PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020

Shares 49,433 Value ($000) $3,429 Avg Close $51.88 Range $42.58 - $59.87

Q3 2020

Shares 49,593 Value ($000) $2,570 Avg Close $45.92 Range $41.21 - $50.74

Q2 2020

Shares 50,778 Value ($000) $3,015 Avg Close $48.01 Range $36.28 - $60.59

Q1 2020

Shares 50,212 Value ($000) $2,423 Avg Close $53.65 Range $34.90 - $61.90

Q4 2019

Shares 50,212 Value ($000) $3,610 Avg Close $57.82 Range $54.46 - $60.79

Q3 2019

Shares 36,213 Value ($000) $2,558 Avg Close $54.71 Range $50.54 - $58.76

Q2 2019

Shares 35,376 Value ($000) $2,337 Avg Close $55.97 Range $50.28 - $60.20

Q1 2019

Shares 35,286 Value ($000) $2,437 Avg Close $57.37 Range $49.53 - $60.55

Q4 2018

Shares 34,753 Value ($000) $2,165 Avg Close $52.73 Range $45.81 - $57.68

Q3 2018

Shares 34,076 Value ($000) $2,363 Avg Close $57.25 Range $53.45 - $60.59

Q2 2018

Shares 35,822 Value ($000) $2,449 Avg Close $57.72 Range $53.48 - $60.82

Q1 2018

Shares 35,074 Value ($000) $2,547 Avg Close $59.04 Range $54.26 - $62.33

Q4 2017

Shares 34,235 Value ($000) $2,399 Avg Close $52.36 Range $48.50 - $57.45

Q3 2017

Shares 34,490 Value ($000) $2,267 Avg Close $48.81 Range $43.48 - $51.97

Q2 2017

Shares 33,945 Value ($000) $2,181 Avg Close $51.10 Range $47.48 - $55.76

Q1 2017

Shares 32,822 Value ($000) $2,288 Avg Close $56.04 Range $50.62 - $60.04

Q4 2016

Shares 32,430 Value ($000) $2,328 Avg Close $48.03 Range $40.52 - $56.81

Q2 2016

Shares 29,823 Value ($000) $1,521 Avg Close $38.21 Range $32.83 - $41.39

Q1 2016

Shares 28,598 Value ($000) $1,327 Avg Close $31.88 Range $25.29 - $36.03

Q4 2015

Shares 27,572 Value ($000) $1,320 Avg Close $38.52 Range $34.73 - $42.71

Q3 2015

Shares 27,074 Value ($000) $1,330 Avg Close $39.36 Range $32.59 - $44.66

Q2 2015

Shares 24,415 Value ($000) $1,410 Avg Close $40.38 Range $37.74 - $44.16

Q1 2015

Shares 24,257 Value ($000) $1,273 Avg Close $37.50 Range $33.19 - $41.20

Q4 2014

Shares 23,465 Value ($000) $1,299 Avg Close $41.63 Range $38.80 - $44.86

Q3 2014

Shares 23,541 Value ($000) $1,346 Avg Close $43.78 Range $40.91 - $46.57

Q2 2014

Shares 23,292 Value ($000) $1,458 Avg Close $44.09 Range $40.79 - $49.12

Q1 2014

Shares 22,674 Value ($000) $1,500 Avg Close $45.93 Range $43.33 - $49.26

Q4 2013

Shares 22,464 Value ($000) $1,424 Avg Close $45.63 Range $44.19 - $47.30

Q3 2013

Shares 22,310 Value ($000) $1,380 Avg Close $42.75 Range $37.32 - $44.78

Q2 2013

Shares 18,420 Value ($000) $954 Avg Close $34.46 Range $31.76 - $37.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	49,433	$3,429	$51.88	$42.58 - $59.87
Q3 2020	49,593	$2,570	$45.92	$41.21 - $50.74
Q2 2020	50,778	$3,015	$48.01	$36.28 - $60.59
Q1 2020	50,212	$2,423	$53.65	$34.90 - $61.90
Q4 2019	50,212	$3,610	$57.82	$54.46 - $60.79
Q3 2019	36,213	$2,558	$54.71	$50.54 - $58.76
Q2 2019	35,376	$2,337	$55.97	$50.28 - $60.20
Q1 2019	35,286	$2,437	$57.37	$49.53 - $60.55
Q4 2018	34,753	$2,165	$52.73	$45.81 - $57.68
Q3 2018	34,076	$2,363	$57.25	$53.45 - $60.59
Q2 2018	35,822	$2,449	$57.72	$53.48 - $60.82
Q1 2018	35,074	$2,547	$59.04	$54.26 - $62.33
Q4 2017	34,235	$2,399	$52.36	$48.50 - $57.45
Q3 2017	34,490	$2,267	$48.81	$43.48 - $51.97
Q2 2017	33,945	$2,181	$51.10	$47.48 - $55.76
Q1 2017	32,822	$2,288	$56.04	$50.62 - $60.04
Q4 2016	32,430	$2,328	$48.03	$40.52 - $56.81
Q2 2016	29,823	$1,521	$38.21	$32.83 - $41.39
Q1 2016	28,598	$1,327	$31.88	$25.29 - $36.03
Q4 2015	27,572	$1,320	$38.52	$34.73 - $42.71
Q3 2015	27,074	$1,330	$39.36	$32.59 - $44.66
Q2 2015	24,415	$1,410	$40.38	$37.74 - $44.16
Q1 2015	24,257	$1,273	$37.50	$33.19 - $41.20
Q4 2014	23,465	$1,299	$41.63	$38.80 - $44.86
Q3 2014	23,541	$1,346	$43.78	$40.91 - $46.57
Q2 2014	23,292	$1,458	$44.09	$40.79 - $49.12
Q1 2014	22,674	$1,500	$45.93	$43.33 - $49.26
Q4 2013	22,464	$1,424	$45.63	$44.19 - $47.30
Q3 2013	22,310	$1,380	$42.75	$37.32 - $44.78
Q2 2013	18,420	$954	$34.46	$31.76 - $37.71