DIAMOND OFFSHORE DRILLING IN

CUSIP: 25271C102 Class: COM

ALTA CAPITAL MANAGEMENT LLC/'s Holding History (CIK: 0001093589)

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

Q2 2015
Shares 8,696 Value ($000) $224 Avg Close — Range —
Q1 2015
Shares 9,031 Value ($000) $241 Avg Close — Range —
Q4 2014
Shares 9,156 Value ($000) $336 Avg Close — Range —
Q3 2014
Shares 10,939 Value ($000) $374 Avg Close — Range —
Q2 2014
Shares 11,035 Value ($000) $547 Avg Close — Range —
Q1 2014
Shares 11,931 Value ($000) $581 Avg Close — Range —
Q4 2013
Shares 230,639 Value ($000) $13,128 Avg Close — Range —
Q3 2013
Shares 235,655 Value ($000) $14,686 Avg Close — Range —
Q2 2013
Shares 251,706 Value ($000) $17,314 Avg Close — Range —