EX-99 2 ex1-sc13d_ihs.txt EXHIBIT 1 ------------------------ ---------------------- 451734107 Page 15 of 15 ------------------------ ---------------------- EXHIBIT 1 to SCHEDULE 13D JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13D-1(k)(1) The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is accurate. Dated: November 22, 2005. GENERAL ATLANTIC LLC By: /s/ Matthew Nimetz ---------------------------------- Name: Matthew Nimetz Title: Managing Director GENERAL ATLANTIC PARTNERS 82, L.P. By: General Atlantic LLC, Its general partner By: /s/ Matthew Nimetz ---------------------------------- Name: Matthew Nimetz Title: Managing Director GAP COINVESTMENTS III, LLC By: /s/ Matthew Nimetz ---------------------------------- Name: Matthew Nimetz Title: Managing Director GAP COINVESTMENTS IV, LLC By: /s/ Matthew Nimetz ---------------------------------- Name: Matthew Nimetz Title: Managing Director GAPSTAR, LLC By: General Atlantic LLC, Its sole member By: /s/ Matthew Nimetz ---------------------------------- Name: Matthew Nimetz Title: Managing Director