| 2nd January 2019 | BKH - Black Hills Corp. | 59.449 | Discretionary transaction | 1,563.06 | $61.33 | $3,645.86 | $95,858.57 |
| 6th February 2019 | BKH - Black Hills Corp. | 54.799 | Discretionary transaction | 1,617.859 | $66.53 | $3,645.78 | $107,636.17 |
| 1st March 2019 | BKH - Black Hills Corp. | 51.309 | Discretionary transaction | 1,680.666 | $71.06 | $3,645.85 | $119,422.59 |
| 1st March 2019 | BKH - Black Hills Corp. | 11.498 | Discretionary transaction | 1,629.357 | $71.06 | $817.01 | $115,776.74 |
| 3rd April 2019 | BKH - Black Hills Corp. | 49.999 | Discretionary transaction | 1,730.665 | $72.92 | $3,645.93 | $126,200.10 |
| 1st May 2019 | BKH - Black Hills Corp. | 50.605 | Discretionary transaction | 1,781.27 | $72.04 | $3,645.81 | $128,330.71 |
| 3rd June 2019 | BKH - Black Hills Corp. | 47.734 | Discretionary transaction | 1,840.781 | $76.38 | $3,645.84 | $140,595.73 |
| 3rd June 2019 | BKH - Black Hills Corp. | 11.777 | Discretionary transaction | 1,793.047 | $76.38 | $899.51 | $136,949.89 |
| 3rd June 2019 | FIBK - First Interstate BancSystem, Inc. (Montana) | 1,219 | Grant/award etc. | 7,846 | $37.06 | $45,176.14 | $290,772.76 |
| 13th June 2019 | TMUS - T-Mobile US, Inc. | 2,911 | Grant/award etc. | 27,017 | $0.00 | | |
| 3rd July 2019 | BKH - Black Hills Corp. | 45.655 | Discretionary transaction | 1,886.436 | $79.86 | $3,645.87 | $150,644.94 |
| 7th August 2019 | BKH - Black Hills Corp. | 47.316 | Discretionary transaction | 1,933.752 | $77.05 | $3,645.86 | $149,002.37 |
| 3rd September 2019 | BKH - Black Hills Corp. | 46.982 | Discretionary transaction | 1,993.318 | $77.60 | $3,645.88 | $154,684.67 |
| 3rd September 2019 | BKH - Black Hills Corp. | 12.584 | Discretionary transaction | 1,946.336 | $77.60 | $976.54 | $151,038.80 |
| 2nd October 2019 | BKH - Black Hills Corp. | 48.107 | Discretionary transaction | 2,041.425 | $75.79 | $3,645.84 | $154,713.04 |
| 6th November 2019 | BKH - Black Hills Corp. | 48.974 | Discretionary transaction | 2,090.399 | $74.44 | $3,645.82 | $155,617.63 |
| 2nd December 2019 | BKH - Black Hills Corp. | 14.738 | Discretionary transaction | 2,153.182 | $75.88 | $1,118.37 | $163,391.17 |
| 2nd December 2019 | BKH - Black Hills Corp. | 48.045 | Discretionary transaction | 2,138.444 | $75.88 | $3,645.83 | $162,272.80 |
| 2nd January 2020 | BKH - Black Hills Corp. | 47.568 | Discretionary transaction | 2,200.75 | $76.65 | $3,645.85 | $168,676.67 |
| 2nd March 2020 | BKH - Black Hills Corp. | 15.95 | Discretionary transaction | 2,216.7 | $73.82 | $1,177.40 | $163,632.33 |
| 1st June 2020 | BKH - Black Hills Corp. | 19.365 | Discretionary transaction | 2,236.065 | $61.24 | $1,185.94 | $136,939.73 |
| 4th June 2020 | TMUS - T-Mobile US, Inc. | 2,396 | Grant/award etc. | 29,413 | $0.00 | | |
| 27th July 2020 | TMUS - T-Mobile US, Inc. | 1,205 | Exercise of derivative | 30,618 | $103.00 | $124,115.00 | $3,153,654.00 |
| 1st September 2020 | BKH - Black Hills Corp. | 21.621 | Discretionary transaction | 2,257.685 | $55.33 | $1,196.30 | $124,920.21 |