PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

WRIGHT INVESTORS SERVICE INC's Holding History (CIK: 0000108572)

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

Q1 2018

Shares 6,794 Value ($000) $493 Avg Close $59.04 Range $54.26 - $62.33

Q4 2017

Shares 7,031 Value ($000) $493 Avg Close $52.36 Range $48.50 - $57.45

Q3 2017

Shares 5,275 Value ($000) $347 Avg Close $48.81 Range $43.48 - $51.97

Q2 2017

Shares 4,395 Value ($000) $282 Avg Close $51.10 Range $47.48 - $55.76

Q1 2017

Shares 4,830 Value ($000) $337 Avg Close $56.04 Range $50.62 - $60.04

Q4 2016

Shares 5,730 Value ($000) $411 Avg Close $48.03 Range $40.52 - $56.81

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	6,794	$493	$59.04	$54.26 - $62.33
Q4 2017	7,031	$493	$52.36	$48.50 - $57.45
Q3 2017	5,275	$347	$48.81	$43.48 - $51.97
Q2 2017	4,395	$282	$51.10	$47.48 - $55.76
Q1 2017	4,830	$337	$56.04	$50.62 - $60.04
Q4 2016	5,730	$411	$48.03	$40.52 - $56.81