Western Alliance Reports First Quarter 2018 Financial Performance

Western Alliance Bancorporation (NYSE:WAL):

FIRST QUARTER 2018 FINANCIAL RESULTS

Net income

Earnings per share

Net interest margin

Efficiency ratio

Book value per common share

$100.9 million $0.96 4.60% 42.38% $21.67

CEO COMMENTARY:

Kenneth Vecchione, Chief Executive Officer commented, "Western Alliance is off to a solid start to the year with $100.9 million in net income and $0.96 EPS in Q1 2018. We are pleased with our loan growth of $466 million to $15.56 billion, and our deposit growth of $382 million to $17.35 billion. Asset quality remains healthy with a net charge-off rate of 0.04% and non-performing assets to total assets of 0.33%. Our return on average assets and tangible common equity¹ rose for the quarter to 1.99% and 20.46%. With the quarter’s increase in tangible book value per share¹ to $18.86, Western Alliance is building on the momentum of 2017 and on track to deliver for its shareholders in 2018.

The economy continues to expand and we believe that the benefits of the tax reform act are just beginning to be realized for our business customers. We succeed as our clients succeed and have a joint interest in helping our customers realize both their business goals and community aspirations.”

LINKED-QUARTER BASIS			YEAR-OVER-YEAR
FINANCIAL HIGHLIGHTS:
• Net income and earnings per share of $100.9 million and $0.96 compared to $89.3 million and $0.85, respectively • Net operating revenue of $226.9 million constituting growth of $3.7 million compared to an increase in operating non-interest expenses of $3.9 million1 • Operating pre-provision net revenue of $127.6 million down $0.2 million from $127.8 million1 • Effective tax rate of 17.10%, compared to 28.13% due to the effect of the Tax Cuts and Jobs Act ("TCJA") and the cyclical excess tax benefits on share-based payment awards			• Net income of $100.9 million and earnings per share of $0.96, compared to $73.3 million and $0.70, respectively • Net operating revenue of $226.9 million, constituting year-over-year growth of 19.9%, or $37.7 million, compared to an increase in operating non-interest expenses of 12.5%, or $11.0 million1 • Operating pre-provision net revenue of $127.6 million up $26.7 million from $100.9 million 1 • Effective tax rate of 17.10%, compared to 25.03%, resulting in a decrease in income tax expense of $3.7 million as a result of TCJA
FINANCIAL POSITION RESULTS:
• Total loans of $15.56 billion, up $466 million, or 12.4% annualized			• Increase in total loans of $1.90 billion, or 13.9%
• Total deposits of $17.35 billion, up $382 million, or 9.0% annualized			• Increase in total deposits of $2.00 billion, or 13.0%
• Stockholders' equity of $2.29 billion, up $64 million			• Increase in stockholders' equity of $325 million
LOANS AND ASSET QUALITY:
• Nonperforming assets (nonaccrual loans and repossessed assets) to total assets of 0.33% compared to 0.36%			• Nonperforming assets to total assets of 0.33%, compared to 0.44%
• Annualized net loan charge-offs to average loans outstanding of 0.04% for both periods			• Annualized net loan charge-offs to average loans outstanding of 0.04% for both periods
KEY PERFORMANCE METRICS:
• Net interest margin of 4.60%, compared to 4.73%			• Net interest margin of 4.60%, compared to 4.63%
• Return on average assets and return on tangible common equity1 of 1.99% and 20.46%, compared to 1.79% and 18.80%, respectively			• Return on average assets and return on tangible common equity1 of 1.99% and 20.46%, compared to 1.69% and 17.84%, respectively
• Tangible common equity ratio of 9.8%, compared to 9.6% 1			• Tangible common equity ratio of 9.8%, compared to 9.4% 1
• Tangible book value per share, net of tax, of $18.86, an increase from $18.31 1			• Tangible book value per share, net of tax, of $18.86 an increase of 18.9% from $15.86 1
• Operating efficiency ratio of 42.7%, compared to 40.7% 1			• Operating efficiency ratio of 42.7%, compared to 44.4% 1

¹ See reconciliation of Non-GAAP Financial Measures.

Income Statement

Net interest income was $214.2 million in the first quarter 2018, an increase of $3.2 million from $211.0 million in the fourth quarter 2017, and an increase of $34.9 million or 19.5%, compared to the first quarter 2017. Net interest income in the first quarter 2018 includes $5.7 million of total accretion income from acquired loans, compared to $7.1 million in the fourth quarter 2017, and $6.4 million in the first quarter 2017.

The Company’s net interest margin in the first quarter 2018 was 4.60%, a decrease from 4.73% in the fourth quarter 2017, and from 4.63% in the first quarter 2017. However, adjusting net interest margin to exclude the effects of the Tax Cuts and Jobs Act ("TCJA"), which reduced the tax equivalent adjustment from tax-exempt securities and loans, would result in net interest margin of 4.72% for the first quarter 2018.

Operating non-interest income was $12.7 million for the first quarter 2018, compared to $12.3 million for the fourth quarter 2017, and $10.0 million for the first quarter 2017.¹ The increase in operating non-interest income for the first quarter 2018, compared to the same quarter in the prior year is a result of an increase in service charges and fees of $1.0 million and an increase of $0.8 million in warrant income.

Net operating revenue was $226.9 million for the first quarter 2018, an increase of $3.7 million, compared to $223.3 million for the fourth quarter 2017, and an increase of $37.7 million or 19.9%, compared to $189.3 million for the first quarter 2017.¹

Operating non-interest expense was $99.4 million for the first quarter 2018, compared to $95.4 million for the fourth quarter 2017, and $88.4 million for the first quarter 2017.¹ The Company’s operating efficiency ratio¹ on a tax equivalent basis was 42.7% for the first quarter 2018, compared to 40.7% for the fourth quarter 2017, and 44.4% for the first quarter 2017. The decrease in the tax equivalent adjustment was the primary driver of the change in the operating efficiency ratio from the fourth quarter 2017. Adjusting the operating efficiency ratio to exclude the effects of the lower statutory corporate federal tax rate would result in an operating efficiency ratio of 41.7% for the first quarter 2018.

Income tax expense was $20.8 million for the first quarter 2018, compared to $35.0 million for the fourth quarter 2017, and $24.5 million for the first quarter 2017. Income tax expense for the first quarter 2018 includes the effect of the TCJA, which lowered the statutory corporate tax rate from 35% to 21%, as well as the cyclical excess tax benefits on share-based payment awards.

Net income was $100.9 million for the first quarter 2018, an increase of $11.6 million from $89.3 million for the fourth quarter 2017, and an increase of $27.6 million or 37.6%, from $73.3 million for the first quarter 2017. Earnings per share was $0.96 for the first quarter 2018, compared to $0.85 for the fourth quarter 2017, and $0.70 for the first quarter 2017.

The Company views its operating pre-provision net revenue ("PPNR") as a key metric for assessing the Company’s earnings power, which it defines as net operating revenue less operating non-interest expense. For the first quarter 2018, the Company’s operating PPNR was $127.6 million, down from $127.8 million in the fourth quarter 2017, and up 26.4% from $100.9 million in the first quarter 2017.¹ The non-operating items¹ for the first quarter 2018 consisted primarily of a net gain on sales and valuations of repossessed and other assets of $1.2 million, offset by net unrealized losses on assets measured at fair value of $1.1 million.

The Company had 1,713 full-time equivalent employees and 47 offices at March 31, 2018, compared to 1,725 employees and 47 offices at December 31, 2017, and 1,560 employees and 48 offices at March 31, 2017.

Balance Sheet

Gross loans totaled $15.56 billion at March 31, 2018, an increase of $466 million from $15.09 billion at December 31, 2017, and an increase of $1.90 billion from $13.66 billion at March 31, 2017. The increase from the prior quarter was driven by an increase of $325 million in construction and land development loans and $103 million in commercial and industrial loans. From March 31, 2017, loans increased across all loan types, with the largest increase in commercial and industrial loans of $905 million. At March 31, 2018, the allowance for credit losses to gross loans held for investment was 0.93%, compared to 0.93% at December 31, 2017, and 0.94% at March 31, 2017. At March 31, 2018, the allowance for credit losses to total organic loans was 1.02%, compared to 1.03% at December 31, 2017, and 1.08% at March 31, 2017. The Company defines its organic loans as those loans that have not been acquired in a transaction accounted for as a business combination.

