AIR TRANSPORT SERVICES GRP I

CUSIP: 00922R105 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q4 2017
Shares 226,987 Value ($000) $5,252 Avg Close — Range —
Q3 2017
Shares 249,507 Value ($000) $6,073 Avg Close — Range —
Q2 2017
Shares 36,633 Value ($000) $797 Avg Close — Range —