| Filed On | Filing |
|---|---|
| 05 May 2022 | S-8 |
| 05 May 2017 | BHC SOURCEGAS 401K PLANS 050417 |
| 29 Apr 2015 | 2015 OMNIBUS INCENTIVE PLAN |
| 08 Nov 2010 | FORM S-8 BHC NQDC PLAN 110810 |
| 08 Nov 2010 | FORM S-8 BHC RETIREMENT PLAN 110810 |
| 08 Nov 2010 | BHC FORM S-8 2005 OMNIBUS PLAN 110810 |
| 15 May 2009 | FORM S-8 REGISTRATION STATEMENT - BHUH RETIREMENT SAVINGS PLAN |
| 29 Jun 2006 | S-8 |
| 10 Jun 2005 | FORM S-8 REGISTRATION STATEMENT DATED 6-10-05 |
| 18 Jun 2001 | BLACK HILLS CORPORATION FORM S-8 |
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