ECO STIM ENERGY SOLUTIONS IN

CUSIP: 27888D101 Class: COM

ROBOTTI ROBERT's Holding History (CIK: 0001105838)

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

Q4 2018
Shares 25,000 Value ($000) $2 Avg Close — Range —
Q3 2018
Shares 25,000 Value ($000) $7 Avg Close — Range —