DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

Sterling Capital Management LLC's Holding History (CIK: 0001329883)

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

Q2 2014
Shares 7,043 Value ($000) $202 Avg Close — Range —
Q4 2013
Shares 11,599 Value ($000) $392 Avg Close — Range —
Q3 2013
Shares 10,692 Value ($000) $347 Avg Close — Range —
Q2 2013
Shares 9,656 Value ($000) $356 Avg Close — Range —