MARIN SOFTWARE INC

CUSIP: 56804T106 Class: COM

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

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

Q1 2017
Shares 2 Value ($000) $0 Avg Close — Range —
Q4 2016
Shares 2 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 4,702 Value ($000) $12 Avg Close — Range —
Q2 2016
Shares 5,802 Value ($000) $14 Avg Close — Range —
Q1 2016
Shares 5,802 Value ($000) $18 Avg Close — Range —
Q4 2015
Shares 5,802 Value ($000) $21 Avg Close — Range —
Q3 2015
Shares 4,067 Value ($000) $13 Avg Close — Range —
Q2 2015
Shares 759 Value ($000) $5 Avg Close — Range —
Q2 2014
Shares 875 Value ($000) $10 Avg Close — Range —
Q4 2013
Shares 4,491 Value ($000) $46 Avg Close — Range —
Q3 2013
Shares 1,521 Value ($000) $19 Avg Close — Range —