BUSINESS COMBINATIONS

All business combinations are accounted for using the acquisition method of accounting and, accordingly, assets acquired and liabilities assumed, both tangible and intangible, and consideration exchanged were recorded at acquisition date fair values. The excess cost over fair value of net assets acquired is recorded as goodwill. In the event that the fair value of net assets acquired exceeds the purchase price, including fair value of liabilities assumed, a bargain purchase gain is recorded on the acquisition. Fair values are preliminary and subject to refinement for up to one year after the closing date of the acquisition as additional information regarding the closing date fair values becomes available.

Acquisition of Starbuck Bancshares, Inc.

Effective as of the close of business on October 1, 2015, the Company acquired Starbuck Bancshares, Inc. and its subsidiary, AmericanWest Bank (AmericanWest), a Washington state chartered commercial bank headquartered in Spokane, Washington with 98 branches serving markets in Washington, Oregon, Idaho, California and Utah. On that date, Starbuck merged with and into Banner and AmericanWest merged with and into Banner Bank. The merged banks are operating as Banner Bank. Pursuant to the previously announced terms of the merger, the equity holders of Starbuck received an aggregate of $130.0 million in cash and 13.23 million shares of Banner voting common stock and nonvoting common stock. The acquisition provided $4.46 billion in assets, $3.64 billion in deposits and $3.00 billion in loans to Banner. At the closing date, the combined company had approximately $9.9 billion in assets and 203 branches.

The application of the acquisition method of accounting resulted in recognition of a CDI asset of $33.5 million and goodwill of $223.1 million. The acquired CDI has been determined to have a useful life of approximately ten years and will be amortized on an accelerated basis. Goodwill is not amortized but will be evaluated for impairment on an annual basis or more often if circumstances dictate to determine if the carrying value remains appropriate. Goodwill will not be deductible for income tax purposes as the acquisition is accounted for as a tax-free exchange for tax purposes.

The following table presents a summary of the consideration paid and the estimated fair values as of the acquisition date for each major class of assets acquired and liabilities assumed (in thousands):



	Starbuck
	October 1, 2015
Consideration to Starbuck equityholders:
Cash paid			$	130,000
Fair value of common shares issued			630,674
Total consideration			760,674
Fair value of assets acquired:
Cash and cash equivalents	$	95,821
Securities	1,037,238
Loans receivable (contractual amount of $3.04 billion)	2,999,130
REO, held for sale	6,105
Property and equipment	66,728
CDI	33,500
Deferred tax asset	108,454
Other assets	112,782
Total assets acquired	4,459,758
Fair value of liabilities assumed:
Deposits	3,638,596
FHLB advances	221,442
Junior subordinated debentures	5,806
Other liabilities	56,359
Total liabilities assumed	3,922,203
Net assets acquired			537,555
Goodwill			$	223,119

Acquired goodwill represents the premium the Company paid over the fair value of the net tangible and intangible assets acquired. The acquisition complemented the Company's growth strategy, including expanding our geographic footprint in markets throughout the Northwest, Utah and California. The Company paid this premium for a number of reasons, including growing the Company's customer base, acquiring assembled workforces, and expanding its presence in new markets. See Note 7, Goodwill, Other Intangible Assets and Mortgage Servicing Rights for the accounting for goodwill and other intangible assets.

Amounts recorded are preliminary estimates of fair value. Additional adjustments to the acquisition accounting may be required and would most likely involve loans, or property and equipment, or the deferred tax asset. As of October 1, 2015, the unpaid principal balance on purchased non-credit-impaired loans was $2.95 billion. The fair value of the purchased non-credit-impaired loans was $2.94 billion, resulting in a discount of $17.7 million recorded on these loans. The principal cash flows not expected to be collected on these loans was estimated to be $44.1 million. This discount is being accreted into income over the life of the loans on an effective yield basis.

The following table presents the acquired purchased credit-impaired loans as of the acquisition date (in thousands):



	Starbuck
	October 1, 2015
Acquired PCI loans:
Contractually required principal and interest payments	$	98,746
Nonaccretable difference	(26,162		)
Cash flows expected to be collected	72,584
Accretable yield	(11,071		)
Fair value of PCI loans	$	61,513

The following table presents certain unaudited pro forma information for illustrative purposes only, for the three months ended March 31, 2016 and 2015 as if Starbuck had been acquired on January 1, 2014. This unaudited estimated pro forma financial information combines the historical results of Starbuck with the Company’s consolidated historical results. Pro forma adjustments include accretion of loan discount, accretion of investment premiums, amortization of deposit premium, amortization of CDI, reversal of acquisition expense, and reversal of historical recorded amounts for similar items, with all adjustments tax effected. The pro forma information is not indicative of what would have occurred had the acquisition actually occurred on January 1, 2014. In particular, no adjustments have been made to eliminate the impact of other-than-temporary impairment losses and losses recognized on the sale of securities that may not have been necessary had the investment securities been recorded at fair value as of January 1, 2014. The unaudited pro forma information does not consider any changes to the provision for credit losses resulting from recording loan assets at fair value. Additionally, Banner expects to achieve further operating cost savings and other business synergies, including revenue growth, as a result of the acquisition which are not reflected in the pro forma amounts that follow. As a result, actual amounts would have differed from the unaudited pro forma information presented (in thousands except per share amounts):



	Pro Forma
	Three months ended
	March 31, 2015
Total revenues (net interest income plus non-interest income)	$	113,926
Net income	$	19,924
Earnings per share - basic	$	0.61
Earnings per share - diluted	$	0.61

The operating results of the Company include the operating results produced by the acquired assets and assumed liabilities of Starbuck since October 2, 2015. Disclosure of the amount of Starbuck's revenue and net income (excluding integration costs) included in the Company’s Consolidated Statements of Operations is impracticable due to the integration of the operations, systems and accounting for this acquisition occurring in different stages.