Consistent with accounting principles generally accepted in the United States ("GAAP"), the allowance for credit losses is not carried over in an acquisition because acquired loans are recorded at fair value, which discounts the loans based on expected future cash flows. Credit discounts on acquired loans are included as a reduction to gross loans. These discounts totaled $23.1 million at March 31, 2018, compared to $27.0 million at December 31, 2017, and $45.1 million at March 31, 2017.

Deposits totaled $17.35 billion at March 31, 2018, an increase of $382 million from $16.97 billion at December 31, 2017, and an increase of $2.00 billion from $15.36 billion at March 31, 2017. The increase from both the prior quarter and from March 31, 2017 is the result of organic deposit growth. Non-interest bearing deposits were $7.50 billion at March 31, 2018, compared to $7.43 billion at December 31, 2017, and $6.11 billion at March 31, 2017. Non-interest bearing deposits comprised 43.2% of total deposits at March 31, 2018, compared to 43.8% at December 31, 2017, and 39.8% at March 31, 2017. The proportion of savings and money market balances to total deposits was 36.4%, compared to 37.3% at December 31, 2017, and 40.7% at March 31, 2017. Certificates of deposit as a percentage of total deposits were 10.1% at March 31, 2018, compared to 9.6% at December 31, 2017, and 10.0% at March 31, 2017. The Company’s ratio of loans to deposits was 89.7% at March 31, 2018, compared to 88.9% at December 31, 2017, and 89.0% at March 31, 2017.

Borrowings totaled $300 million at March 31, 2018, a decrease of $90 million from $390 million at December 31, 2017, and an increase of $300 million from zero at March 31, 2017. The change in borrowings from both the prior quarter and the prior year is due to fluctuations in FHLB overnight advances.

Qualifying debt totaled $364 million at March 31, 2018, compared to $377 million at December 31, 2017, and $367 million at March 31, 2017.

Stockholders’ equity at March 31, 2018 was $2.29 billion, compared to $2.23 billion at December 31, 2017, and $1.97 billion at March 31, 2017.

At March 31, 2018, tangible common equity, net of tax, was 9.8% of tangible assets¹ and total capital was 13.2% of risk-weighted assets. The Company’s tangible book value per share¹ was $18.86 at March 31, 2018, up 18.9% from March 31, 2017.

Total assets increased 2.1% to $20.76 billion at March 31, 2018, from $20.33 billion at December 31, 2017, and increased 14.6% from $18.12 billion at March 31, 2017. The increase in total assets from the prior year relates primarily to organic loan growth and an increase in investment securities resulting from utilized cash from increased deposits.

Asset Quality

The provision for credit losses was $6.0 million for the first quarter 2018, compared to $5.0 million for the fourth quarter 2017, and compared to $4.3 million for the first quarter 2017. Net loan charge-offs (recoveries) in the first quarter 2018 were $1.4 million, or 0.04% of average loans (annualized), consistent with $1.4 million, or 0.04%, in the fourth quarter 2017, and $1.3 million, or 0.04%, in the first quarter 2017.

Nonaccrual loans decreased $6.6 million to $37.3 million during the quarter and increased $2.8 million during past twelve months. Loans past due 90 days and still accruing interest totaled $37 thousand at March 31, 2018, compared to $43 thousand at December 31, 2017, and $3.7 million at March 31, 2017. Loans past due 30-89 days and still accruing interest totaled $6.5 million at quarter end, a decrease from $10.1 million at December 31, 2017, and a decrease from $10.8 million at March 31, 2017.

Repossessed assets totaled $30.2 million at March 31, 2018, an increase of $1.7 million from $28.5 million at December 31, 2017, and a decrease of $15.0 million from $45.2 million at March 31, 2017. Adversely graded loans and non-performing assets totaled $378.7 million at March 31, 2018, an increase of $23.6 million from $355.2 million at December 31, 2017, and a decrease of $9.5 million from $388.2 million at March 31, 2017.

As the Company’s capital increased, the ratio of classified assets to Tier I capital plus the allowance for credit losses, a common regulatory measure of asset quality, was 9.4% at March 31, 2018, compared to 10.3% at December 31, 2017, and 12.6% at March 31, 2017.¹

¹ See reconciliation of Non-GAAP Financial Measures.

Segment Highlights

The Company's reportable segments are aggregated primarily based on geographic location, services offered, and markets served. The Company's regional segments, which include, Arizona, Nevada, Southern California, and Northern California provide full service banking and related services to their respective markets. The operations from the regional segments correspond to the following banking divisions: Alliance Bank of Arizona, Bank of Nevada and First Independent Bank, Torrey Pines Bank, and Bridge Bank.

The Company's National Business Lines ("NBL") segment provides specialized banking services to niche markets. The Company's NBL reportable segments include Homeowner Associations ("HOA") Services, Hotel Franchise Finance ("HFF") Public & Nonprofit Finance, Technology & Innovation, and Other NBLs. These NBLs are managed centrally and are broader in geographic scope than our other segments, though still predominately located within our core market areas. The HOA Services NBL corresponds to the Alliance Association Bank division. The HFF NBL includes the hotel franchise loan portfolio purchased from GE Capital on April 20, 2016. The operations of Public and Nonprofit Finance are combined into one reportable segment. The Technology & Innovation NBL includes the operations of Equity Fund Resources, the Life Sciences Group, the Renewable Resource Group, and Technology Finance. The Other NBLs segment consists of the operations of Corporate Finance, Mortgage Warehouse Lending, and Resort Finance.

The Corporate & Other segment consists of corporate-related items, income and expense items not allocated to our other reportable segments, and inter-segment eliminations.

Key management metrics for evaluating the performance of the Company's Arizona, Nevada, Southern California, Northern California, and NBL segments include loan and deposit growth, asset quality, and pre-tax income.

The regional segments reported gross loan balances of $8.58 billion at March 31, 2018, an increase of $199 million during the quarter, and an increase of $831 million during the last twelve months. The growth in loans during the quarter was primarily driven by increases of $149 million in Arizona and $79 million in Southern California. The loan growth during the quarter was partially offset by a decrease of $25 million in Nevada. The growth in loans during the last twelve months was primarily driven by increases of $433 million in Arizona, $207 million in Southern California, and $141 million in Northern California. Total deposits for the regional segments were $12.91 billion, a decrease of $29 million during the quarter, and an increase of $897 million during the last twelve months. During the quarter, Nevada and Southern California had decreases in deposits of $303 million and $37 million, respectively. These decreases were partially offset by increases of $179 million and $133 million in Arizona and Northern California, respectively. During the last twelve months, Arizona, Northern California, and Southern California had increased deposits of $766 million, $353 million, and $27 million, respectively. These increases were partially offset by a decrease in deposits of $248 million in Nevada.

Pre-tax income for the regional segments was $85.9 million for the three months ended March 31, 2018, an increase of $2.4 million from the three months ended December 31, 2017, and an increase of $13.4 million from the three months ended March 31, 2017. Nevada and Arizona had the largest increases in pre-tax income of $4.4 million and $0.8 million, respectively, compared to the three months ended December 31, 2017. These increases were partially offset by a decrease of $2.2 million in Northern California. Arizona, Nevada, and Southern California had increases in pre-tax income from the three months ended March 31, 2017 of $6.6 million, $5.9 million, and $1.3 million, respectively. These increases were partially offset by a decrease of $0.4 million in Northern California.

