X0202 4/A 2006-08-04 2006-08-08 0 0001143363 SI INTERNATIONAL INC SINT 0001199773 FLORENCE WALTER C 135 S. LASALLE STREET, SUITE 3800 CHICAGO IL 60603-4131 1 0 0 0 Common Stock 2006-08-04 4 A 0 625 28.61 A 14631 I By Frontenac Company Stock Options (Right to Buy) 28.61 2006-08-04 4 A 0 1875 28.61 A 2016-08-04 Common Stock 1875 0 I By Frontenac Company Restricted Stock Award vests in three annual installments beginning one year from the grant date (208 vest at the end of the first year, 208 vest at the end of the second year and 209 vest at the end of the third year). The shares of restricted stock granted to Mr. Florence, as a director of the Company, are subject to an agreement between Mr. Florence and Frontenac Company pursuant to which Frontenac Company is entitled to a portion of the economic benefit of such shares. Vests in three equal annual installments beginning one year from the grant date. The shares subject to options granted to Mr. Florence, as a director of the Company, are subject to an agreement between Mr. Florence and Frontenac Company pursuant to which Frontenac Company is entitled to a portion of the economic benefit of such shares. James E. Daniel by Power of Attorney 2006-11-20