MDU Resources Group, Inc. MDU
| Name of reporting person | Citizenship or organization | Sole voting power | Shared voting power | Sole dispositive power | Shared dispositive power | Amount beneficially owned | Percent of class | Accepted date |
|---|---|---|---|---|---|---|---|---|
| (1) BlackRock, Inc. | Delaware | 18214136 | 0 | 18827655 | 0 | 18827655 | 9.3 % | 24/01/2023 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 13355385 | 0 | 13751230 | 13751230 | 6.76 % | 11/02/2022 |
| The Vanguard Group - 23-1945930 | 0 | 96425 | 22262310 | 274818 | 22537128 | 11.08 % | 09/02/2022 | |
| (1) BlackRock, Inc. | Delaware | 17090854 | 0 | 18020281 | 0 | 18020281 | 8.9 % | 31/01/2022 |
| The Vanguard Group - 23-1945930 | 0 | 134536 | 20407235 | 317303 | 20724538 | 10.34 % | 10/02/2021 | |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 13228547 | 0 | 13699907 | 13699907 | 6.83 % | 09/02/2021 |
| (1) BlackRock, Inc. | Delaware | 16370416 | 0 | 17069272 | 0 | 17069272 | 8.5 % | 29/01/2021 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 13343597 | 0 | 13740378 | 13740378 | 6.86 % | 14/02/2020 |
| The Vanguard Group - 23-1945930 | 110365 | 46984 | 20801988 | 127229 | 20929217 | 10.44 % | 11/02/2020 | |
| (1) BlackRock, Inc. | Delaware | 18902771 | 0 | 20068550 | 0 | 20068550 | 10 % | 04/02/2020 |
| (1) BlackRock, Inc. | Delaware | 18695022 | 0 | 19928772 | 0 | 19928772 | 10.1 % | 07/06/2019 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 12127199 | 0 | 12377612 | 12377612 | 6.3 % | 14/02/2019 |
| 94-2943858 | U.S.A. | 8937891 | 0 | 8937891 | 0 | 8937891 | 4.56 % | 12/02/2019 |
| (1) BlackRock, Inc. | Delaware | 17339702 | 0 | 18376417 | 0 | 18376417 | 9.4 % | 06/02/2019 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 11669385 | 0 | 11669385 | 11669385 | 5.97 % | 14/02/2018 |
| 94-2943858 | U.S.A. | 15215391 | 0 | 15215391 | 0 | 15215391 | 7.79 % | 09/02/2018 |
| (1) BlackRock, Inc. | Delaware | 15513498 | 0 | 16450816 | 0 | 16450816 | 8.4 % | 25/01/2018 |
| 94-2943858 | U.S.A. | 13875527 | 0 | 13875527 | 0 | 13875527 | 7.1 % | 14/02/2017 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 13420759 | 0 | 13420759 | 13420759 | 6.87 % | 09/02/2017 |
| (1) BlackRock, Inc. | Delaware | 15053491 | 0 | 15934262 | 0 | 15934262 | 8.2 % | 25/01/2017 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 13969067 | 0 | 13969067 | 13969067 | 7.2 % | 12/02/2016 |
| 94-2943858 | U.S.A. | 13664457 | 0 | 13664457 | 0 | 13664457 | 7 % | 12/02/2016 |
| (1) BlackRock, Inc. | Delaware | 13000204 | 0 | 13972978 | 0 | 13972978 | 7.2 % | 26/01/2016 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 11772294 | 0 | 11772294 | 11772294 | 6.1 % | 12/02/2015 |
| (1) BlackRock, Inc. | Delaware | 12944371 | 0 | 14112776 | 0 | 14112776 | 7.3 % | 26/01/2015 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 9956410 | 0 | 9956410 | 9956410 | 5.3 % | 03/02/2014 |
| (1) BlackRock, Inc. | Delaware | 12183613 | 0 | 13303128 | 0 | 13303128 | 7 % | 29/01/2014 |
| STATE STREET CORPORATION | BOSTON, MASSACHUSETTS | 0 | 9760389 | 0 | 9760389 | 9760389 | 5.2 % | 12/02/2013 |
| (1) BlackRock, Inc. | Delaware | 11808063 | 0 | 11808063 | 0 | 11808063 | 6.25 % | 05/02/2013 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 9676893 | 11 % | 14/02/2012 |
| (1) BlackRock, Inc. | Delaware | 10780637 | 0 | 10780637 | 0 | 10780637 | 5.71 % | 13/02/2012 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 10092631 | 11 % | 11/02/2011 |
| (1) BlackRock, Inc. | Delaware | 10729371 | 0 | 10729371 | 0 | 10729371 | 5.7 % | 02/02/2011 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 10494741 | 11 % | 12/02/2010 |
| BlackRock for purposes of Schedule 13G filings. | Delaware | 10863566 | 0 | 10863566 | 0 | 10863566 | 5.79 % | 29/01/2010 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 10800821 | 11 % | 13/02/2009 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 10874746 | 11 % | 14/02/2008 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 11510290 | 11 % | 14/02/2007 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 7916227 | 11 % | 10/02/2006 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 8129600 | 11 % | 15/02/2005 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 8255232 | 11 % | 18/02/2004 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 5568912 | 11 % | 14/02/2003 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 5525467 | 11 % | 14/02/2002 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 5949498 | 11 % | 12/02/2001 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 6332509 | 11 % | 14/02/2000 |
| EIN # 13-3808042 | NEW YORK, NEW YORK | 0 | 0 | 0 | 0 | 6066214 | 11 % | 16/02/1999 |