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                          	 Diamond Hill
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                                 Investments


FOR IMMEDIATE RELEASE:
					Investor Contact:
					James F. Laird-Chief Financial Officer
					614-255-3353 (jlaird@diamond-hill.com)

DIAMOND HILL INVESTMENT GROUP, INC.
ANNOUNCES SPECIAL DIVIDEND

	Columbus, Ohio - December 5, 2012 - Diamond Hill Investment Group, Inc.
(NASDAQ:DHIL) today announced that its board of directors has approved an $8.00
per share special cash dividend to shareholders of record on December 17, 2012
payable December 21, 2012. The company will finalize tax characterization
of the dividend in February 2013 and expects a portion will be return of
capital.

While this is the fifth consecutive year that the company has paid a special
dividend, there can be no assurance that the company will pay a dividend in the
future. The Board of Directors and management continually review various factors
to determine whether the company has capital in excess of that required for the
business and the appropriate use of any excess capital. The factors considered
include the company's investment opportunities, the company's risks, and future
dividend and capital gain tax rates. Evaluating management's stewardship of
capital for shareholders is a central part of our intrinsic value investment
discipline that we practice for our clients. We hold ourselves to the same
standard that we look for when evaluating investments for our clients.


About Diamond Hill:
Diamond Hill is an independent investment management firm with significant
employee ownership and $9.7 billion in assets under management as of
September 30, 2012. The firm provides investment management services to
institutions and individuals through mutual funds, institutional separate
accounts, and private investment funds. Diamond Hill's entire investment
team shares the same intrinsic value investment philosophy focused on
absolute returns, and the firm's interests are firmly aligned with its
clients through significant investment in its strategies.  For more
information on Diamond Hill, visit www.diamond-hill.com.

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            325 John H. McConnell Blvd, Suite 200, Columbus, Ohio 43215
                         614-255-3333  fax 614-255-336