Acquisition of Siuslaw Financial Group, Inc.

Effective as of the close of business on March 6, 2015, the Company completed the acquisition of Siuslaw, the holding company of Siuslaw Bank. Siuslaw merged with and into the Company and, immediately following, Siuslaw Bank merged with and into Banner Bank. Siuslaw shareholders received 0.32231 shares of the Company's common stock and $1.41622 in cash in exchange for each share of Siuslaw common stock. The acquisition provided $369.8 million in assets, $316.4 million in deposits and $247.1 million in loans.

The application of the acquisition method of accounting resulted in recognition of a CDI asset of $3.9 million and goodwill of $21.7 million. The acquired CDI has been determined to have a useful life of approximately eight years and will be amortized on an accelerated basis. Goodwill is not amortized but will be evaluated for impairment on an annual basis or more often if circumstances dictate to determine if the carrying value remains appropriate. Goodwill will not be deductible for income tax purposes as the acquisition is accounted for as a tax-free exchange for tax purposes.



	Siuslaw
	March 6, 2015
Consideration to Siuslaw shareholders:
Cash paid			$	5,806
Fair value of common shares issued			58,100
Total consideration			63,906
Fair value of assets acquired:
Cash and cash equivalents	$	84,405
Securities—available-for-sale	12,865
Loans receivable (contractual amount of $252.2 million)	247,098
REO, held for sale	2,525
Property and equipment	8,127
Core deposit intangible	3,895
Other assets	10,848
Total assets acquired	369,763
Fair value of liabilities assumed:
Deposits	316,406
Junior subordinated debentures	5,959
Other liabilities	5,183
Total liabilities assumed	327,548
Net assets acquired			42,215
Goodwill			$	21,691

Acquired goodwill represents the premium the Company paid over the fair value of the net tangible and intangible assets acquired. The acquisition complemented the Company's growth strategy, including expanding our geographic footprint in markets throughout the Northwest. The Company paid this premium for a number of reasons, including growing the Company's customer base, acquiring assembled workforces, and expanding its presence in new markets. See Note 7, Goodwill, Other Intangible Assets and Mortgage Servicing Rights for the accounting for goodwill and other intangible assets.

As of March 6, 2015, the unpaid principal balance on purchased non-credit-impaired loans was $244.2 million. The fair value of the purchased non-credit-impaired loans was $241.4 million, resulting in a discount of $2.8 million recorded on these loans. This discount is being accreted into income over the life of the loans on an effective yield basis.

The following table presents the acquired purchased credit-impaired loans as of the acquisition date (in thousands):



	Siuslaw
	March 6, 2015
Acquired purchased credit-impaired loans:
Contractually required principal and interest payments	$	11,134
Nonaccretable difference	(3,238		)
Cash flows expected to be collected	7,896
Accretable yield	(2,239		)
Fair value of purchased credit-impaired loans	$	5,657

The following table presents certain unaudited pro forma information for illustrative purposes only, for the three months ended March 31, 2015 as if Siuslaw had been acquired on January 1, 2014. This unaudited estimated pro forma financial information combines the historical results of Siuslaw with the Company’s consolidated historical results. Pro forma adjustments include accretion of loan discount, accretion of investment premiums, amortization of deposit premium, amortization of CDI, reversal of acquisition expense, and reversal of historical recorded amounts for similar items, with all adjustments tax effected. The pro forma information is not indicative of what would have occurred had the acquisition actually occurred on January 1, 2014. In particular, no adjustments have been made to eliminate the impact of other-than-temporary impairment losses and losses recognized on the sale of securities that may not have been necessary had the investment securities been recorded at fair value as of January 1, 2014. The unaudited pro forma information does not consider any changes to the provision for credit losses resulting from recording loan assets at fair value. Additionally, Banner expects to achieve further operating cost savings and other business synergies, including revenue growth, as a result of the acquisition which are not reflected in the pro forma amounts that follow. As a result, actual amounts would have differed from the unaudited pro forma information presented (in thousands except per share amounts):



	Pro Forma
	Three Months Ended March 31,
	2015
Total revenues (net interest income plus non-interest income)	$	66,453
Net income	$	10,582
Earnings per share - basic	$	0.51
Earnings per share - diluted	$	0.51

The operating results of the Company include the operating results produced by the acquired assets and assumed liabilities of Siuslaw since March 7, 2015. Disclosure of the amount of Siuslaw’s revenue and net income (excluding integration costs) included in the Company’s Consolidated Statements of Operations is impracticable due to the integration of the operations and accounting for this acquisition.

Acquisition-Related Costs

The following tables present the key components of acquisition-related costs in connection with the acquisition of Siuslaw and the acquisition of Starbuck, including AmericanWest, for the three months ended March 31, 2016 and 2015 (in thousands):



	Three Months Ended March 31,
	2016		2015
Acquisition-related costs recognized in non-interest expenses:
Personnel severance/retention fees	$	1,313	$	—
Branch consolidation and other occupancy expenses	1,949		24
Client communications	251		66
Information/computer data services	1,417		40
Professional services	852		1,280
Miscellaneous	1,031		238
	$	6,813	$	1,648

Siuslaw	$	—	$	670
Starbuck	6,813		978
	$	6,813	$	1,648