<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Advest, Inc. 100% of the applicable sales charge on sales of Class A shares
of the Fund sold by them during the Sales Period. In addition, MFD will pay
Advest, Inc. an additional commission equal to 0.50% of the net asset value of
all of the Class B shares of the Fund sold by them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Robert W. Baird & Co. 100% of the applicable sales charge on sales of Class
A shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay Robert W. Baird & Co. an additional commission equal to 0.50% of the net
asset value of all of the Class B shares of the Fund sold by them during the
Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay J.C. Bradford & Co. 100% of the applicable sales charge on sales of Class A
shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay J.C. Bradford & Co. an additional commission equal to 0.50% of the net asset
value of all of the Class B shares of the Fund sold by them during the Sales
Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Cowen & Company 100% of the applicable sales charge on sales of Class A
shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay Cowen & Company an additional commission equal to 0.50% of the net asset
value of all of the Class B shares of the Fund sold by them during the Sales
Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Gruntal & Co. 100% of the applicable sales charge on sales of Class A shares
of the Fund sold by them during the Sales Period. In addition, MFD will pay
Gruntal & Co. an additional commission equal to 0.50% of the net asset value of
all of the Class B shares of the Fund sold by them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Morgan Keegan & Company, Inc. 100% of the applicable sales charge on sales
of Class A shares of the Fund sold by them during the Sales Period. In addition,
MFD will pay Morgan Keegan & Company, Inc. an additional commission equal to
0.50% of the net asset value of all of the Class B shares of the Fund sold by
them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Piper Jaffray, Inc. 100% of the applicable sales charge on sales of Class A
shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay Piper Jaffray, Inc. an additional commission equal to 0.50% of the net asset
value of all of the Class B shares of the Fund sold by them during the Sales
Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Principal Financial Securities, Inc. 100% of the applicable sales charge on
sales of Class A shares of the Fund sold by them during the Sales Period. In
addition, MFD will pay Principal Financial Securities, Inc. an additional
commission equal to 0.50% of the net asset value of all of the Class B shares of
the Fund sold by them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Rauscher Pierce Refsnes, Inc. 100% of the applicable sales charge on sales
of Class A shares of the Fund sold by them during the Sales Period. In addition,
MFD will pay Rauscher Pierce Refsnes, Inc. an additional commission equal to
0.50% of the net asset value of all of the Class B shares of the Fund sold by
them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Roney & Co. 100% of the applicable sales charge on sales of Class A shares
of the Fund sold by them during the Sales Period. In addition, MFD will pay
Roney & Co. an additional commission equal to 0.50% of the net asset value of
all of the Class B shares of the Fund sold by them during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Scott & Stringfellow, Inc. 100% of the applicable sales charge on sales of
Class A shares of the Fund sold by them during the Sales Period. In addition,
MFD will pay Scott & Stringfellow, Inc. an additional commission equal to 0.50%
of the net asset value of all of the Class B shares of the Fund sold by them
during the Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay M.L. Stern & Co., Inc. 100% of the applicable sales charge on sales of Class
A shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay M.L. Stern & Co., Inc. an additional commission equal to 0.50% of the net
asset value of all of the Class B shares of the Fund sold by them during the
Sales Period.
The date of this Supplement is April 1, 1997.
<PAGE>
MASSACHUSETTS INVESTORS TRUST
Supplement to the Current Prospectus
During the period from April 1, 1997 through May 30, 1997 (unless
extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"), MFD will
pay Sutro & Co., Inc. 100% of the applicable sales charge on sales of Class A
shares of the Fund sold by them during the Sales Period. In addition, MFD will
pay Sutro & Co., Inc. an additional commission equal to 0.50% of the net asset
value of all of the Class B shares of the Fund sold by them during the Sales
Period.
The date of this Supplement is April 1, 1997.
