Stock Trading History of Dillon Roderick H Jr

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Dillon Roderick H Jr since year 2005. The trader's CIK number is 920530. At the time of this reporting, Dillon Roderick H Jr is the President and CEO of Diamond Hill Investment Group Inc (stock ticker symbol DHIL).

Stock purchases, sales, and option exercises reported by *Dillon Roderick H Jr* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-01-02	DHIL	Diamond Hill Investment Group Inc	Option Exercise	3,500	28.10	98,350
2007-02-20	DHIL	Diamond Hill Investment Group Inc	Sale	7,400	108.31	801,494
2007-02-20	DHIL	Diamond Hill Investment Group Inc	Option Exercise	100,000	8.00	800,000
2007-02-16	DHIL	Diamond Hill Investment Group Inc	Option Exercise	16,500	28.10	463,650
2007-01-03	DHIL	Diamond Hill Investment Group Inc	Option Exercise	100,000	8.00	800,000
2006-12-28	DHIL	Diamond Hill Investment Group Inc	Sale	5,000	85.40	427,000
2006-12-27	DHIL	Diamond Hill Investment Group Inc	Sale	5,000	86.17	430,850
2006-12-19	DHIL	Diamond Hill Investment Group Inc	Sale	2,711	78.47	212,732
2005-09-09	DHIL	Diamond Hill Investment Group Inc	Sale	11,500	25.92	298,034

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Dillon Roderick H Jr (President and CEO of Diamond Hill Investment Group Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.