DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

MORGAN DEMPSEY CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001050463)

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

Q4 2014
Shares 42,521 Value ($000) $520 Avg Close — Range —
Q3 2014
Shares 47,443 Value ($000) $863 Avg Close — Range —
Q2 2014
Shares 46,550 Value ($000) $1,334 Avg Close — Range —
Q1 2014
Shares 44,216 Value ($000) $1,238 Avg Close — Range —
Q4 2013
Shares 33,102 Value ($000) $1,120 Avg Close — Range —
Q3 2013
Shares 31,877 Value ($000) $1,035 Avg Close — Range —
Q2 2013
Shares 31,373 Value ($000) $1,156 Avg Close — Range —