DIAMOND OFFSHORE DRILLING IN

CUSIP: 25271C102 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q3 2014
Shares 8,300 Value ($000) $284 Avg Close — Range —
Q2 2014
Shares 8,300 Value ($000) $412 Avg Close — Range —
Q1 2014
Shares 8,300 Value ($000) $405 Avg Close — Range —
Q4 2013
Shares 8,300 Value ($000) $472 Avg Close — Range —
Q3 2013
Shares 11,300 Value ($000) $704 Avg Close — Range —
Q2 2013
Shares 11,300 Value ($000) $777 Avg Close — Range —