WESTERN ALLIANCE BANCORPORATION Contracts & Agreements

Western Alliance 2005 Stock Incentive Plan, effective April 7, 2023 (Filed With SEC on June 14, 2023)

Form of Amendment to Executive Restricted Stock Agreement pursuant to the Company's 2005 Stock Incentive Plan (Filed With SEC on November 1, 2022)

Letter Agreement, dated as of April 6, 2022, between Western Alliance Bancorporation and Kenneth A. Vecchione (Filed With SEC on April 7, 2022)

Amendment No. 2 to the Distribution Agreement, dated February 28, 2022, by and between Western Alliance Bancorporation, J.P. Morgan Securities LLC and Piper Sandler & Co (Filed With SEC on February 28, 2022)

Description of Securities of the Registrant (Filed With SEC on February 25, 2022)

Note Issuance and Administration Agreement, dated December 29, 2021 (Filed With SEC on January 3, 2022)

Amendment to the Distribution Agreement, dated November 18, 2021, by and between Western Alliance Bancorporation, J.P. Morgan Securities LLC and Piper Sandler & Co (Filed With SEC on November 19, 2021)

Deposit Agreement, dated September 22, 2021, by and among Western Alliance Bancorporation, Computershare Inc. and Computershare Trust Company, N.A., and the holders from time to... (Filed With SEC on September 22, 2021)

Underwriting Agreement, dated September 15, 2021, by and among Western Alliance Bancorporation and Morgan Stanley & Co. LLC, BofA Securities, Inc., J.P. Morgan Securities LLC and... (Filed With SEC on September 16, 2021)

Severance and Change in Control Plan, as amended and restated effective as of July 28, 2021 (Filed With SEC on July 30, 2021)

Form of Executive Participation Agreement under the Severance and Change in Control Plan (CEO) (Filed With SEC on July 30, 2021)

Form of Executive Participation Agreement under the Severance and Change in Control Plan (non-CEO) (Filed With SEC on July 30, 2021)

Note Purchase Agreement, dated as of June 28, 2021 (Filed With SEC on July 1, 2021)

Underwriting Agreement, dated June 3, 2021, by and among the Company and the Representatives named therein (Filed With SEC on June 7, 2021)

Subordinated Debt Indenture, dated as of June 7, 2021, by and between the Company and U.S. Bank National Association, as trustee (Filed With SEC on June 7, 2021)

First Supplemental Indenture to the Subordinated Indenture for the 3.00% Fixed to Floating Rate Subordinated Notes due 2031, dated June 7, 2021, by and between the Company and... (Filed With SEC on June 7, 2021)

Distribution Agreement, dated June 3, 2021, by and between Western Alliance Bancorporation and J.P. Morgan Securities LLC (Filed With SEC on June 3, 2021)

Form of Securities Purchase Agreement dated February 28, 2021 (Filed With SEC on March 4, 2021)

2005 Incentive Plan (as amended and restated effective April 15, 2020) (Filed With SEC on June 1, 2020)

Form of Note (Filed With SEC on May 22, 2020)

Description of Securities of the Registrant, effective as of December 31, 2019 (Filed With SEC on March 2, 2020)

Western Alliance Severance and Change in Control Plan (Filed With SEC on March 2, 2020)

Separation and Release of Claims Agreement, dated November 2, 2019, by and between James Haught and Western Alliance (Filed With SEC on March 2, 2020)

Form of participation agreement under the Company's Change in Control Severance Plan (Filed With SEC on March 2, 2020)

Form of Performance-Based Stock Unit Agreement pursuant to the Company's 2005 Stock Incentive Plan (Filed With SEC on March 2, 2020)

Form of Executive Restricted Stock Agreement pursuant to the Company's 2005 Stock Incentive Plan (Filed With SEC on March 2, 2020)

Employment Letter Agreement, dated February 1, 2018, by and between Barbara J. Kennedy and Western Alliance (Filed With SEC on April 30, 2019)

Employment Letter Agreement, dated February 17, 2017, by and between James C. Haught and Western Alliance Bancorporation (Filed With SEC on December 15, 2017)

One East Washington Street, Suite 1400 Phoenix, AZ 85004 Phone: 602 ###-###-#### Fax: 602 ###-###-#### (Filed With SEC on May 5, 2017)

WAL Performance Earnings Per Share ResultsPerformance Measure Weight Paid (%)Less than < $2.75No Bonus paidBetween $2.75 to $2.9075% to 100%Between $2.90 to $3.05100% to 150% (Filed With SEC on February 28, 2017)

WESTERN ALLIANCE BANCORPORATION $175,000,000 6.25% SUBORDINATED DEBENTURES DUE 2056 UNDERWRITING AGREEMENT (Filed With SEC on June 16, 2016)

WESTERN ALLIANCE BANCORPORATION, (Filed With SEC on June 16, 2016)

WESTERN ALLIANCE BANCORPORATION TO THE BANK OF NEW YORK MELLONTRUST COMPANY, N.A., Trustee FIRST SUPPLEMENTAL INDENTURE TO SUBORDINATED DEBT INDENTURE DATED AS OF JUNE 16, 2016... (Filed With SEC on June 16, 2016)

WAL Performance Earnings Per Share ResultsPerformance Measure Weight Paid (%)Less than < $2.20No Bonus paidBetween $2.20 to $2.3075% to 100%Between $2.30 to $2.50100% to 150% (Filed With SEC on May 2, 2016)

Western Alliance Bancorporation (Filed With SEC on February 16, 2016)

AMENDMENT NO. 1 TO AMENDED AND RESTATED DISTRIBUTION AGENCY AGREEMENT (Filed With SEC on February 16, 2016)