The NBL segments reported gross loan balances of $6.98 billion at March 31, 2018, an increase of $269 million during the quarter, and an increase of $1.07 billion during the last twelve months. The increase in loans for the NBL segments compared to the prior quarter relates primarily to the Other NBLs, Technology & Innovation, and HFF segments, which increased by $182 million, $71 million, $51 million, respectively. These increases were partially offset by a decrease of $41 million in the Public & Nonprofit Finance segment. During the last twelve months, each of the NBL segments have had increases in loans. The largest drivers of the increase were the Other NBLs, Technology & Innovation, and HFF segments, with increases of $770 million, $158 million, and $99 million, respectively. Total deposits for the NBL segments were $4.21 billion, an increase of $241 million during the quarter, and an increase of $954 million during the last twelve months. The HOA Services segment increased deposits during the quarter of $245 million, while the Technology & Innovation segment remained relatively unchanged. The increase of $954 million during the last twelve months is the result of growth in the Technology & Innovation and HOA Services of $591 million and $363 million, respectively.

Pre-tax income for the NBL segments was $46.7 million for the three months ended March 31, 2018, a decrease of $4.1 million from the three months ended December 31, 2017, and an increase of $9.2 million from the three months ended March 31, 2017. The decrease in pre-tax income from the prior quarter relates primarily to the Public & Nonprofit and Other NBLs segments, which decreased by $3.3 million and $2.1 million, respectively. These decreases were partially offset by an increase in pre-tax income from the Technology & Innovation segment of $0.8 million. The primary drivers of the increase in pre-tax income from the same period in the prior year were the Other NBLs, Technology & Innovation, and HOA Services segments. These segments had increases of $5.5 million, $3.4 million, and $2.0 million, respectively. These increases were partially offset by a decrease of $1.9 million in pre-tax income in the Public & Nonprofit segment.

Conference Call and Webcast

Western Alliance Bancorporation will host a conference call and live webcast to discuss its first quarter 2018 financial results at 12:00 p.m. ET on Friday, April 20, 2018. Participants may access the call by dialing 1-888-317-6003 and using passcode 1123074 or via live audio webcast using the website link https://services.choruscall.com/links/wal180420.html. The webcast is also available via the Company’s website at www.westernalliancebancorporation.com. Participants should log in at least 15 minutes early to receive instructions. The call will be recorded and made available for replay after 2:00 p.m. ET April 20th through 9:00 a.m. ET May 20th by dialing 1-877-344-7529 passcode: 10118783.

Reclassifications

Certain amounts in the Consolidated Income Statements for the prior periods have been reclassified to conform to the current presentation. The reclassifications have no effect on net income or stockholders’ equity as previously reported.

Use of Non-GAAP Financial Information

This press release contains both financial measures based on GAAP and non-GAAP based financial measures, which are used where management believes them to be helpful in understanding the Company’s results of operations or financial position. Where non-GAAP financial measures are used, the comparable GAAP financial measure, as well as the reconciliation to the comparable GAAP financial measure, can be found in this press release. These disclosures should not be viewed as a substitute for operating results determined in accordance with GAAP, nor are they necessarily comparable to non-GAAP performance measures that may be presented by other companies.

Adoption of Accounting Standards

During the first quarter 2018, the Company adopted Accounting Standards Update ("ASU") 2014-09, Revenue from Contracts with Customers, ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities and ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.

The amendments in ASU 2014-09 create a common revenue standard and clarify the principles for recognizing revenue that can be applied consistently across various transactions, industries, and capital markets. Although this new accounting guidance brings considerable changes to how many companies account for revenue and disclose revenue-related information, the effect on the Company has not been significant as substantially all of the Company's revenue is generated from interest income related to loans and investment securities, which are not within the scope of this guidance. For the Company's revenue streams that are within the scope of this guidance, the guidance was adopted on January 1, 2018 using the modified retrospective method. Upon adoption, the Company's accounting policies did not change materially as the principles of revenue recognition in the ASU are largely consistent with current practices applied by the Company.

The amendments in ASU 2016-01 require that equity investments be measured at fair value with changes in fair value recognized in net income, rather than accumulated other comprehensive income. Upon adoption of the new accounting guidance, on January 1, 2018, the Company recorded a cumulative-effect adjustment of $0.4 million to decrease accumulated other comprehensive income with a corresponding increase to opening retained earnings. During the three months ended March 31, 2018, the Company recognized a loss of $1.1 million related to fair value changes in equity securities.

The amendments in ASU 2018-02 allow a reclassification from accumulated other comprehensive income to retained earnings from tax effects resulting from the TCJA so that tax effects of items within other comprehensive income reflect the current tax rate. Previously, the effect of a change in tax laws or rates on deferred tax liabilities and assets were included in income from continuing operations even in situations in which the related income tax effects of items in accumulated other comprehensive income were originally recognized in comprehensive income. Upon adoption of the new accounting guidance, on January 1, 2018, the Company recorded a cumulative-effect adjustment of $0.6 million to decrease accumulated other comprehensive income with a corresponding increase to opening retained earnings.

Cautionary Note Regarding Forward-Looking Statements

This release contains forward-looking statements that relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts. Examples of forward-looking statements include, among others, statements we make regarding our expectations with regard to our business, financial and operating results, and future economic performance, including our recent domestic select-service hotel franchise finance loan portfolio acquisition. The forward-looking statements contained herein reflect our current views about future events and financial performance and are subject to risks, uncertainties, assumptions and changes in circumstances that may cause our actual results to differ significantly from historical results and those expressed in any forward-looking statement. Some factors that could cause actual results to differ materially from historical or expected results include, among others: the risk factors discussed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 as filed with the Securities and Exchange Commission; changes in general economic conditions, either nationally or locally in the areas in which we conduct or will conduct our business; inflation, interest rate, market and monetary fluctuations; increases in competitive pressures among financial institutions and businesses offering similar products and services; higher defaults on our loan portfolio than we expect; changes in management’s estimate of the adequacy of the allowance for credit losses; legislative or regulatory changes or changes in accounting principles, policies or guidelines; supervisory actions by regulatory agencies which may limit our ability to pursue certain growth opportunities, including expansion through acquisitions; additional regulatory requirements resulting from our continued growth; management’s estimates and projections of interest rates and interest rate policy; the execution of our business plan; and other factors affecting the financial services industry generally or the banking industry in particular.

Any forward-looking statement made by us in this release is based only on information currently available to us and speaks only as of the date on which it is made. We do not intend and disclaim any duty or obligation to update or revise any industry information or forward-looking statements, whether written or oral, that may be made from time to time, set forth in this press release to reflect new information, future events or otherwise.

About Western Alliance Bancorporation

With more than $20 billion in assets, Western Alliance Bancorporation (NYSE:WAL) is one of the country’s top-performing banking companies and is ranked #2 on the Forbes 2018 "Best Banks in America" list. Its primary subsidiary, Western Alliance Bank, is the go-to bank for business and succeeds with local teams of experienced bankers who deliver superior service and a full spectrum of deposit, lending, treasury management, international banking and online banking products and services. Western Alliance Bank operates full-service banking divisions: Alliance Bank of Arizona, Bank of Nevada, Bridge Bank, First Independent Bank and Torrey Pines Bank. The bank also serves business customers through a robust national platform of specialized financial services including Corporate Finance, Equity Fund Resources, Hotel Franchise Finance, Life Sciences Group, Mortgage Warehouse Lending, Public and Nonprofit Finance, Renewable Resource Group, Resort Finance, Technology Finance and Alliance Association Bank. For more information, visit westernalliancebancorporation.com.

Western Alliance Bancorporation and Subsidiaries
Summary Consolidated Financial Data
Unaudited
Selected Balance Sheet Data:
			As of March 31,
			2018					2017					Change%
			(in millions)
Total assets			$	20,760.7				$	18,122.5				14.6	%
Total loans, net of deferred fees			15,560.4					13,662.7					13.9
Securities and money market investments			3,734.3					2,869.1					30.2
Total deposits			17,354.5					15,356.0					13.0
Borrowings			300.0					—					NM
Qualifying debt			363.9					366.9					(0.8	)
Stockholders' equity			2,293.7					1,969.0					16.5
Tangible common equity, net of tax (1)			1,996.2					1,671.6					19.4
Selected Income Statement Data:
			For the Three Months Ended March 31,
			2018					2017					Change%
			(in thousands, except per share data)
Interest income			$	234,697				$	192,265				22.1	%
Interest expense			20,477					12,956					58.1
Net interest income			214,220					179,309					19.5
Provision for credit losses			6,000					4,250					41.2
Net interest income after provision for credit losses			208,220					175,059					18.9
Non-interest income			11,643					10,599					9.8
Non-interest expense			98,149					87,827					11.8
Income before income taxes			121,714					97,831					24.4
Income tax expense			20,814					24,489					(15.0	)
Net income			$	100,900				$	73,342				37.6
Diluted earnings per share			$	0.96				$	0.70				37.1

(1)		See Reconciliation of Non-GAAP Financial Measures.
NM		Changes +/- 100% are not meaningful.

Western Alliance Bancorporation and Subsidiaries
Summary Consolidated Financial Data
Unaudited
Common Share Data:
		At or For the Three Months Ended March 31,
		2018					2017					Change%
Diluted earnings per share		$	0.96				$	0.70				37.1	%
Book value per common share		21.67					18.68					16.0
Tangible book value per share, net of tax (1)		18.86					15.86					18.9
Average shares outstanding (in thousands):
Basic		104,530					103,987					0.5
Diluted		105,324					104,836					0.5
Common shares outstanding		105,861					105,428					0.4
Selected Performance Ratios:
Return on average assets (2)		1.99		%			1.69		%			17.8	%
Return on average tangible common equity (1, 2)		20.46					17.84					14.7
Net interest margin (2)		4.60					4.63					(0.6	)
Operating efficiency ratio - tax equivalent basis (1)		42.71					44.42					(3.8	)
Loan to deposit ratio		89.66					88.97					0.8
Asset Quality Ratios:
Net charge-offs to average loans outstanding (2)		0.04		%			0.04		%			—	%
Nonaccrual loans to gross loans		0.24					0.25					(4.0	)
Nonaccrual loans and repossessed assets to total assets		0.33					0.44					(25.0	)
Loans past due 90 days and still accruing to gross loans		0.00					0.03					NM
Allowance for credit losses to gross loans		0.93					0.94					(1.1	)
Allowance for credit losses to nonaccrual loans		387.86					370.45					4.7
Capital Ratios (1):
		Mar 31, 2018					Dec 31, 2017					Mar 31, 2017
Tangible common equity (1)		9.8		%			9.6		%			9.4	%
Common Equity Tier 1 (1), (3)		10.5					10.4					10.0
Tier 1 Leverage ratio (1), (3)		10.5					10.3					10.2
Tier 1 Capital (1), (3)		10.9					10.8					10.5
Total Capital (1), (3)		13.2					13.3					13.1

(1)		See Reconciliation of Non-GAAP Financial Measures.
(2)		Annualized for the three month periods ended March 31, 2018 and 2017.
(3)		Capital ratios for March 31, 2018 are preliminary until the Call Report is filed.
NM		Changes +/- 100% are not meaningful.

Western Alliance Bancorporation and Subsidiaries
Condensed Consolidated Income Statements
Unaudited
			Three Months Ended March 31,
			2018					2017
			(dollars in thousands, except per share data)
Interest income:
Loans			$	205,959				$	172,553
Investment securities			26,621					18,114
Other			2,117					1,598
Total interest income			234,697					192,265
Interest expense:
Deposits			14,173					8,412
Qualifying debt			4,969					4,338
Borrowings			1,335					206
Total interest expense			20,477					12,956
Net interest income			214,220					179,309
Provision for credit losses			6,000					4,250
Net interest income after provision for credit losses			208,220					175,059
Non-interest income:
Service charges and fees			5,745					4,738
Income from equity investments			1,460					692
Card income			1,972					1,492
Income from bank owned life insurance			928					948
Foreign currency income			1,202					1,042
Lending related income and gains (losses) on sale of loans, net			978					422
Gain (loss) on sales of investment securities, net			—					635
Unrealized (losses) gains on assets measured at fair value, net			(1,074		)			(1		)
Other			432					631
Total non-interest income			11,643					10,599
Non-interest expenses:
Salaries and employee benefits			62,133					51,620
Occupancy			6,864					6,894
Legal, professional, and directors' fees			6,003					8,803
Data processing			5,207					5,264
Insurance			3,869					3,228
Deposit costs			2,926					1,741
Card expense			942					731
Marketing			596					721
Loan and repossessed asset expenses			583					1,278
Intangible amortization			398					689
Net (gain) loss on sales and valuations of repossessed and other assets			(1,228		)			(543		)
Other			9,856					7,401
Total non-interest expense			98,149					87,827
Income before income taxes			121,714					97,831
Income tax expense			20,814					24,489
Net income			$	100,900				$	73,342
Earnings per share:
Diluted shares			105,324					104,836
Diluted earnings per share			$	0.96				$	0.70

Western Alliance Bancorporation and Subsidiaries
Five Quarter Condensed Consolidated Income Statements
Unaudited
			Three Months Ended
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(in thousands, except per share data)
Interest income:
Loans			$	205,959				$	200,204				$	191,096				$	183,657				$	172,553
Investment securities			26,621					26,312					23,584					20,629					18,114
Other			2,117					1,943					3,156					2,667					1,598
Total interest income			234,697					228,459					217,836					206,953					192,265
Interest expense:
Deposits			14,173					12,459					11,449					9,645					8,412
Qualifying debt			4,969					4,734					4,708					4,493					4,338
Borrowings			1,335					237					96					72					206
Total interest expense			20,477					17,430					16,253					14,210					12,956
Net interest income			214,220					211,029					201,583					192,743					179,309
Provision for credit losses			6,000					5,000					5,000					3,000					4,250
Net interest income after provision for credit losses			208,220					206,029					196,583					189,743					175,059
Non-interest income:
Service charges and fees			5,745					5,157					5,248					5,203					4,738
Income from equity investments			1,460					1,519					967					1,318					692
Card income			1,972					1,796					1,509					1,516					1,492
Income from bank owned life insurance			928					965					975					973					948
Foreign currency income			1,202					906					756					832					1,042
Lending related income and gains (losses) on sale of loans, net			978					1,466					97					227					422
Gain (loss) on sales of investment securities, net			—					1,436					319					(47		)			635
Unrealized (losses) gains on assets measured at fair value, net			(1,074		)			—					—					—					(1		)
Other			432					443					585					579					631
Total non-interest income			11,643					13,688					10,456					10,601					10,599
Non-interest expenses:
Salaries and employee benefits			62,133					57,704					52,747					52,273					51,620
Occupancy			6,864					6,532					7,507					6,927					6,894
Legal, professional, and directors' fees			6,003					6,490					6,038					8,483					8,803
Data processing			5,207					5,062					4,524					4,375					5,264
Insurance			3,869					3,687					3,538					3,589					3,228
Deposit costs			2,926					2,953					2,904					2,133					1,741
Card expense			942					855					966					861					731
Marketing			596					1,176					776					1,131					721
Loan and repossessed asset expenses			583					978					1,263					1,098					1,278
Intangible amortization			398					408					489					488					689
Net (gain) loss on sales and valuations of repossessed and other assets			(1,228		)			(34		)			266					231					(543		)
Other			9,856					9,587					8,278					6,831					7,401
Total non-interest expense			98,149					95,398					89,296					88,420					87,827
Income before income taxes			121,714					124,319					117,743					111,924					97,831
Income tax expense			20,814					34,973					34,899					31,964					24,489
Net income			$	100,900				$	89,346				$	82,844				$	79,960				$	73,342
Earnings per share:
Diluted shares			105,324					105,164					104,942					105,045					104,836
Diluted earnings per share			$	0.96				$	0.85				$	0.79				$	0.76				$	0.70

