DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q4 2014
Shares 153,365 Value ($000) $1,872 Avg Close — Range —
Q3 2014
Shares 183,200 Value ($000) $3,334 Avg Close — Range —
Q2 2014
Shares 185,231 Value ($000) $5,304 Avg Close — Range —
Q1 2014
Shares 191,488 Value ($000) $5,362 Avg Close — Range —
Q4 2013
Shares 206,145 Value ($000) $6,973 Avg Close — Range —
Q3 2013
Shares 162,957 Value ($000) $5,287 Avg Close — Range —
Q2 2013
Shares 150,110 Value ($000) $5,532 Avg Close — Range —