DRIL-QUIP INC

CUSIP: 262037104 Class: COM

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

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

Q1 2016
Shares 3,500 Value ($000) $212 Avg Close — Range —
Q3 2015
Shares 3,500 Value ($000) $204 Avg Close — Range —
Q2 2015
Shares 3,500 Value ($000) $263 Avg Close — Range —
Q1 2015
Shares 18,500 Value ($000) $1,265 Avg Close — Range —
Q4 2014
Shares 18,500 Value ($000) $1,420 Avg Close — Range —
Q4 2013
Shares 15,106 Value ($000) $1,661 Avg Close — Range —
Q3 2013
Shares 15,156 Value ($000) $1,739 Avg Close — Range —
Q2 2013
Shares 15,178 Value ($000) $1,370 Avg Close — Range —
Q1 2013
Shares 16,038 Value ($000) $1,398 Avg Close — Range —
Q4 2012
Shares 13,700 Value ($000) $1,001 Avg Close — Range —
Q3 2012
Shares 13,700 Value ($000) $985 Avg Close — Range —
Q2 2012
Shares 13,700 Value ($000) $899 Avg Close — Range —
Q1 2012
Shares 14,000 Value ($000) $910 Avg Close — Range —
Q4 2011
Shares 14,000 Value ($000) $921 Avg Close — Range —
Q3 2011
Shares 14,000 Value ($000) $755 Avg Close — Range —
Q2 2011
Shares 16,000 Value ($000) $1,085 Avg Close — Range —
Q1 2011
Shares 16,000 Value ($000) $1,264 Avg Close — Range —
Q4 2010
Shares 15,500 Value ($000) $1,205 Avg Close — Range —
Q1 2010
Shares 500 Value ($000) $30 Avg Close — Range —
Q4 2009
Shares 23,500 Value ($000) $1,327 Avg Close — Range —
Q3 2009
Shares 23,500 Value ($000) $1,167 Avg Close — Range —
Q2 2009
Shares 23,500 Value ($000) $895 Avg Close — Range —
Q1 2009
Shares 23,500 Value ($000) $721 Avg Close — Range —