Western Alliance Bancorporation and Subsidiaries
Five Quarter Condensed Consolidated Balance Sheets
Unaudited
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(in millions, except per share data)
Assets:
Cash and due from banks			$	439.4				$	416.8				$	650.4				$	606.7				$	647.0
Securities and money market investments			3,734.3					3,820.4					3,773.6					3,283.0					2,869.1
Loans held for sale			—					—					16.3					16.7					17.8
Loans held for investment:
Commercial			6,944.4					6,841.4					6,735.9					6,318.5					6,039.1
Commercial real estate - non-owner occupied			3,925.3					3,904.0					3,628.4					3,649.1					3,607.8
Commercial real estate - owner occupied			2,264.6					2,241.6					2,047.5					2,021.2					2,043.4
Construction and land development			1,957.5					1,632.2					1,666.4					1,601.7					1,601.7
Residential real estate			418.1					425.9					376.7					334.8					309.9
Consumer			50.5					48.8					50.7					47.9					43.0
Gross loans and deferred fees, net			15,560.4					15,093.9					14,505.6					13,973.2					13,644.9
Allowance for credit losses			(144.7		)			(140.0		)			(136.4		)			(131.8		)			(127.6		)
Loans, net			15,415.7					14,953.9					14,369.2					13,841.4					13,517.3
Premises and equipment, net			116.7					118.7					120.1					120.5					120.0
Other assets acquired through foreclosure, net			30.2					28.5					29.0					31.0					45.2
Bank owned life insurance			168.6					167.8					166.8					166.4					165.5
Goodwill and other intangibles, net			300.4					300.7					301.2					301.6					302.1
Other assets			555.4					522.3					495.6					477.4					438.5
Total assets			$	20,760.7				$	20,329.1				$	19,922.2				$	18,844.7				$	18,122.5
Liabilities and Stockholders' Equity:
Liabilities:
Deposits
Non-interest bearing demand deposits			$	7,502.0				$	7,434.0				$	7,608.7				$	6,859.4				$	6,114.1
Interest bearing:
Demand			1,776.3					1,586.2					1,406.4					1,480.8					1,449.3
Savings and money market			6,314.9					6,330.9					6,300.2					6,104.0					6,253.8
Time certificates			1,761.3					1,621.4					1,589.5					1,586.9					1,538.8
Total deposits			17,354.5					16,972.5					16,904.8					16,031.1					15,356.0
Customer repurchase agreements			21.7					26.0					26.1					32.7					35.7
Total customer funds			17,376.2					16,998.5					16,930.9					16,063.8					15,391.7
Borrowings			300.0					390.0					—					—					—
Qualifying debt			363.9					376.9					372.9					375.4					366.9
Accrued interest payable and other liabilities			426.9					333.9					472.8					346.8					394.9
Total liabilities			18,467.0					18,099.3					17,776.6					16,786.0					16,153.5
Stockholders' Equity:
Common stock and additional paid-in capital			1,385.0					1,384.4					1,378.8					1,376.4					1,370.3
Retained earnings			950.4					848.5					758.6					675.8					595.8
Accumulated other comprehensive (loss) income			(41.7		)			(3.1		)			8.2					6.5					2.9
Total stockholders' equity			2,293.7					2,229.8					2,145.6					2,058.7					1,969.0
Total liabilities and stockholders' equity			$	20,760.7				$	20,329.1				$	19,922.2				$	18,844.7				$	18,122.5

Western Alliance Bancorporation and Subsidiaries
Changes in the Allowance For Credit Losses
Unaudited
			Three Months Ended
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(in thousands)
Balance, beginning of period			$	140,050				$	136,421				$	131,811				$	127,649				$	124,704
Provision for credit losses			6,000					5,000					5,000					3,000					4,250
Recoveries of loans previously charged-off:
Commercial and industrial			459					406					619					1,759					328
Commercial real estate - non-owner occupied			105					58					1,168					360					355
Commercial real estate - owner occupied			21					119					613					46					178
Construction and land development			1,388					218					226					508					277
Residential real estate			250					120					108					1,299					251
Consumer			10					3					33					—					49
Total recoveries			2,233					924					2,767					3,972					1,438
Loans charged-off:
Commercial and industrial			3,517					2,019					2,921					651					2,595
Commercial real estate - non-owner occupied			—					275					175					1,808					—
Commercial real estate - owner occupied			—					—					—					11					—
Construction and land development			—					—					—					—					—
Residential real estate			107					—					—					332					115
Consumer			—					1					61					8					33
Total loans charged-off			3,624					2,295					3,157					2,810					2,743
Net loan charge-offs (recoveries)			1,391					1,371					390					(1,162		)			1,305
Balance, end of period			$	144,659				$	140,050				$	136,421				$	131,811				$	127,649
Net charge-offs (recoveries) to average loans- annualized			0.04		%			0.04		%			0.01		%			(0.03		)%			0.04		%
Allowance for credit losses to gross loans			0.93		%			0.93		%			0.94		%			0.94		%			0.94		%
Allowance for credit losses to gross organic loans			1.02					1.03					1.06					1.08					1.08
Allowance for credit losses to nonaccrual loans			387.86					318.84					248.07					438.33					370.45
Nonaccrual loans			$	37,297				$	43,925				$	54,994				$	30,071				$	34,458
Nonaccrual loans to gross loans			0.24		%			0.29		%			0.38		%			0.22		%			0.25		%
Repossessed assets			$	30,194				$	28,540				$	28,992				$	30,988				$	45,200
Nonaccrual loans and repossessed assets to total assets			0.33		%			0.36		%			0.42		%			0.32		%			0.44		%
Loans past due 90 days, still accruing			$	37				$	43				$	44				$	4,021				$	3,659
Loans past due 90 days and still accruing to gross loans			0.00		%			0.00		%			0.00		%			0.03		%			0.03		%
Loans past due 30 to 89 days, still accruing			$	6,479				$	10,142				$	5,179				$	4,071				$	10,764
Loans past due 30 to 89 days, still accruing to gross loans			0.04		%			0.07		%			0.04		%			0.03		%			0.08		%
Special mention loans			$	184,702				$	155,032				$	199,965				$	141,036				$	175,080
Special mention loans to gross loans			1.19		%			1.03		%			1.38		%			1.01		%			1.28		%
Classified loans on accrual			$	126,538				$	127,681				$	122,264				$	165,715				$	133,483
Classified loans on accrual to gross loans			0.81		%			0.85		%			0.84		%			1.19		%			0.98		%
Classified assets			$	213,482				$	222,004				$	221,803				$	249,491				$	236,786
Classified assets to total assets			1.03		%			1.09		%			1.11		%			1.32		%			1.31		%

Western Alliance Bancorporation and Subsidiaries
Analysis of Average Balances, Yields and Rates
Unaudited
			Three Months Ended
			March 31, 2018																December 31, 2017
			Average Balance					Interest					Average Yield / Cost						Average Balance					Interest					Average Yield / Cost
			($ in millions)					($ in thousands)											($ in millions)					($ in thousands)
Interest earning assets
Loans:
Commercial			$	6,580.9				$	85,547				5.38	%					$	6,597.6				$	86,336				5.60	%
CRE - non-owner occupied			3,920.8					56,285					5.76						3,734.8					55,757					5.99
CRE - owner occupied			2,241.8					28,551					5.21						2,084.0					26,081					5.26
Construction and land development			1,789.4					29,619					6.63						1,661.6					26,463					6.38
Residential real estate			425.3					5,280					4.97						409.9					4,941					4.82
Consumer			47.9					677					5.65						48.6					626					5.15
Total loans (1), (2), (3)			15,006.1					205,959					5.59						14,536.5					200,204					5.72
Securities:
Securities - taxable			2,875.3					19,149					2.66						2,975.0					19,350					2.60
Securities - tax-exempt			836.9					7,472					4.47						791.5					6,962					5.21
Total securities (1)			3,712.2					26,621					3.07						3,766.5					26,312					3.15
Cash and other			425.7					2,117					1.99						489.0					1,943					1.59
Total interest earning assets			19,144.0					234,697					5.02						18,792.0					228,459					5.10
Non-interest earning assets
Cash and due from banks			142.3																135.0
Allowance for credit losses			(141.0		)														(138.4		)
Bank owned life insurance			168.1																167.1
Other assets			990.8																956.3
Total assets			$	20,304.2															$	19,912.0
Interest-bearing liabilities
Interest-bearing deposits:
Interest-bearing transaction accounts			$	1,654.7				$	1,380				0.33	%					$	1,464.5				$	1,116				0.30	%
Savings and money market			6,226.7					8,915					0.57						6,321.4					7,810					0.49
Time certificates of deposit			1,579.9					3,878					0.98						1,595.6					3,533					0.89
Total interest-bearing deposits			9,461.3					14,173					0.60						9,381.5					12,459					0.53
Short-term borrowings			351.6					1,335					1.52						78.1					237					1.21
Qualifying debt			368.8					4,969					5.39						372.8					4,734					5.08
Total interest-bearing liabilities			10,181.7					20,477					0.80						9,832.4					17,430					0.71
Non-interest-bearing liabilities
Non-interest-bearing demand deposits			7,510.6																7,502.2
Other liabilities			338.5																375.2
Stockholders’ equity			2,273.4																2,202.2
Total liabilities and stockholders' equity			$	20,304.2															$	19,912.0
Net interest income and margin (4)								$	214,220				4.60	%										$	211,029				4.73	%
Net interest margin, adjusted (5)													4.72	%
(1) Yields on loans and securities have been adjusted to a tax equivalent basis. The tax equivalent adjustment was $5.7 million and $11.0 million for the three months ended March 31, 2018 and December 31, 2017, respectively.
(2) Included in the yield computation are net loan fees of $10.0 million and accretion on acquired loans of $5.7 million for the three months ended March 31, 2018, compared to $11.0 million and $7.1 million for the three months ended December 31, 2017, respectively.
(3) Includes non-accrual loans.
(4) Net interest margin is computed by dividing net interest income by total average earning assets.
(5) Current period net interest margin is adjusted to exclude the effects from the effects from the TCJA of the lower statutory corporate federal tax rate on the calculation of the tax equivalent adjustment in order to be comparable to the prior periods.

