LIMITED POWER OF ATTORNEY
FOR SECTION 16(a) REPORTING
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned hereby makes, constitutes
and appoints Dale Gibbons and Randall Theisen and each of them, as the undersigned's true and lawful
attorney-in-fact (the "Attorney-in Fact"), with full power of substitution and resubstitution, each with the
power to act alone for the undersigned and in the undersigned's name, place and stead, in any and all
capacities to:
prepare, execute and file with the Securities and Exchange Commission, any national
securities exchange or securities quotation system and Western Alliance Bancorporation (the "Company")
any and all reports (including any amendment thereto) of the undersigned required or considered
advisable under Section 16(a) of the Securities Exchange Act of 1934 (the "Exchange Act") and the rules
and regulations thereunder, with respect to the equity securities of the Company, including Forms 3, 4
and 5; and
1.
2. obtain, as the undersigned's representative and on the undersigned's behalf, information
regarding transactions in the Company's equity securities from any third party, including the Company
and any brokers, dealers, employee benefit plan administrators and trustees, and the undersigned hereby
authorizes any such third party to release any such information to the Attorney-in-Fact.
The undersigned acknowledges that:
1 . this Limited Power of Attorney authorizes, but does not require, the Attorney-in-Fact to
act at his or her discretion on information provided to such Attorney-in-Fact without independent
verification of such information;
any documents prepared or executed by the Attorney-in-Fact on behalf of the
undersigned pursuant to this Limited Power of Attorney will be in such form and will contain such
information as the Attorney-in-Fact, in his or her discretion, deems necessary or desirable;
2.
3. neither the Company nor the Attorney-in-Fact assumes any liability for the undersigned's
responsibility to comply with the requirements of Section 16 of the Exchange Act, any liability of the
undersigned for any failure to comply with such requirements, or any liability of the undersigned for
disgorgement of profits under Section 16(b) of the Exchange Act; and
4. this Limited Power of Attorney does not relieve the undersigned from responsibility for
compliance with the undersigned's obligations under Section 16 of the Exchange Act, including, without,
limitation, the reporting requirements under Section 16(a) of the Exchange Act.
The undersigned hereby grants to the Attorney-in-Fact full power and authority to do and perform
each and every act and thing requisite, necessary or convenient to be done in connection with the
foregoing, as fully, to all intents and purposes, as the undersigned might or could do in person, hereby
ratifying and confirming all that the Attorney-in-Fact, or his or her substitute or substitutes, shall lawfully
do or cause to be done by authority of this Limited Power of Attorney.
This Limited Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 4 or 5 with respect to the undersigned's transactions in equity securities of
the Company, unless earlier revoked by the undersigned in a signed writing delivered to the Attorney-in-
Fact.
This Limited Power of Attorney shall be governed and construed in accordance the laws of the
State of Arizona without regard to conflict-of-law principles.
ndersigned has executed this kfmitepMPower of Attorney as ofWHEREOF, tBIN WIThiES: 20
Signature:
Print Name: