NAVIGANT CONSULTING INC

CUSIP: 63935N107 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2016
Shares 337,470 Value ($000) $5,335 Avg Close — Range —
Q4 2015
Shares 226,335 Value ($000) $3,635 Avg Close — Range —