DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q4 2014
Shares 73,370 Value ($000) $897 Avg Close — Range —
Q3 2014
Shares 60,118 Value ($000) $1,093 Avg Close — Range —