DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

Brandywine Global Investment Management, LLC's Holding History (CIK: 0000829108)

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

Q4 2013
Shares 6,800 Value ($000) $230 Avg Close — Range —
Q3 2013
Shares 9,100 Value ($000) $296 Avg Close — Range —
Q2 2013
Shares 9,100 Value ($000) $336 Avg Close — Range —