AFFYMETRIX INC

CUSIP: 00826T108 Class: COM

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

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

Q4 2014
Shares 459 Value ($000) $5 Avg Close — Range —
Q3 2014
Shares 194,544 Value ($000) $1,552 Avg Close — Range —
Q2 2014
Shares 221,843 Value ($000) $1,977 Avg Close — Range —
Q1 2014
Shares 48,296 Value ($000) $344 Avg Close — Range —
Q2 2013
Shares 5,906 Value ($000) $26 Avg Close — Range —