ECO STIM ENERGY SOLUTIONS IN

CUSIP: 27888D101 Class: COM

CIBC Private Wealth Group, LLC's Holding History (CIK: 0001298088)

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

Q4 2018
Shares 18,000 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 94,000 Value ($000) $26 Avg Close — Range —
Q2 2018
Shares 110,667 Value ($000) $72 Avg Close — Range —
Q1 2018
Shares 110,667 Value ($000) $105 Avg Close — Range —
Q4 2017
Shares 110,667 Value ($000) $139 Avg Close — Range —
Q3 2017
Shares 112,667 Value ($000) $174 Avg Close — Range —