DRIL-QUIP INC

CUSIP: 262037104 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2013
Shares 37,000 Value ($000) $4,246 Avg Close — Range —
Q2 2013
Shares 41,500 Value ($000) $3,747 Avg Close — Range —