BLACK HILLS CORP

CUSIP: 092113125 Class: UNIT 99/99/9999

CSS LLC/IL's Holding History (CIK: 0001103646)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 11,398 Value ($000) $757 Avg Close — Range —
Q1 2018
Shares 378,625 Value ($000) $22,700 Avg Close — Range —
Q4 2017
Shares 330,591 Value ($000) $21,872 Avg Close — Range —
Q3 2017
Shares 402,329 Value ($000) $30,208 Avg Close — Range —
Q2 2017
Shares 302,484 Value ($000) $22,335 Avg Close — Range —
Q1 2017
Shares 480,437 Value ($000) $35,188 Avg Close — Range —
Q4 2016
Shares 278,281 Value ($000) $19,034 Avg Close — Range —
Q3 2016
Shares 113,312 Value ($000) $7,798 Avg Close — Range —
Q2 2016
Shares 314,080 Value ($000) $22,166 Avg Close — Range —
Q1 2016
Shares 211,890 Value ($000) $14,382 Avg Close — Range —