| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | NISOURCE INC/DE | 28,165,168 | 8.8% | EDGAR |
| SC 13G/A | 2016-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | NISOURCE INC/DE | 31,533,011 | 9.8% | EDGAR |
| SC 13G/A | 2016-01-27 | BlackRock Inc. | NISOURCE INC/DE | 18,087,261 | 5.7% | EDGAR |
| SC 13G | 2015-02-17 | DEUTSCHE BANK AG\ | NISOURCE INC/DE | 19,417,886 | 6.1% | EDGAR |
| SC 13G/A | 2015-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | NISOURCE INC/DE | 21,991,926 | 6.9% | EDGAR |
| SC 13G | 2015-02-13 | FMR LLC | NISOURCE INC/DE | 16,099,997 | 5.1% | EDGAR |
| SC 13G | 2015-02-12 | STATE STREET CORP | NISOURCE INC/DE | - | 5.2% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | NISOURCE INC/DE | 24,716,611 | 7.8% | EDGAR |
| SC 13G/A | 2015-01-29 | BlackRock Inc. | NISOURCE INC/DE | 21,005,426 | 6.7% | EDGAR |
| SC 13G/A | 2014-12-09 | JPMORGAN CHASE & CO | NISOURCE INC/DE | - | - | EDGAR |
| SC 13G/A | 2014-02-12 | VANGUARD GROUP INC | NISOURCE INC/DE | 21,637,276 | 6.9% | EDGAR |
| SC 13G/A | 2014-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | NISOURCE INC/DE | 24,634,963 | 7.8% | EDGAR |
| SC 13G | 2014-02-05 | STATE STREET CORP | NISOURCE INC/DE | - | 4.8% | EDGAR |
| SC 13G/A | 2014-01-30 | BlackRock Inc. | NISOURCE INC/DE | 19,149,472 | 6.1% | EDGAR |
| SC 13G/A | 2014-01-17 | JPMORGAN CHASE & CO | NISOURCE INC/DE | - | - | EDGAR |
| SC 13G | 2013-02-12 | STATE STREET CORP | NISOURCE INC/DE | - | 5.0% | EDGAR |
| SC 13G/A | 2013-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | NISOURCE INC/DE | 19,357,283 | 6.2% | EDGAR |
| SC 13G/A | 2013-02-11 | VANGUARD GROUP INC | NISOURCE INC/DE | 18,134,255 | 5.8% | EDGAR |
| SC 13G/A | 2013-02-11 | BlackRock Inc. | NISOURCE INC/DE | 18,243,837 | 5.9% | EDGAR |
| SC 13G | 2013-01-29 | JPMORGAN CHASE & CO | NISOURCE INC/DE | 17,240,348 | 5.5% | EDGAR |