CHARAH SOLUTIONS INC

CUSIP: 15957P105 Class: COM ADDED

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2018
Shares 340,083 Value ($000) $2,840,000 Avg Close — Range —
Q3 2018
Shares 392,500 Value ($000) $3,101,000 Avg Close — Range —
Q2 2018
Shares 325,000 Value ($000) $3,556,000 Avg Close — Range —