PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

CYPRESS ASSET MANAGEMENT INC/TX's Holding History (CIK: 0001030618)

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

Q4 2017
Shares 3,750 Value ($000) $263 Avg Close $52.36 Range $48.50 - $57.45
Q3 2017
Shares 3,950 Value ($000) $260 Avg Close $48.81 Range $43.48 - $51.97
Q2 2017
Shares 5,950 Value ($000) $382 Avg Close $51.10 Range $47.48 - $55.76
Q1 2017
Shares 5,950 Value ($000) $415 Avg Close $56.04 Range $50.62 - $60.04
Q4 2016
Shares 5,950 Value ($000) $427 Avg Close $48.03 Range $40.52 - $56.81
Q3 2016
Shares 5,950 Value ($000) $327 Avg Close $40.49 Range $35.05 - $42.93
Q2 2016
Shares 5,950 Value ($000) $303 Avg Close $38.21 Range $32.83 - $41.39
Q1 2016
Shares 6,900 Value ($000) $320 Avg Close $31.88 Range $25.29 - $36.03
Q4 2015
Shares 7,065 Value ($000) $338 Avg Close $38.52 Range $34.73 - $42.71
Q3 2015
Shares 8,565 Value ($000) $421 Avg Close $39.36 Range $32.59 - $44.66
Q2 2015
Shares 8,565 Value ($000) $495 Avg Close $40.38 Range $37.74 - $44.16
Q1 2015
Shares 8,565 Value ($000) $449 Avg Close $37.50 Range $33.19 - $41.20
Q4 2014
Shares 8,565 Value ($000) $474 Avg Close $41.63 Range $38.80 - $44.86
Q3 2014
Shares 8,565 Value ($000) $490 Avg Close $43.78 Range $40.91 - $46.57
Q2 2014
Shares 8,565 Value ($000) $536 Avg Close $44.09 Range $40.79 - $49.12
Q1 2014
Shares 9,155 Value ($000) $606 Avg Close $45.93 Range $43.33 - $49.26
Q4 2013
Shares 10,132 Value ($000) $642 Avg Close $45.63 Range $44.19 - $47.30
Q3 2013
Shares 10,132 Value ($000) $627 Avg Close $42.75 Range $37.32 - $44.78
Q2 2013
Shares 10,132 Value ($000) $525 Avg Close $34.46 Range $31.76 - $37.71