Investor Presentaiton

1 Seasoned Leadership Team Management averages 25+ years of industry experience Kenneth A. Vecchione President & Chief Executive Officer 12 total years at WAL 35+ years experience, including senior positions in financial services Appointed CEO in April 2018 Has served on Western Alliance Board of Directors since 2007 and was WAL'S COO from 2010 - 2013 Previously, served in senior leadership positions at MBNA Corp., Apollo Global Management, and Citi card services • Dale M. Gibbons Vice Chairman, Chief Financial Officer 16 years at WAL 30+ years in commercial banking Ranked #1 Best CFO overall, among Mid-cap and Small-cap banks, by Institutional Investor magazine (2017 & 2018) CFO and Secretary of the Board at Zions Bancorporation (1996 - 2001) . Tim R. Bruckner Chief Credit Officer 3 years at WAL 15+ years in senior credit administration Previously, served as Managing Director of Arizona Commercial Banking at BMO Harris Bank and as a Senior Vice President in a variety of divisions including Manager of the Special Assets Division, President of M&I Business Credit and President of M&I Equipment Finance WA . Timothy W. Boothe Chief Operating Officer 4 years at WAL 20+ years in commercial banking • Previously, served as President of Bridge Bank, a division of Western Alliance Bank, from July 2015 through October 2019 Also served as Chief Operating Officer of Bridge Bank from 2006 until its acquisition by WAL in July 2015 LO 5

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