DIMENSIONAL INVESTMENT GROUP INC. CUSTODIAN AGREEMENT ADDENDUM NUMBER EIGHT

EX – 99.g.1.viii

DIMENSIONAL INVESTMENT GROUP INC.

CUSTODIAN AGREEMENT

ADDENDUM NUMBER EIGHT

THIS ADDENDUM is made as of the     day of             , 2003, by and between DIMENSIONAL INVESTMENT GROUP INC., formerly known as the “DFA U.S. Large Cap Portfolio, Inc.,” a Maryland corporation (the “Fund”), and PFPC TRUST COMPANY, formerly known as “Provident National Bank” (“PFPC Trust”).

WITNESSETH:

WHEREAS, the Fund is registered as an open-end, management investment company under the Investment Company Act of 1940, as amended, and its shares are registered under the Securities Act of 1933, as amended; and

WHEREAS, the Fund has retained PFPC Trust to provide certain custodian services pursuant to a Custodian Agreement dated July 12, 1991, as amended (the “Agreement”), which, as of the date hereof, is in full force and effect; and

WHEREAS, Paragraph 1 of the Agreement provides that PFPC Trust shall provide such services to any portfolio organized by the Fund after the date of the Agreement as agreed to in writing by PFPC Trust and the Fund; and

WHEREAS, PFPC Trust presently provides custodian services to the existing portfolios of the Fund and has agreed to provide such services to two (2) new portfolios of the Fund, designated as DFA International Small Company Portfolio V and DFA Emerging Markets Portfolio V, which are listed on Schedule A attached hereto; and

WHEREAS, Paragraph 28 of the Agreement provides that the Agreement may only be changed by a written instrument signed by the party against which enforcement of such change is sought;

NOW, THEREFORE, in consideration of the premises and mutual covenants herein contained, and intending to be legally bound, the parties hereby agree that:

1. The Agreement is amended to provide that those portfolios set forth on “Schedule A, Portfolios of Dimensional Investment Group Inc., Amended and Restated March 30, 2003,” which is attached hereto, shall be “Portfolios” under the Agreement.

2. The fee schedules of PFPC Trust applicable to the Portfolios shall be as agreed to in writing, from time to time by the Fund and PFPC Trust.

3. In all other respects, the Agreement shall remain unchanged and in full force and effect.

4. This Addendum may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

5. The effective date of this Addendum shall be March 30, 2003.

IN WITNESS WHEREOF, the parties hereto have caused this Addendum Number Eight to the Agreement to be executed by their duly authorized officers designated below on the day and year first above written.

DIMENSIONAL INVESTMENT GROUP INC.

By:

Xxxxxxxxx X. Xxxxxx

Vice President and Secretary

PFPC TRUST COMPANY

By:

Xxxxxx Xxxxxxxx

Chairman

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Amended and Restated

March 30, 2003

SCHEDULE A

PORTFOLIOS OF

DIMENSIONAL INVESTMENT GROUP INC.

The DFA U.S. Small Cap Institutional Portfolio (4/93)

U.S. Large Cap Value Portfolio II (7/94)

U.S. Small Cap Value Portfolio II (7/94)

The DFA International Value Portfolio (12/93)

DFA International Value Portfolio II (7/94)

DFA International Value Portfolio III (12/94)

U.S. Large Cap Value Portfolio III (12/94)

AAM/DFA U.S. High Book to Market Portfolio (3/96)

AAM/DFA Two-Year Fixed Income Portfolio (3/96)

AAM/DFA Two-Year Government Portfolio (3/96)

Emerging Markets Portfolio II (8/97)

DFA International Value Portfolio IV (8/97)

Tax-Managed U.S. Marketwide Value Portfolio II (12/98)

U.S. Large Company Institutional Index Portfolio (9/99)

U.S. Small Cap Portfolio K (6/00)

U.S. Large Cap Value Portfolio K (6/00)

U.S. Small XM Value Portfolio K (6/00)

U.S. Large Company Portfolio K (6/00)

DFA International Value Portfolio K (6/00)

Emerging Markets Portfolio K (6/00)

DFA One-Year Fixed Income Portfolio K (6/00)

DFA Two-Year Global Fixed Income Portfolio K (6/00)

DFA International Small Company Portfolio V (3/03)

DFA Emerging Markets Portfolio V (3/03)

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