NORTHFIELD BANCORP INC DEL

Ticker: NFBK CUSIP: 66611T108 Class: Common Stock

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

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

Q3 2019

Shares 49 Value ($000) $1 Avg Close $11.99 Range $11.20 - $12.51

Q2 2017

Shares 1,905 Value ($000) $33 Avg Close $12.60 Range $11.87 - $13.74

Q1 2017

Shares 1,700 Value ($000) $31 Avg Close $13.25 Range $12.48 - $14.60

Q3 2013

Shares 7,751 Value ($000) $94 Avg Close $8.10 Range $7.68 - $8.42

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	49	$1	$11.99	$11.20 - $12.51
Q2 2017	1,905	$33	$12.60	$11.87 - $13.74
Q1 2017	1,700	$31	$13.25	$12.48 - $14.60
Q3 2013	7,751	$94	$8.10	$7.68 - $8.42