0001181431-13-036900 3 2 20130626 20130626 20130626 CDW CORP 0000899171 5961 363310735 IL 1231 200 N MILWAUKEE AVE VERNON HILLS IL 60061 8474656000 200 N MILWAUKEE AVE VERNON HILLS IL 60061 CDW COMPUTER CENTERS INC 19930322 MENCOFF SAMUEL M 0001219630 3 34 000-21796 13935787 BUCKEYE TECHNOLOGIES INC 1001 TILLMAN STREET MEMPHIS TN 38112 MADISON DEARBORN PARTNERS V-A&C, L.P. 0001579972 DE 1231 3 34 000-21796 13935788 THREE FIRST NATIONAL PLAZA, SUITE 3800 CHICAGO IL 60602 312-895-1000 THREE FIRST NATIONAL PLAZA, SUITE 3800 CHICAGO IL 60602 MDCP Co-Investors (CDW) LP 0001416217 DE 3 34 000-21796 13935789 Three First National Plaza Chicago IL 60602 312-895-1000 Three First National Plaza Chicago IL 60602 MADISON DEARBORN CAPITAL PARTNERS V EXECUTIVE-A L P 0001362213 3 34 000-21796 13935790 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 312-895-1000 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 MADISON DEARBORN PARTNERS LLC 0001181100 DE 1231 3 34 000-21796 13935793 THREE FIRST NATIONAL PLAZA 70 WEST MADISON STREET, SUITE 4600 CHICAGO IL 60602 3128951000 THREE FIRST NATIONAL PLAZA 70 WEST MADISON STREET, SUITE 4600 CHICAGO IL 60602 Madison Dearborn Capital Partners V - C L P 0001344693 DE 3 34 000-21796 13935791 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 3128951000 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 Madison Dearborn Capital Partners V - A L P 0001344692 DE 3 34 000-21796 13935792 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 3128951000 THREE FIRST NATIONAL PLAZA SUITE 3800 CHICAGO IL 60602 3 1 rrd384395.xml FORM 3 EX-24. 2 rrd345730_391124.htm POWER OF ATTORNEY