ADVANCED EMISSIONS SOLUTIONS I

CUSIP: 00770c101 Class: COM

Summit Creek Advisors LLC's Holding History (CIK: 0001333709)

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

Q4 2014
Shares 312,603 Value ($000) $7,124 Avg Close — Range —
Q3 2014
Shares 448,810 Value ($000) $9,546 Avg Close — Range —
Q2 2014
Shares 517,200 Value ($000) $11,859 Avg Close — Range —
Q1 2014
Shares 481,840 Value ($000) $11,824 Avg Close — Range —