AMERICAN CAPITAL AGENCY CORP

CUSIP: 02503X105 Class: COM

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

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

Q3 2016
Shares 20,911 Value ($000) $409 Avg Close — Range —
Q2 2016
Shares 18,884 Value ($000) $374 Avg Close — Range —
Q1 2016
Shares 17,422 Value ($000) $325 Avg Close — Range —
Q4 2015
Shares 54,426 Value ($000) $944 Avg Close — Range —
Q3 2015
Shares 28,323 Value ($000) $530 Avg Close — Range —
Q1 2015
Shares 22,323 Value ($000) $476 Avg Close — Range —
Q4 2014
Shares 121,543 Value ($000) $2,653 Avg Close — Range —
Q3 2014
Shares 300,560 Value ($000) $6,387 Avg Close — Range —
Q2 2014
Shares 143,201 Value ($000) $3,352 Avg Close — Range —
Q1 2014
Shares 345,980 Value ($000) $7,435 Avg Close — Range —
Q4 2013
Shares 366,013 Value ($000) $7,060 Avg Close — Range —
Q3 2013
Shares 268,074 Value ($000) $6,050 Avg Close — Range —
Q2 2013
Shares 384,929 Value ($000) $8,850 Avg Close — Range —