XYRATEX LTD

CUSIP: G98268108 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2014
Shares 1,395 Value ($000) $18 Avg Close — Range —
Q3 2013
Shares 3,655 Value ($000) $41 Avg Close — Range —