DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

VAN DEN BERG MANAGEMENT I, INC's Holding History (CIK: 0001142062)

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

Q3 2014
Shares 169,076 Value ($000) $3,074 Avg Close — Range —
Q2 2014
Shares 172,164 Value ($000) $4,932 Avg Close — Range —
Q1 2014
Shares 168,499 Value ($000) $4,720 Avg Close — Range —
Q4 2013
Shares 122,438 Value ($000) $4,141 Avg Close — Range —
Q3 2013
Shares 119,123 Value ($000) $3,868 Avg Close — Range —
Q2 2013
Shares 120,088 Value ($000) $4,426 Avg Close — Range —