Investor Presentaiton

19 Total Return Performance IPO (November 12, 1998) to December 31, 2019 1,800 1,600 1,400 1,200 1,000 800 600 400 200 $100,000 invested in Prosperity's IPO on 11/12/98 was worth $1,668,894 on 12/31/2019 0 11/12/98 11/12/00 11/12/02 11/12/04 11/12/06 11/12/08 11/12/10 11/12/12 11/12/14 11/12/16 11/12/18 PB (+1,568.9%) S&P 500 (+332.4%) NASDAQ BANK (+121.2%) Source: S&P Global. Market data as of 12/31/2019. PB LISTED NYSE

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