ADVANCED EMISSIONS SOLUTIONS I

CUSIP: 00770c101 Class: COM

Ativo Capital Management LLC's Holding History (CIK: 0001423065)

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

Q3 2018
Shares 120,031 Value ($000) $1,436 Avg Close — Range —
Q2 2018
Shares 120,037 Value ($000) $1,364 Avg Close — Range —
Q1 2018
Shares 120,032 Value ($000) $1,371 Avg Close — Range —