Exhibit 99.3

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

On April 1, 2011, Bottomline Technologies, Inc. (the “Company” or “Bottomline”) acquired LAS Holdings, Inc. a Delaware corporation doing business as Allegient Systems, Inc. (“Allegient”) for a cash payment of $49.6 million, which consisted of a base purchase price of $48 million plus the impact of certain balance sheet adjustments as stipulated in the merger agreement. The ultimate purchase price remains subject to final balance sheet adjustments which are expected to be finalized by June 30, 2011 and are not projected to be material. Allegient is a provider of advanced capabilities for legal e-billing, bill review and analytics. Allegient’s proprietary Software as a Service (“SaaS”) platform and value-added turnkey solutions will complement and extend the Company’s Legal eXchange portfolio, offering the combined customer base of more than 100 leading insurers enhanced capabilities to effectively manage their legal expenses.

The unaudited pro forma condensed combined balance sheet as of March 31, 2011 was prepared as if the acquisition had occurred on that date and combines the historical consolidated balance sheets of the Company and Allegient as of that date. The unaudited pro forma condensed combined statements of operations for the twelve months ended June 30, 2010 and the nine months ended March 31, 2011 were prepared as if the acquisition had occurred at the beginning of each of those periods and combines the historical consolidated statements of operations of the Company and Allegient for the twelve and nine month periods then ended.

The unaudited pro forma condensed combined financial statements have been prepared for informational purposes only, to show the effect of the combination of the Company and Allegient on a historical basis. These financial statements do not purport to be indicative of the financial position or results of operations that would have actually occurred had the business combination been in effect at those dates, nor do they project the results of operations or financial position for any future period or date.

The unaudited pro forma condensed combined financial statements do not reflect any adjustments for non-recurring items or anticipated synergies resulting from the acquisition. The purchase price allocation is not finalized, as the Company was still in the process of obtaining fair value estimates of assets acquired (including intangible assets) and liabilities assumed as of the date of this filing. Accordingly, the Company has prepared the pro forma adjustments based on assumptions that it believes are reasonable but that are likely to change as additional information becomes available and the preliminary purchase price allocation is finalized.

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UNAUDITED PRO FORMA CONDENSED COMBINED BALANCE SHEET

March 31, 2011

(in thousands)

	Historical Bottomline			Historical Allegient			Pro Forma Adjustments			Pro Forma Combined
Assets
Current Assets:
Cash and marketable securities	$	147,441		$	4,508		$	(49,617	)(A)	$	102,332
Accounts receivable, net		36,625			2,536						39,161
Other current assets		8,566			274						8,840
Total current assets		192,632			7,318			(49,617	)		150,333
Property and equipment, net		13,996			1,336			(26	)(B)		15,306
Goodwill		77,046						22,154	(C)		99,200
Intangible assets, net		38,881						38,000	(C)		76,881
Other assets		623			880						1,503
Total assets	$	323,178		$	9,534		$	10,511		$	343,223
Liabilities and Stockholders’ Equity
Current Liabilities:
Accounts payable	$	8,622		$	286					$	8,908
Accrued expenses		14,732			1,869			2,429	(D)		19,030
Accrued management fees		—			1,583			(1,583	)(E)		—
Deferred revenue and deposits		40,506									40,506
Total current liabilities		63,860			3,738			846			68,444
Deferred revenue, non current		2,970									2,970
Deferred income taxes		4,473						15,200	(F)		19,673
Other liabilities		2,000			251			10	(G)		2,261
Total liabilities		73,303			3,989			16,056			93,348
Stockholders’ equity:
Preferred stock		—			5,929			(5,929	)(H)		—
Common stock		34			6			(6	)(H)		34
Additional paid-in-capital		402,573			8,821			(8,821	)(H)		402,573
Accumulated other comprehensive loss		(4,462	)		—			—			(4,462	)
Treasury stock		(20,779	)		—			—	(H)		(20,779	)
Accumulated deficit		(127,491	)		(9,211	)		9,211	(H)		(127,491	)
Total stockholders’ equity		249,875			5,545			(5,545	)		249,875
Total liabilities and stockholders’ equity	$	323,178		$	9,534		$	10,511		$	343,223

See accompanying notes

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UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS

YEAR ENDED JUNE 30, 2010

(in thousands except per share amounts)

