NII HLDGS INC

CUSIP: 62913F201 Class: COMMON STOCK

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

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

Q1 2014
Shares 402,435 Value ($000) $479 Avg Close — Range —
Q4 2013
Shares 138,879 Value ($000) $382 Avg Close — Range —
Q3 2013
Shares 160,296 Value ($000) $973 Avg Close — Range —
Q2 2013
Shares 182,332 Value ($000) $1,216 Avg Close — Range —