October 19, 1998
SUPPLEMENT TO THE PROSPECTUS FOR
FUND DATED
Pioneer America Income Trust April 30, 1998
Pioneer Bond Fund October 28, 1997
Pioneer Intermediate Tax Free Fund April 30, 1998
Pioneer Short-Term Income Trust March 30, 1998
Pioneer Tax-Free Income Fund April 30, 1998
The following supplements the corresponding section of the Prospectus. Please
consult the Prospectus for the full text of the supplemented section.
MANAGEMENT OF THE FUND
Ms. Theresa A. Hamacher, chief investment officer of Pioneering
Management Corporation ("PMC") since September 1, 1998, has general
responsibility for PMC's investment operations. Ms. Hamacher joined PMC in 1997
and has been an investment professional since 1984. Mr. David Tripple, who
formerly served as chief investment officer, continues as president of Pioneer
and executive vice president of all the Pioneer mutual funds.
Sherman B. Russ and Kenneth J. Taubes are jointly responsible for
overseeing PMC's U.S. and global fixed income team. Mr. Russ, senior vice
president of PMC, joined PMC in 1983 and has been an investment professional
since 1962. Mr. Taubes joined PMC as a vice president in September 1998 and has
been an investment professional since 1989. Prior to joining PMC, Mr. Taubes
had served since 1991 as a senior vice president and senior portfolio manager
for several Putnam institutional accounts and mutual funds.
HOW TO BUY FUND SHARES
CLASS B SHARES
These sentences replace the second sentence of the second paragraph:
For the purpose of determining the number of years from the time of any purchase
after September 30, 1998, all payments during a month will be aggregated and
deemed to have been made on the first day of that month. For the purpose of
determining the number of years from the time of any purchase made prior to
October 1, 1998, all payments during a calendar quarter will be aggregated and
deemed to have been made on the first day of that quarter.
This sentence replaces the first sentence of the fifth paragraph:
Class B shares will automatically convert into Class A shares at the beginning
of the month (or the calendar quarter for purchases made prior to October 1,
1998) that is eight years (five years for Pioneer Short-Term Income Trust and
six years for Pioneer Intermediate Tax-Free Fund) after the purchase date,
except as noted below.
CLASS C SHARES (EXCEPT PIONEER SHORT-TERM INCOME TRUST)
These sentences replace the first sentence of the second paragraph:
For the purpose of determining the number of years from the time of any purchase
after September 30, 1998, all payments during a month will be aggregated and
deemed to have been made on the first day of that month. For the purpose of
determining the number of years from the time of any purchase made prior to
October 1, 1998, all payments during a calendar quarter will be aggregated and
deemed to have been made on the first day of that quarter.
1098-5773
(C) Pioneer Funds Distributor, Inc.