SUPPLEMENT TO THE PROSPECTUS
of
KEYSTONE QUALITY BOND FUND (B-1)
(the "Fund")
Dated
February 28, 1997
The section of the prospectus entitled "Portfolio Manager" under
"Fund Management and Expenses" is hereby supplemented to read as follows:
Christopher P. Conkey is the Portfolio Manager of the Fund. He is Chief
Investment Officer of Fixed Income and Head of the High Grade Bond Team for
Keystone. Mr. Conkey, who joined Keystone in 1988, manages a variety of high
quality bond funds. He is a member of Keystone's Investment Policy Committee and
is responsible for directing the strategy creation process for all high grade
products. Mr. Conkey has 14 years of investment experience.
June 17, 1997