[FORM OF NOTE] WESTERNALLIANCE BANK 5.00% FIXED TO FLOATING RATE SUBORDINATED BANK NOTE DUE JULY 15, 2025 (Filed With SEC on July 2, 2015)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on April 21, 2015)

PROTECTION AGREEMENT (Filed With SEC on April 21, 2015)

AGREEMENT AND PLAN OF MERGER BY AND BETWEEN WESTERNALLIANCE BANCORPORATION AND BRIDGE CAPITAL HOLDINGS DATED AS OF MARCH 9,2015 TABLE OF CONTENTS (Filed With SEC on March 13, 2015)

$97,168,693.51 WESTERN ALLIANCE BANCORPORATION Common Stock $0.0001 Par Value AMENDED AND RESTATED DISTRIBUTION AGENCY AGREEMENT (Filed With SEC on October 30, 2014)

$100,000,000 WESTERNALLIANCE BANCORPORATION Common Stock $0.0001 Par Value DISTRIBUTION AGENCY AGREEMENT (Filed With SEC on June 5, 2014)

PLAN OF CONVERSION (Filed With SEC on June 3, 2014)

CHART FOR EARNINGS PER SHARE RESULTS IS 50% OF TARGETWAL Performance Earnings Per Share ResultsPercent of Target Paid (EPS) Less than < 1.26No Bonus paidBetween 1.26 to 1.3875% to... (Filed With SEC on February 21, 2014)

CHART FOR EARNINGS PER SHARE RESULTS IS 50% OF TARGET (Filed With SEC on March 1, 2013)

AGREEMENT AND PLAN OF MERGER among WESTERN ALLIANCE BANK, ORANGE COUNTY BANCORP, CENTENNIAL BANK, AND LANDAMERICA FINANCIAL GROUP, INC. (In Dissolution) Dated as ofJanuary 18,... (Filed With SEC on January 22, 2013)

WESTERN ALLIANCE BANCORPORATION CHANGE IN CONTROL SEVERANCE PLAN (And Summary Plan Description) (Filed With SEC on September 25, 2012)

AGREEMENT AND PLAN OF MERGER BY AND BETWEEN WESTERN ALLIANCE BANCORPORATION AND WESTERN LIBERTY BANCORP DATED AS OF August 17, 2012 TABLE OF CONTENTS (Filed With SEC on August 22, 2012)

WESTERN ALLIANCE BANCORPORATION 2005 STOCK INCENTIVE PLAN (Filed With SEC on April 6, 2012)

WESTERN ALLIANCE BANCORPORATION Non-Cumulative Perpetual Preferred Stock, Series B (Filed With SEC on March 2, 2012)

CHART FOR EARNINGS PER SHARE RESULTS IS 50% OFTARGET (Filed With SEC on March 2, 2012)

SMALL BUSINESS LENDING FUND SECURITIES PURCHASE AGREEMENT Western Alliance Bancorporation 0069 Name of Company SBLF No. One East Washington Street, Suite 1400 Publicly Traded... (Filed With SEC on September 28, 2011)

UNITED STATES DEPARTMENT OF THE TREASURY 1500 PENNSYLVANIA AVENUE, NW WASHINGTON, D.C. 20220 September 27, 2011 (Filed With SEC on September 28, 2011)

Number of (Filed With SEC on March 7, 2011)

Exhibit No (Filed With SEC on August 25, 2010)

WESTERN ALLIANCE BANCORPORATION Common Stock (par value $0.0001 per share) Underwriting Agreement (Filed With SEC on August 24, 2010)

Number of (Filed With SEC on March 16, 2010)

$ in thousands, except per share amounts (Filed With SEC on August 10, 2009)

WESTERN ALLIANCE BANCORPORATION (Filed With SEC on August 10, 2009)

WESTERN ALLIANCE BANCORPORATION (Filed With SEC on May 18, 2009)

NUMBER A [ ] INCORPORATED UNDER THE LAWS OF THE STATE OF NEVADA SHARES [ ] WESTERN ALLIANCE BANCORPORATION (Filed With SEC on November 25, 2008)

WARRANT TO PURCHASE COMMON STOCK (Filed With SEC on November 25, 2008)

United States Department of the Treasury 1500 Pennsylvania Avenue, NW Washington, D.C. 20220 (Filed With SEC on November 25, 2008)

SECURITIES PURCHASE AGREEMENT WESTERN ALLIANCE BANCORPORATION Common Stock, par value $0.0001 per share $11.50 per share 1 (Filed With SEC on October 2, 2008)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on October 2, 2008)

EMPLOYMENT AGREEMENT (Filed With SEC on April 2, 2007)

Sincerely, AGREED: /s/ Robert Sarver /s/ Larry Woodrum Robert Sarver Larry Woodrum (Filed With SEC on April 2, 2007)

$ in thousands, except per share amounts (Filed With SEC on May 15, 2006)

EX-10.12: SUPPORT AGREEMENT (Filed With SEC on February 15, 2006)

EX-10.13: AGREEMENT AND PLAN OF MERGER (Filed With SEC on February 15, 2006)

REAL ESTATE PURCHASE AGREEMENT BETWEEN GRS SAHARA AVENUE CORP. AND BANKWEST OF NEVADA (Filed With SEC on September 26, 2005)

$ in thousands, except per share amounts (Filed With SEC on August 11, 2005)

WESTERN ALLIANCE BANCORPORATION (Filed With SEC on June 27, 2005)

EX-1.1: FORM OF UNDERWRITING AGREEMENT (Filed With SEC on June 17, 2005)

EX-10.1: 2005 STOCK INCENTIVE PLAN (Filed With SEC on June 7, 2005)

total assets from $443.7 million to $2.2 billion, a four year compound annual growth rate, or CAGR, of 48.8 (Filed With SEC on April 28, 2005)