Western Alliance Bancorporation and Subsidiaries
Analysis of Average Balances, Yields and Rates
Unaudited
			Three Months Ended March 31,
			2018															2017
			Average Balance					Interest					Average Yield / Cost					Average Balance					Interest					Average Yield / Cost
			($ in millions)					($ in thousands)										($ in millions)					($ in thousands)
Interest earning assets
Loans:
Commercial			$	6,580.9				$	85,547				5.38		%			$	5,757.0				$	68,474				5.16	%
CRE - non-owner occupied			3,920.8					56,285					5.76					3,550.3					53,735					6.07
CRE - owner occupied			2,241.8					28,551					5.21					1,998.0					24,726					5.14
Construction and land development			1,789.4					29,619					6.63					1,510.8					22,102					5.86
Residential real estate			425.3					5,280					4.97					271.9					3,023					4.45
Consumer			47.9					677					5.65					38.5					493					5.12
Total loans (1), (2), (3)			15,006.1					205,959					5.59					13,126.5					172,553					5.47
Securities:
Securities - taxable			2,875.3					19,149					2.66					2,105.2					12,437					2.36
Securities - tax-exempt			836.9					7,472					4.47					604.3					5,677					5.57
Total securities (1)			3,712.2					26,621					3.07					2,709.5					18,114					3.08
Cash and other			425.7					2,117					1.99					482.0					1,598					1.33
Total interest earning assets			19,144.0					234,697					5.02					16,318.0					192,265					4.95
Non-interest earning assets
Cash and due from banks			142.3															142.7
Allowance for credit losses			(141.0		)													(125.7		)
Bank owned life insurance			168.1															164.8
Other assets			990.8															900.5
Total assets			$	20,304.2														$	17,400.3
Interest-bearing liabilities
Interest-bearing deposits:
Interest-bearing transaction accounts			$	1,654.7				$	1,380				0.33		%			$	1,434.8				$	805				0.22	%
Savings and money market			6,226.7					8,915					0.57					6,069.0					5,312					0.35
Time certificates of deposit			1,579.9					3,878					0.98					1,484.9					2,295					0.62
Total interest-bearing deposits			9,461.3					14,173					0.60					8,988.7					8,412					0.37
Short-term borrowings			351.6					1,335					1.52					110.9					206					0.74
Qualifying debt			368.8					4,969					5.39					354.1					4,338					4.90
Total interest-bearing liabilities			10,181.7					20,477					0.80					9,453.7					12,956					0.55
Non-interest-bearing liabilities
Non-interest-bearing demand deposits			7,510.6															5,719.2
Other liabilities			338.5															280.6
Stockholders’ equity			2,273.4															1,946.8
Total liabilities and stockholders' equity			$	20,304.2														$	17,400.3
Net interest income and margin (4)								$	214,220				4.60	%									$	179,309				4.63	%
Net interest margin, adjusted (5)													4.72	%
(1) Yields on loans and securities have been adjusted to a tax equivalent basis. The tax equivalent adjustment was $5.7 million and $9.7 million for the three months ended March 31, 2018 and 2017, respectively.
(2) Included in the yield computation are net loan fees of $10.0 million and accretion on acquired loans of $5.7 million for the three months ended March 31, 2018, compared to $6.9 million and $6.4 million for the three months ended March 31, 2017, respectively.
(3) Includes non-accrual loans.
(4) Net interest margin is computed by dividing net interest income by total average earning assets.
(5) Current period net interest margin is adjusted to exclude the effects from the TCJA of the lower statutory corporate federal tax rate on the calculation of the tax equivalent adjustment in order to be comparable to the prior periods.

Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited
Balance Sheet:								Regional Segments
			Consolidated Company					Arizona					Nevada					Southern California					Northern California
At March 31, 2018:			(dollars in millions)
Assets:
Cash, cash equivalents, and investment securities			$	4,173.7				$	2.1				$	8.5				$	2.2				$	2.5
Loans, net of deferred loan fees and costs			15,560.4					3,472.7					1,819.6					2,013.6					1,271.4
Less: allowance for credit losses			(144.7		)			(33.9		)			(17.9		)			(20.3		)			(11.2		)
Total loans			15,415.7					3,438.8					1,801.7					1,993.3					1,260.2
Other assets acquired through foreclosure, net			30.2					2.3					15.0					—					0.2
Goodwill and other intangible assets, net			300.4					—					23.2					—					156.3
Other assets			840.7					46.4					58.3					14.8					15.1
Total assets			$	20,760.7				$	3,489.6				$	1,906.7				$	2,010.3				$	1,434.3
Liabilities:
Deposits			$	17,354.5				$	5,020.6				$	3,648.1				$	2,423.8				$	1,814.4
Borrowings and qualifying debt			663.9					—					—					—					—
Other liabilities			448.6					10.9					16.2					1.9					10.5
Total liabilities			18,467.0					5,031.5					3,664.3					2,425.7					1,824.9
Allocated equity:			2,293.7					24.7					21.8					10.3					7.6
Total liabilities and stockholders' equity			$	20,760.7				$	5,056.2				$	3,686.1				$	2,436.0				$	1,832.5
Excess funds provided (used)			—					1,566.6					1,779.4					425.7					398.2
No. of offices			47					10					16					9					3
No. of full-time equivalent employees			1,713					108					96					105					122
Income Statement:
Three Months Ended March 31, 2018:			(in thousands)
Net interest income (expense)			$	214,220				$	54,555				$	36,690				$	27,802				$	22,255
Provision for (recovery) credit losses			6,000					1,434					(1,723		)			729					1,548
Net interest income (expense) after provision for credit losses			208,220					53,121					38,413					27,073					20,707
Non-interest income			11,643					1,416					3,333					1,001					2,547
Non-interest expense			(98,149		)			(21,504		)			(14,084		)			(13,646		)			(12,503		)
Income (loss) before income taxes			121,714					33,033					27,662					14,428					10,751
Income tax expense (benefit)			20,814					8,321					5,903					4,135					3,098
Net income			$	100,900				$	24,712				$	21,759				$	10,293				$	7,653

Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited
Balance Sheet:			National Business Lines
			HOA Services					Public & Nonprofit Finance					Technology & Innovation					Hotel Franchise Finance					Other NBLs					Corporate & Other
At March 31, 2018:			(dollars in millions)
Assets:
Cash, cash equivalents, and investment securities			$	—				$	—				$	—				$	—				$	—				$	4,158.4
Loans, net of deferred loan fees and costs			167.0					1,539.8					1,168.9					1,378.7					2,725.4					3.3
Less: allowance for credit losses			(1.7		)			(15.5		)			(10.3		)			(6.3		)			(27.5		)			(0.1		)
Total loans			165.3					1,524.3					1,158.6					1,372.4					2,697.9					3.2
Other assets acquired through foreclosure, net			—					—					—					—					—					12.7
Goodwill and other intangible assets, net			—					—					120.8					0.1					—					—
Other assets			0.8					14.7					6.8					6.4					13.4					664.0
Total assets			$	166.1				$	1,539.0				$	1,286.2				$	1,378.9				$	2,711.3				$	4,838.3
Liabilities:
Deposits			$	2,475.3				$	—				$	1,733.5				$	—				$	—				$	238.8
Borrowings and qualifying debt			—					—					—					—					—					663.9
Other liabilities			1.6					21.5					1.2					(0.3		)			124.3					260.8
Total liabilities			2,476.9					21.5					1,734.7					(0.3		)			124.3					1,163.5
Allocated equity:			5.9					1.3					11.1					8.3					9.3					2,193.4
Total liabilities and stockholders' equity			$	2,482.8				$	22.8				$	1,745.8				$	8.0				$	133.6				$	3,356.9
Excess funds provided (used)			2,316.7					(1,516.2		)			459.6					(1,370.9		)			(2,577.7		)			(1,481.4		)
No. of offices			1					1					9					1					4					(7		)
No. of full-time equivalent employees			67					11					54					16					41					1,093
Income Statement:
Three Months Ended March 31, 2018:			(in thousands)
Net interest income (expense)			$	15,359				$	3,746				$	22,821				$	14,185				$	18,811				$	(2,004	)
Provision for (recovery) credit losses			47					(207		)			1,651					1,236					1,285					—
Net interest income (expense) after provision for credit losses			15,312					3,953					21,170					12,949					17,526					(2,004		)
Non-interest income			150					—					3,051					13					224					(92		)
Non-interest expense			(7,803		)			(2,174		)			(9,833		)			(2,206		)			(5,662		)			(8,734		)
Income (loss) before income taxes			7,659					1,779					14,388					10,756					12,088					(10,830		)
Income tax expense (benefit)			1,761					409					3,309					2,474					2,780					(11,376		)
Net income			$	5,898				$	1,370				$	11,079				$	8,282				$	9,308				$	546

Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited
Balance Sheet:								Regional Segments
			Consolidated Company					Arizona					Nevada					Southern California					Northern California
At December 31, 2017:			(dollars in millions)
Assets:
Cash, cash equivalents, and investment securities			$	4,237.1				$	2.1				$	8.2				$	2.1				$	1.7
Loans, net of deferred loan fees and costs			15,093.9					3,323.7					1,844.8					1,934.7					1,275.5
Less: allowance for credit losses			(140.0		)			(31.5		)			(18.1		)			(19.5		)			(13.2		)
Total loans			14,953.9					3,292.2					1,826.7					1,915.2					1,262.3
Other assets acquired through foreclosure, net			28.5					2.3					13.3					—					0.2
Goodwill and other intangible assets, net			300.7					—					23.2					—					156.5
Other assets			808.9					46.3					58.8					14.4					15.1
Total assets			$	20,329.1				$	3,342.9				$	1,930.2				$	1,931.7				$	1,435.8
Liabilities:
Deposits			$	16,972.5				$	4,841.3				$	3,951.4				$	2,461.1				$	1,681.7
Borrowings and qualifying debt			766.9					—					—					—					—
Other liabilities			360.0					11.6					20.9					3.2					11.9
Total liabilities			18,099.4					4,852.9					3,972.3					2,464.3					1,693.6
Allocated equity:			2,229.7					396.5					263.7					221.8					303.1
Total liabilities and stockholders' equity			$	20,329.1				$	5,249.4				$	4,236.0				$	2,686.1				$	1,996.7
Excess funds provided (used)			—					1,906.5					2,305.8					754.4					560.9
No. of offices			47					10					16					9					3
No. of full-time equivalent employees			1,725					110					91					111					123
Income Statements:
Three Months Ended March 31, 2017:			(in thousands)
Net interest income (expense)			$	179,309				$	43,910				$	35,302				$	25,220				$	22,024
Provision for (recovery of) credit losses			4,250					14					(211		)			91					396
Net interest income (expense) after provision for credit losses			175,059					43,896					35,513					25,129					21,628
Non-interest income			10,599					1,107					2,107					721					2,238
Non-interest expense			(87,827		)			(18,618		)			(15,867		)			(12,701		)			(12,716		)
Income (loss) before income taxes			97,831					26,385					21,753					13,149					11,150
Income tax expense (benefit)			24,489					10,352					7,621					5,538					4,644
Net income (loss)			$	73,342				$	16,033				$	14,132				$	7,611				$	6,506

Western Alliance Bancorporation and Subsidiaries
Operating Segment Results
Unaudited
Balance Sheet:			National Business Lines
			HOA Services					Public & Nonprofit Finance					Technology & Innovation					Hotel Franchise Finance					Other NBLs					Corporate & Other
At December 31, 2017:			(dollars in millions)
Assets:
Cash, cash equivalents, and investment securities			$	—				$	—				$	—				$	—				$	—				$	4,223.0
Loans, net of deferred loan fees and costs			162.1					1,580.4					1,097.9					1,327.7					2,543.0					4.1
Less: allowance for credit losses			(1.6		)			(15.6		)			(11.4		)			(4.0		)			(25.0		)			(0.1		)
Total loans			160.5					1,564.8					1,086.5					1,323.7					2,518.0					4.0
Other assets acquired through foreclosure, net			—					—					—					—					—					12.7
Goodwill and other intangible assets, net			—					—					120.9					0.1					—					—
Other assets			0.9					17.9					6.0					5.9					15.5					628.1
Total assets			$	161.4				$	1,582.7				$	1,213.4				$	1,329.7				$	2,533.5				$	4,867.8
Liabilities:
Deposits			$	2,230.4				$	—				$	1,737.6				$	—				$	—				$	69.0
Borrowings and qualifying debt			—					—					—					—					—					766.9
Other liabilities			1.2					42.4					0.8					0.4					5.5					262.1
Total liabilities			2,231.6					42.4					1,738.4					0.4					5.5					1,098.0
Allocated equity:			59.4					126.5					244.1					108.3					206.0					300.3
Total liabilities and stockholders' equity			$	2,291.0				$	168.9				$	1,982.5				$	108.7				$	211.5				$	1,398.3
Excess funds provided (used)			2,129.6					(1,413.8		)			769.1					(1,221.0		)			(2,322.0		)			(3,469.5		)
No. of offices			1					1					9					1					4					(7		)
No. of full-time equivalent employees			65					10					62					12					38					1,103
Income Statement:
Three Months Ended March 31, 2017:			(in thousands)
Net interest income (expense)			$	12,748				$	6,485				$	18,166				$	13,580				$	14,143				$	(12,269	)
Provision for (recovery of) credit losses			127					510					296					—					3,527					(500		)
Net interest income (expense) after provision for credit losses			12,621					5,975					17,870					13,580					10,616					(11,769		)
Non-interest income			141					—					1,873					—					721					1,691
Non-interest expense			(7,146		)			(2,251		)			(8,778		)			(2,987		)			(4,735		)			(2,028		)
Income (loss) before income taxes			5,616					3,724					10,965					10,593					6,602					(12,106		)
Income tax expense (benefit)			2,106					1,402					4,112					3,972					2,476					(17,734		)
Net income (loss)			$	3,510				$	2,322				$	6,853				$	6,621				$	4,126				$	5,628

