ITEM 8.01. OTHER EVENTS.

Change in Reportable Segments.

Western Alliance Bancorporation (together with its consolidated subsidiaries,
referred to herein as "WAL", or "the Company") has made certain changes to its
reportable segments effective October 1, 2020. This change is consistent with
how WAL's senior executive officers now evaluate operating performance, allocate
resources, implement suitable risk oversight practices, and assess
appropriateness of products and services offered to our clients.

Prior to the fourth quarter of 2020, the Company had the following reportable
segments:
?Four regional banking segments: Arizona, Nevada, Southern California, and
Northern California
?Five National Business Lines ("NBL") segments: Homeowner Associations ("HOA")
Services, Hotel Franchise Finance ("HFF"), Public & Nonprofit Finance,
Technology & Innovation, and Other NBLs
?Corporate & Other

Beginning with the fourth quarter of 2020, the Company will provide financial
results for the following three reportable segments:
?Commercial
?Consumer Related
?Corporate & Other


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The primary changes made were as follows:


                     [[Image Removed: wal-20210119_g1.jpg]]
The Commercial segment provides commercial banking and treasury management
products and services to small and middle-market businesses, specialized banking
services to sophisticated commercial institutions and investors within niche
industries, as well as financial services to the real estate industry.

The Consumer Related segment provides commercial banking services to enterprises in consumer-related sectors as well as consumer banking activities, such as residential mortgage banking.

The Corporate & Other segment consists of the Company's investment portfolio, Corporate borrowings and other related items, income and expense items not allocated to our other reportable segments, and inter-segment eliminations.



These changes in reportable segments are effective beginning October 1, 2020 and
have no impact on the Company's historical consolidated financial position and
results of operations. Prior period segment results have been restated to
conform to the new reportable segments.

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ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS. Prior period results are presented on a comparable basis in the following tables:

Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited

Balance Sheets:

                                                                  Consumer            Corporate &           Consolidated
                                             Commercial            Related               Other                Company
                                                                            (in millions)
At September 30, 2020:

Loans, net of deferred loan fees and
costs                                       $ 19,590.3          $  6,419.6          $        4.1          $    26,014.0
Allowance for credit losses                     (296.4)              (14.1)                    -                 (310.5)

Deposits                                      19,888.6             8,035.6                 919.2               28,843.4



At June 30, 2020:

Loans, net of deferred loan fees and
costs                                       $ 19,329.4          $ 5,699.6          $      0.4          $ 25,029.4
Allowance for credit losses                     (292.8)             (17.6)               (0.1)             (310.5)

Deposits                                      19,220.8            6,962.4             1,361.4            27,544.6



At March 31, 2020:

Loans, net of deferred loan fees and costs $ 18,108.1 $ 5,054.5

   $  3.6      $ 23,166.2
Allowance for credit losses                         (208.7)         (26.6)          -          (235.3)

Deposits                                          17,546.1        6,510.1       774.5        24,830.7



At December 31, 2019:

Loans, net of deferred loan fees and
costs                                       $ 16,767.3          $ 4,352.5          $      3.5          $ 21,123.3
Allowance for credit losses                     (134.2)             (33.6)                  -              (167.8)

Deposits                                      17,067.6            4,644.7             1,084.2            22,796.5



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Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited

Income Statements:

Quarterly Results

                                                                      Consumer           Corporate &           Consolidated
                                                Commercial            Related               Other                 Company
                                                                               (in millions)
Three Months Ended September 30, 2020:
Net interest income                           $     245.5          $      80.7          $     (41.5)         $        284.7
Provision for (recovery of) credit
losses                                               20.1                 (3.7)                (1.8)                   14.6
Net interest income after provision for
credit losses                                       225.4                 84.4                (39.7)                  270.1
Non-interest income                                  13.4                  0.5                  6.7                    20.6
Non-interest expense                                 77.3                 21.1                 25.7                   124.1
Income (loss) before income taxes                   161.5                 63.8                (58.7)                  166.6
Income tax expense (benefit)                         39.0                 15.1                (23.3)                   30.8
Net income                                    $     122.5          $      48.7          $     (35.4)         $        135.8



Three Months Ended June 30, 2020:
Net interest income                           $   254.9          $    72.4          $   (28.9)         $    298.4
Provision for (recovery of) credit
losses                                             97.9              (10.5)               4.6                92.0
Net interest income after provision for
credit losses                                     157.0               82.9              (33.5)              206.4
Non-interest income                                 9.6                0.4               11.3                21.3
Non-interest expense                               71.2               21.2               22.4               114.8
Income (loss) before income taxes                  95.4               62.1              (44.6)              112.9
Income tax expense (benefit)                       22.9               14.7              (18.0)               19.6
Net income                                    $    72.5          $    47.4          $   (26.6)         $     93.3



Three Months Ended March 31, 2020:
Net interest income                           $   228.5          $    55.7          $   (15.2)         $    269.0
Provision for (recovery of) credit
losses                                             47.9                3.0                0.3                51.2
Net interest income after provision for
credit losses                                     180.6               52.7              (15.5)              217.8
Non-interest income                                11.4                0.4               (6.7)                5.1
Non-interest expense                               82.4               25.8               12.3               120.5
Income (loss) before income taxes                 109.6               27.3              (34.5)              102.4
Income tax expense (benefit)                       26.0                6.4              (13.9)               18.5
Net income                                    $    83.6          $    20.9          $   (20.6)         $     83.9



Three Months Ended December 31, 2019:
Net interest income                           $   225.8          $    57.1          $   (10.9)         $    272.0
Provision for (recovery of) credit
losses                                              3.4                0.6                  -                 4.0
Net interest income after provision for
credit losses                                     222.4               56.5              (10.9)              268.0
Non-interest income                                14.0                0.3                1.7                16.0
Non-interest expense                               85.1               25.7               18.9               129.7
Income (loss) before income taxes                 151.3               31.1              (28.1)              154.3
Income tax expense (benefit)                       36.7                7.2              (17.7)               26.2
Net income                                    $   114.6          $    23.9          $   (10.4)         $    128.1

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Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited

Year-to-Date Results

                                                                      Consumer           Corporate &           Consolidated
                                                Commercial            Related               Other                 Company
                                                                               (in millions)
Nine Months Ended September 30, 2020:
Net interest income                           $     728.9          $     

208.8 $ (85.6) $ 852.1 Provision for (recovery of) credit losses

                                              165.9                (11.2)                 3.1                   157.8
Net interest income after provision for
credit losses                                       563.0                220.0                (88.7)                  694.3
Non-interest income                                  34.4                  1.3                 11.3                    47.0
Non-interest expense                                230.9                 68.1                 60.4                   359.4
Income (loss) before income taxes                   366.5                153.2               (137.8)                  381.9
Income tax expense (benefit)                         87.9                 36.2                (55.2)                   68.9
Net income                                    $     278.6          $     117.0          $     (82.6)         $        313.0



Year Ended December 31, 2019:
Net interest income                           $   837.2          $   209.0          $    (5.8)         $  1,040.4
Provision for (recovery of) credit
losses                                             11.1                7.4                0.8                19.3
Net interest income after provision for
credit losses                                     826.1              201.6               (6.6)            1,021.1
Non-interest income                                50.4                1.4               13.3                65.1
Non-interest expense                              320.6               96.7               64.7               482.0
Income (loss) before income taxes                 555.9              106.3              (58.0)              604.2
Income tax expense (benefit)                      134.7               24.8              (54.5)              105.0
Net income                                    $   421.2          $    81.5          $    (3.5)         $    499.2

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