CORE LABORATORIES N V

CUSIP: N22717107 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2013
Shares 1,600 Value ($000) $306 Avg Close — Range —
Q3 2013
Shares 1,280 Value ($000) $217 Avg Close — Range —
Q2 2013
Shares 1,280 Value ($000) $194 Avg Close — Range —
Q3 2011
Shares 12,830 Value ($000) $1,153 Avg Close — Range —
Q4 2010
Shares 34,520 Value ($000) $3,074 Avg Close — Range —