0000950137-08-006593 10-Q 5 20080331 20080502 20080502 NISOURCE INC/DE 0001111711 4931 352108964 DE 1231 10-Q 34 001-16189 08798814 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272 2196475200 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272 NEW NISOURCE INC 20000412 10-Q 1 c26228e10vq.htm QUARTERLY REPORT EX-31.1 2 c26228exv31w1.htm 302 CERTIFICATION OF CHIEF EXECUTIVE OFFICER EX-31.2 3 c26228exv31w2.htm 302 CERTIFICATION OF CHIEF FINANCIAL OFFICER EX-32.1 4 c26228exv32w1.htm 906 CERTIFICATION OF CHIEF EXECUTIVE OFFICER EX-32.2 5 c26228exv32w2.htm 906 CERTIFICATION OF CHIEF FINANCIAL OFFICER