                              OCTOBER 31, 
                                                 1997++ 
- -----------------------------------------  ----------------- 
<S>                                        <C>
CLASS A SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period .....       $ 9.40 
                                           ----------------- 
Net investment income.....................         0.22 
Net realized and unrealized gain..........         0.04 
                                           ----------------- 
Total from investment operations..........         0.26 
                                           ----------------- 
Less dividends from net investment 
 income...................................        (0.20) 
                                           ----------------- 
Net asset value, end of period............       $ 9.46 
                                           ================= 
TOTAL INVESTMENT RETURN+..................         2.74%(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses..................................         0.85%(2) 
Net investment income.....................         8.98%(2) 
SUPPLEMENTAL DATA: 
Net assets, end of period, in thousands ..       $4,933 
Portfolio turnover rate...................          104% 
CLASS C SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period .....       $ 9.40 
                                           ----------------- 
Net investment income.....................         0.20 
Net realized and unrealized gain..........         0.04 
                                           ----------------- 
Total from investment operations..........         0.24 
                                           ----------------- 
Less dividends from net investment 
 income...................................        (0.19) 
                                           ----------------- 
Net asset value, end of period............       $ 9.45 
                                           ================= 
TOTAL INVESTMENT RETURN+..................         2.52%(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses..................................         1.44%(2) 
Net investment income.....................         8.17%(2) 
SUPPLEMENTAL DATA: 
Net assets, end of period, in thousands ..       $3,773 
Portfolio turnover rate...................          104% 
</TABLE>

- ------------ 
*       The date shares were first issued. 
++      The per share amounts were computed using an average number of shares 
        outstanding during the period. 
+       Does not reflect the deduction of sales charge. Calculated based on 
        the net asset value as of the last business day of the period. 
(1)     Not annualized. 
(2)     Annualized. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
FINANCIAL HIGHLIGHTS, continued 

<TABLE>
<CAPTION>
                                             FOR THE PERIOD 
                                             JULY 28, 1997* 
                                                THROUGH 
                                              OCTOBER 31, 
                                                 1997++ 
- -----------------------------------------  ----------------- 
<S>                                        <C>
CLASS D SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period .....       $ 9.40 
                                           ----------------- 
Net investment income ....................         0.23 
Net realized and unrealized gain  ........         0.02 
                                           ----------------- 
Total from investment operations  ........         0.25 
                                           ----------------- 
Less dividends from net investment 
 income...................................        (0.20) 
                                           ----------------- 
Net asset value, end of period ...........       $ 9.45 
                                           ================= 
TOTAL INVESTMENT RETURN+..................         2.69%(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses..................................         0.59%(2) 
Net investment income ....................         9.26%(2) 
SUPPLEMENTAL DATA: 
Net assets, end of period, in thousands  .       $   99 
Portfolio turnover rate ..................          104% 
</TABLE>

- ------------ 
*       The date the shares were first issued. 
++      The per share amounts were computed using an average number of shares 
        outstanding during the period. 
+       Calculated based on the net asset value as of the last business day 
        of the period. 
(1)     Not annualized. 
(2)     Annualized. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

<PAGE>
DEAN WITTER DIVERSIFIED INCOME TRUST 
REPORT OF INDEPENDENT ACCOUNTANTS 

TO THE SHAREHOLDERS AND TRUSTEES 
OF DEAN WITTER DIVERSIFIED INCOME TRUST 

In our opinion, the accompanying statement of assets and liabilities, 
including the portfolio of investments, and the related statements of 
operations and of changes in net assets and the financial highlights present 
fairly, in all material respects, the financial position of Dean Witter 
Diversified Income Trust (the "Fund") at October 31, 1997, the results of its 
operations for the year then ended, the changes in its net assets for each of 
the two years in the period then ended and the financial highlights for each 
of the periods presented, in conformity with generally accepted accounting 
principles. These financial statements and financial highlights (hereafter 
referred to as "financial statements") are the responsibility of the Fund's 
management; our responsibility is to express an opinion on these financial 
statements based on our audits. We conducted our audits of these financial 
statements in accordance with generally accepted auditing standards which 
require that we plan and perform the audit to obtain reasonable assurance 
about whether the financial statements are free of material misstatement. An 
audit includes examining, on a test basis, evidence supporting the amounts 
and disclosures in the financial statements, assessing the accounting 
principles used and significant estimates made by management, and evaluating 
the overall financial statement presentation. We believe that our audits, 
which included confirmation of securities at October 31, 1997 by 
correspondence with the custodian and brokers and the application of 
alternative auditing procedures where confirmations from brokers were not 
received, provide a reasonable basis for the opinion expressed above. 

PRICE WATERHOUSE LLP 
1177 Avenue of the Americas 
New York, New York 10036 
December 17, 1997 
<PAGE>

                 (This page has been left blank intentionally.
<PAGE>

                 (This page has been left blank intentionally.
<PAGE>
TRUSTEES
Michael Bozic
Charles A. Fiumefreddo
Edwin J. Garn
John R. Haire
Dr. Manuel H. Johnson
Michael E. Nugent
Philip J. Purcell
John L. Schroeder

OFFICERS
Charles A. Fiumefreddo
Chairman and Chief Executive Officer

Barry Fink
Vice President, Secretary and General Counsel

Peter M. Avelar
Vice President

Rajesh K. Gupta
Vice President

Vinh Q. Tran
Vice President

Thomas F. Caloia
Treasurer

TRANSFER AGENT
Dean Witter Trust FSB
Harborside Financial Center - Plaza Two
Jersey City, New Jersey 07311

INDEPENDENT ACCOUNTANTS
Price Waterhouse LLP
1177 Avenue of the Americas
New York, New York 10036

INVESTMENT MANAGER
Dean Witter InterCapital Inc.
Two World Trade Center
New York, New York 10048

This report is submitted for the general information of shareholders of the
Fund. For more detailed information about the Fund, its officers and trustees,
fees, expenses and other pertinent information, please see the prospectus of
the Fund.

This report is not authorized for distribution to prospective investors in the
Fund unless preceded or accompanied by an effective prospectus.

DEAN WITTER 
DIVERSIFIED 
INCOME TRUST

ANNUAL REPORT
OCTOBER 31, 1997


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