Western Alliance Bancorporation and Subsidiaries
Reconciliation of Non-GAAP Financial Measures
Unaudited
Operating Pre-Provision Net Revenue by Quarter:
			Three Months Ended
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(in thousands)
Total non-interest income			$	11,643				$	13,688				$	10,456				$	10,601				$	10,599
Less:
Gains (losses) on sales of investment securities, net			—					1,436					319					(47		)			635
Unrealized (losses) gains on assets measured at fair value, net			(1,074		)			—					—					—					(1		)
Total operating non-interest income			12,717					12,252					10,137					10,648					9,965
Plus: net interest income			214,220					211,029					201,583					192,743					179,309
Net operating revenue (1)			$	226,937				$	223,281				$	211,720				$	203,391				$	189,274
Total non-interest expense			$	98,149				$	95,398				$	89,296				$	88,420				$	87,827
Less:
Net (gain) loss on sales and valuations of repossessed and other assets			(1,228		)			(34		)			266					231					(543		)
Total operating non-interest expense (1)			$	99,377				$	95,432				$	89,030				$	88,189				$	88,370
Operating pre-provision net revenue (2)			$	127,560				$	127,849				$	122,690				$	115,202				$	100,904
Plus:
Non-operating revenue adjustments			(1,074		)			1,436					319					(47		)			634
Less:
Provision for credit losses			6,000					5,000					5,000					3,000					4,250
Non-operating expense adjustments			(1,228		)			(34		)			266					231					(543		)
Income tax expense			20,814					34,973					34,899					31,964					24,489
Net income			$	100,900				$	89,346				$	82,844				$	79,960				$	73,342
(1), (2) See Non-GAAP Financial Measures footnotes.

Western Alliance Bancorporation and Subsidiaries
Reconciliation of Non-GAAP Financial Measures
Unaudited
Tangible Common Equity:
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(dollars and shares in thousands)
Total stockholders' equity			$	2,293,763				$	2,229,698				$	2,145,627				$	2,058,674				$	1,968,992
Less: goodwill and intangible assets			300,350					300,748					301,157					301,645					302,133
Total tangible common equity			1,993,413					1,928,950					1,844,470					1,757,029					1,666,859
Plus: deferred tax - attributed to intangible assets			2,773					2,698					4,341					4,550					4,759
Total tangible common equity, net of tax			$	1,996,186				$	1,931,648				$	1,848,811				$	1,761,579				$	1,671,618
Total assets			$	20,760,731				$	20,329,085				$	19,922,221				$	18,844,745				$	18,122,506
Less: goodwill and intangible assets, net			300,350					300,748					301,157					301,645					302,133
Tangible assets			20,460,381					20,028,337					19,621,064					18,543,100					17,820,373
Plus: deferred tax - attributed to intangible assets			2,773					2,698					4,341					4,550					4,759
Total tangible assets, net of tax			$	20,463,154				$	20,031,035				$	19,625,405				$	18,547,650				$	17,825,132
Tangible common equity ratio (3)			9.8		%			9.6		%			9.4		%			9.5		%			9.4		%
Common shares outstanding			105,861					105,487					105,493					105,429					105,428
Tangible book value per share, net of tax (4)			$	18.86				$	18.31				$	17.53				$	16.71				$	15.86
(1), (2), (3), (4) See Non-GAAP Financial Measures footnotes.

Western Alliance Bancorporation and Subsidiaries
Reconciliation of Non-GAAP Financial Measures
Unaudited
Operating Efficiency Ratio by Quarter:
			Three Months Ended
			Mar 31, 2018					Dec 31, 2017					Sep 30, 2017					Jun 30, 2017					Mar 31, 2017
			(in thousands)
Total operating non-interest expense			$	99,377				$	95,432				$	89,030				$	88,189				$	88,370
Divided by:
Total net interest income			214,220					211,029					201,583					192,743					179,309
Plus:
Tax equivalent interest adjustment			5,727					11,023					10,837					10,453					9,676
Operating non-interest income			12,717					12,252					10,137					10,648					9,965
			$	232,664				$	234,304				$	222,557				$	213,844				$	198,950
Operating efficiency ratio - tax equivalent basis (5)			42.7		%			40.7		%			40.0		%			41.2		%			44.4		%
Operating efficiency ratio - adjusted (6)			41.7		%

(5) See Non-GAAP Financial Measures footnotes.

(6) The current period operating efficiency ratio is adjusted to exclude the effects from the TCJA of the lower statutory corporate federal tax rate on the calculation of the tax equivalent adjustment in order to be comparable to the prior periods.

Western Alliance Bancorporation and Subsidiaries
Reconciliation of Non-GAAP Financial Measures
Unaudited
Regulatory Capital:
			Mar 31, 2018					Dec 31, 2017
			(in thousands)
Common Equity Tier 1:
Common equity			$	2,293,763				$	2,229,698
Less:
Non-qualifying goodwill and intangibles			297,577					296,421
Disallowed deferred tax asset			832					638
AOCI related adjustments			(50,868		)			(9,496		)
Unrealized gain on changes in fair value liabilities			13,269					7,785
Common equity Tier 1 (6) (9)			$	2,032,953				$	1,934,350
Divided by: estimated risk-weighted assets (7) (9)			$	19,425,630				$	18,569,608
Common equity Tier 1 ratio (7) (9)			10.5		%			10.4		%
Common equity Tier 1 (6)(9)			2,032,953					1,934,350
Plus:
Trust preferred securities			81,500					81,500
Less:
Disallowed deferred tax asset			—					159
Unrealized gain on changes in fair value of liabilities			—					1,947
Tier 1 capital (7) (9)			$	2,114,453				$	2,013,744
Divided by: Tangible average assets			$	20,057,003				$	19,624,517
Tier 1 leverage ratio			10.5		%			10.3		%
Total Capital:
Tier 1 capital (6) (9)			$	2,114,453				$	2,013,744
Plus:
Subordinated debt			301,244					301,020
Qualifying allowance for credit losses			144,659					140,050
Other			7,183					6,174
Less: Tier 2 qualifying capital deductions			—					—
Tier 2 capital			$	453,086				$	447,244
Total capital			$	2,567,539				$	2,460,988
Total capital ratio			13.2		%			13.3		%
Classified assets to Tier 1 capital plus allowance for credit losses:
Classified assets			$	213,482				$	222,004
Divided by:
Tier 1 capital (7) (9)			2,114,453					2,013,744
Plus: Allowance for credit losses			144,659					140,050
Total Tier 1 capital plus allowance for credit losses			$	2,259,112				$	2,153,794
Classified assets to Tier 1 capital plus allowance (8) (9)			9.4		%			10.3		%
(6), (7), (8), (9) See Non-GAAP Financial Measures footnotes.

Non-GAAP Financial Measures Footnotes
(1)		We believe these non-GAAP measurements provide a useful indication of the cash generating capacity of the Company.
(2)		We believe this non-GAAP measurement is a key indicator of the earnings power of the Company.
(3)		We believe this non-GAAP ratio provides an important metric with which to analyze and evaluate financial condition and capital strength.
(4)		We believe this non-GAAP measurement improves the comparability to other institutions that have not engaged in acquisitions that resulted in recorded goodwill and other intangibles.
(5)		We believe this non-GAAP ratio provides a useful metric to measure the operating efficiency of the Company.
(6)		Under the current guidelines of the Federal Reserve and the Federal Deposit Insurance Corporation, common equity Tier 1 capital consists of common stock, retained earnings, and minority interests in certain subsidiaries, less most other intangible assets.
(7)		Common equity Tier 1 is often expressed as a percentage of risk-weighted assets. Under the risk-based capital framework, a bank's balance sheet assets and credit equivalent amounts of off-balance sheet items are assigned to one of the risk categories defined under new capital guidelines. The aggregated dollar amount in each category is then multiplied by the risk weighting assigned to that category. The resulting weighted values from each category are added together and this sum is the risk-weighted assets total that, as adjusted, comprises the denominator (risk-weighted assets) of the common equity Tier 1 ratio. Common equity Tier 1 is divided by the risk-weighted assets to determine the common equity Tier 1 ratio. We believe this non-GAAP ratio provides an important metric with which to analyze and evaluate financial condition and capital strength.
(8)		We believe this non-GAAP ratio provides an important regulatory metric to analyze asset quality.
(9)		Current quarter is preliminary until Call Report is filed.

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