UBS AG

CUSIP: H89231338 Class: COM

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

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

Q4 2014
Shares 68,031 Value ($000) $1,125 Avg Close — Range —
Q3 2014
Shares 70,686 Value ($000) $1,228 Avg Close — Range —
Q2 2014
Shares 85,896 Value ($000) $1,574 Avg Close — Range —
Q1 2014
Shares 86,680 Value ($000) $1,796 Avg Close — Range —
Q4 2013
Shares 124,163 Value ($000) $2,390 Avg Close — Range —
Q3 2013
Shares 14,512 Value ($000) $298 Avg Close — Range —
Q2 2013
Shares 29,735 Value ($000) $504 Avg Close — Range —