PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

TRUST CO OF OKLAHOMA's Holding History (CIK: 0001083323)

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

Q4 2014

Shares 5,924 Value ($000) $327,953 Avg Close $41.63 Range $38.80 - $44.86

Q3 2014

Shares 5,924 Value ($000) $338,675 Avg Close $43.78 Range $40.91 - $46.57

Q2 2014

Shares 5,924 Value ($000) $370,842 Avg Close $44.09 Range $40.79 - $49.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	5,924	$327,953	$41.63	$38.80 - $44.86
Q3 2014	5,924	$338,675	$43.78	$40.91 - $46.57
Q2 2014	5,924	$370,842	$44.09	$40.79 - $49.12