<PAGE>
WORLD MONITOR TRUST--
SERIES B
MONTHLY REPORT/
APRIL 30, 1999
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WORLD MONITOR TRUST--SERIES B
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Dear Interest Holder:
Enclosed is the report for the period from March 27, 1999 to April 30, 1999 for
World Monitor Trust--Series B (the 'Trust'). The net asset value of an interest
as of April 30, 1999 was $120.56, an increase of 4.94% from the March 26, 1999
value of $114.88. The 1999 calendar year-to-date return for the Trust was an
increase of 7.66% as of April 30, 1999.
The estimated net asset value per interest as of May 14, 1999 was $123.24. Past
performance is not necessarily indicative of future results.
Should you have any questions, please contact your Prudential Securities
Financial Advisor. For account status inquiries, contact Prudential Securities
Client Services at 1-800-535-2077.
Sincerely yours,
/s/ Joseph A. Filicetti
-------------------------
Joseph A. Filicetti
President and Director
PRUDENTIAL SECURITIES
FUTURES MANAGEMENT INC.
Please note that the value which appears on your Prudential Securities statement
is an estimated value at calendar month-end. The actual value as of the last
Friday of the month is contained in this report.
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
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For the period from March 27, 1999 to
April 30, 1999
<S> <C>
Revenues:
Realized gain on commodity
transactions........................... $ 845,185
Change in unrealized commodity
positions.............................. 248,300
Interest income.......................... 72,595
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1,166,080
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Expenses:
Commissions.............................. 126,836
Management fee........................... 32,807
Incentive fee............................ 186,770
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346,413
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Net gain................................. $ 819,667
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</TABLE>
<TABLE>
<CAPTION>
STATEMENT OF CHANGES IN NET ASSET VALUE
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For the period from March 27, 1999 to
April 30, 1999
Per
Total Interest
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<S> <C> <C>
Net asset value at beginning of
period (136,172.998
interests)..................... $15,643,323 $114.88
Contributions.................... 1,279,961
Net gain......................... 819,667
Redemptions...................... (163,989)
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Net asset value at end of
period (145,813.776
interests)..................... $17,578,962 120.56
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Change in net asset
value per interest.......................... $ 5.68
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Percentage change............................. 4.94%
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</TABLE>
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I hereby affirm that, to the best of my knowledge and belief, the information
contained herein relating to World Monitor Trust--Series B is accurate and
complete.
PRUDENTIAL SECURITIES FUTURES
MANAGEMENT INC.
by: /s/ Barbara J. Brooks
----------------------
Barbara J. Brooks
Chief Financial Officer
