DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

GABELLI FUNDS LLC's Holding History (CIK: 0001081407)

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

Q4 2014
Shares 10,000 Value ($000) $122 Avg Close — Range —
Q3 2014
Shares 14,000 Value ($000) $255 Avg Close — Range —
Q2 2014
Shares 13,000 Value ($000) $372 Avg Close — Range —
Q1 2014
Shares 13,000 Value ($000) $364 Avg Close — Range —
Q4 2013
Shares 13,000 Value ($000) $440 Avg Close — Range —
Q3 2013
Shares 13,000 Value ($000) $422 Avg Close — Range —
Q2 2013
Shares 13,000 Value ($000) $479 Avg Close — Range —