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SUPPLEMENT TO THE JUNE 30, 1995 PROSPECTUS
OF
DFA INVESTMENT DIMENSIONS GROUP INC.
The following supplements the prospectus of DFA Investment Dimensions Group
Inc. (the "Fund") dated June 30, 1995.
At a meeting held on November 30, 1995, the shareholders of the U.S. Large
Company Portfolio ("Portfolio") of the Fund approved a new investment management
agreement ("New Management Agreement") between Dimensional Fund Advisors Inc.
("Advisor") and the Fund on behalf of The U.S. Large Company Series ("Series")
of The DFA Investment Trust Company. Pursuant to the New Management Agreement,
the rate of the management fee of 0.025% will remain the same; however, the
Series will bear all of its ordinary operating expenses. The New Management
Agreement will become effective on December 1, 1995.
The Board of Directors of the Fund has approved a new administration
agreement between the Advisor and the Fund with respect to the Portfolio. Under
the terms of the new administration agreement, the rate of administration fee
will remain the same; however, the new administration agreement provides that
the Advisor will waive its fees and/or assume the expenses of the Portfolio to
the extent (1) necessary to pay the ordinary operating expenses of the Portfolio
(except the administration fee); and (2) that the indirect expenses the
Portfolio bears as a shareholder of the Series, on an annual basis, exceed
0.025% of the average annual net assets of the Portfolio. The new
administration agreement will become effective on December 1, 1995.
The date of this supplement is December 1, 1995.
