EX-99.2 4 rs99_2.txt Exhibit 99.2 SIGNATURES ---------- After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: February 12, 2007 THE GOLDMAN SACHS GROUP, INC. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GOLDMAN, SACHS & CO. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GSCP V ADVISORS, L.L.C. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GSCP V OFFSHORE ADVISORS, L.L.C. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GS ADVISORS V, L.L.C. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GOLDMAN, SACHS MANAGEMENT GP GMBH By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GS CAPITAL PARTNERS V FUND, L.P. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GS CAPITAL PARTNERS V OFFSHORE FUND, L.P. By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact GS CAPITAL PARTNERS V GMBH & CO. KG By: /s/ Yvette Kosic ------------------------------ Name: Yvette Kosic Title: Attorney-in-fact