DAWSON GEOPHYSICAL CO

CUSIP: 239359102 Class: CMN

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q4 2014
Shares 23,837 Value ($000) $292 Avg Close — Range —
Q3 2014
Shares 24,423 Value ($000) $444 Avg Close — Range —
Q2 2014
Shares 24,451 Value ($000) $701 Avg Close — Range —
Q1 2014
Shares 24,919 Value ($000) $698 Avg Close — Range —
Q4 2013
Shares 31,369 Value ($000) $1,061 Avg Close — Range —
Q3 2013
Shares 31,527 Value ($000) $1,024 Avg Close — Range —
Q2 2013
Shares 24,879 Value ($000) $917 Avg Close — Range —