DIAMOND OFFSHORE DRILLING IN

CUSIP: 25271C102 Class: COM

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2013
Shares 3,703 Value ($000) $211 Avg Close — Range —
Q3 2013
Shares 4,982 Value ($000) $311 Avg Close — Range —
Q2 2013
Shares 4,897 Value ($000) $337 Avg Close — Range —