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NEWS RELEASE FOR IMMEDIATE RELEASE February 16 , 2021 WA - INVESTORS : Dale Gibbons Chief Financial Officer ( 602 ) 952-5476 Western Alliance Bancorporation MEDIA : Robyn Young Chief Marketing Officer ryoung@westernalliancebank.com Brian Schaffer Prosek Partners bschaffer@prosek.com Western Alliance to Acquire AmeriHome , a Leading National B2B Mortgage Acquirer & Servicer Extends WAL's National Commercial Bank Strategy with correspondent mortgage platform that enhances growth , returns and diversification Financially compelling ; produces over 30 % EPS and 500 bps ROATCE accretion in 2022E Robust capital generation profile ; TBVPS earnback in less than one year Diversifies revenue profile ; markedly increases fee revenue to total revenue mix Deploys excess liquidity into higher yielding , low credit risk assets Augments stable funding ; increases access to growing , low - cost , low - beta core deposits Facilitates complementary , balanced business mix ; positions WAL for continued growth and consistent returns across cycles Strong cultural fit and continuity of highly experienced leadership team minimizes operational and execution risk PHOENIX -- Western Alliance Bancorporation ( " Western Alliance " ) ( NYSE : WAL ) today announced the execution of a definitive agreement to acquire Aris Mortgage Holding Company , LLC , the parent company of AmeriHome Mortgage Company , LLC ( " AmeriHome " ) for an estimated purchase price of $ 1.0 billion in cash , subject to adjustments at closing . AmeriHome brings a B2B approach to the mortgage ecosystem through its relationships with over 700 independent correspondent mortgage originator clients , including independent mortgage bankers , community and regional banks , and credit unions of all sizes . Based in Thousand Oaks , CA , AmeriHome is the nation's third largest correspondent mortgage acquirer , purchasing approximately $ 65 billion in conventional conforming and government insured originations during 2020 from its network of independent mortgage originators and managing a $ 99 billion mortgage servicing portfolio , as of December 31 , 2020 . For Western Alliance , the addition of AmeriHome extends its national commercial businesses with a complementary , low - risk national mortgage franchise . AmeriHome's combination of business model , diversified and complementary channels , and sophisticated portfolio management strategies has successfully generated consistent and profitable returns throughout rate environments and economic cycles . The transaction also markedly increases the contribution from non - interest income sources .