Western Alliance Bancorporation (WAL) is a bank holding company. The Company provides a range of deposit, lending, treasury management, and online banking products and services through its wholly owned banking subsidiary, Western Alliance Bank (WAB or the Bank). The Company operates in segments: Arizona, Nevada, California, Central Business Line (CBL), and Corporate & Other. The Arizona, Nevada, and California segments provide full service banking and related services to their respective markets. Its CBLs are managed centrally and are within the Company's core market areas. Corporate & Other primarily relates to its Treasury division and also includes other corporate-related items, income and expense items not allocated to other segments, and inter-segment eliminations. In addition to traditional commercial banking activities, it offers other financial services to its customers, including internet banking, wire transfers and electronic bill payment, among others.