	Historical Bottomline			Historical Allegient		Pro Forma Adjustments			Pro Forma Combined
Revenues:
Software licenses	$	13,607							$	13,607
Subscriptions and transactions		41,421			13,138					54,559
Service and maintenance		94,379								94,379
Equipment and supplies		8,583								8,583
Total revenues		157,990			13,138					171,128
Cost of revenues:
Software licenses		1,082								1,082
Subscriptions and transactions		20,552			4,707					25,259
Service and maintenance		40,772								40,772
Equipment and supplies		6,515								6,515
Total cost of revenues		68,921			4,707					73,628
Gross profit		89,069			8,431					97,500
Operating expenses:
Sales and marketing		34,013			2,627					36,640
Product development and engineering		18,858			880					19,738
General and administrative		16,383			2,048					18,431
Depreciation		—			221					221
Amortization of intangible assets		13,214			179		3,732	(I)		17,125
Total operating expenses		82,468			5,955		3,732			92,155
Income from operations		6,601			2,476		(3,732	)		5,345
Other (expense) income, net		(93	)		4		(234	)(J)		(323	)
Income before provision for income taxes		6,508			2,480		(3,966	)		5,022
Provision for income taxes		2,554			410		(1,586	)(K)		1,378
Net income	$	3,954		$	2,070	$	(2,380	)	$	3,644
Basic and diluted net income per common share	$	0.15							$	0.14
Shares used in computing basic net income per share		25,552			—		—			25,552
Shares used in computing diluted net income per share		26,696			—		—			26,696

See accompanying notes

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UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS

NINE MONTHS ENDED MARCH 31, 2011

(in thousands except per share amounts)

	Historical Bottomline		Historical Allegient		Pro Forma Adjustments			Pro Forma Combined
Revenues:
Software licenses	$	11,702						$	11,702
Subscriptions and transactions		38,051		11,796					49,847
Service and maintenance		79,124							79,124
Equipment and supplies		6,255							6,255
Total revenues		135,132		11,796					146,928
Cost of revenues:
Software licenses		873							873
Subscriptions and transactions		20,789		4,227					25,016
Service and maintenance		34,249							34,249
Equipment and supplies		4,820							4,820
Total cost of revenues		60,731		4,227					64,958
Gross profit		74,401		7,569					81,970
Operating expenses:
Sales and marketing		28,251		2,234					30,485
Product development and engineering		16,655		937					17,592
General and administrative		14,408		1,709					16,117
Depreciation		—		203					203
Amortization of intangible assets		8,572		198		2,799	(I)		11,569
Total operating expenses		67,886		5,281		2,799			75,966
Income from operations		6,515		2,288		(2,799	)		6,004
Other income, net		448		8		(175	)(J)		281
Income before provision for income taxes		6,963		2,296		(2,974	)		6,285
Provision for income taxes		1,128		834		(1,190	)(K)		772
Net income	$	5,835	$	1,462	$	(1,784	)	$	5,513
Basic net income per common share	$	0.19						$	0.18
Diluted net income per common share	$	0.18						$	0.17
				—		—			—
Shares used in computing basic net income per share		31,367		—		—			31,367
Shares used in computing diluted net income per share		33,127							33,127

See accompanying notes

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NOTES TO THE UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

1. Pro Forma Adjustments (dollar amounts in thousands):

The following pro forma adjustments are included in the unaudited pro forma condensed combined balance sheet:

(A) To record cash paid by Bottomline as purchase consideration to the selling stockholders of Allegient. The purchase consideration of $49.6 million was derived from the base purchase price of $48 million, adjusted for Allegient’s cash position (an increase to the base purchase price), debt position (a decrease to the base purchase price) and a working capital adjustment (a decrease to the base purchase price) in each case measured as of the acquisition date and as defined in the merger agreement. The ultimate purchase price is subject to final balance sheet adjustments which are expected to be finalized by June 30, 2011 and are not projected to be material.

(B) To reflect fair value adjustments for acquired property, plant and equipment.

(C) To reflect intangible assets arising from the acquisition, as follows:

Tradename	$	242
Technology		8,487
Customer related assets		29,271
Goodwill		22,154
	$	60,154

The valuation of the acquired intangible assets has not been finalized by Bottomline and these intangible asset values are likely to change in the final purchase price allocation.

(D) To record payroll tax liabilities associated with the exercise and sale of employee stock options and the sale of employee-held shares of Allegient common stock, at acquisition closing.

(E) To reflect settlement of accrued management fees due to principal selling stockholders of Allegient, at acquisition closing.

(F) To record the adjustment for deferred tax liabilities arising in the acquisition. The deferred tax liabilities relate to intangible assets that will be amortized for financial reporting purposes but that will not be deductible for tax return purposes.

(G) To reflect fair value adjustments for capital lease obligations assumed in the acquisition.

(H) To record the elimination of the historical stockholders equity of Allegient.

The following pro forma adjustments are included in the unaudited pro forma condensed combined statement of operations:

(I) To record additional amortization expense related to intangible assets arising in the Allegient acquisition. The valuation of the acquired intangible assets has not been finalized by Bottomline and the asset values and the estimated asset lives are likely to change in the final purchase price allocation. Further, pro forma amortization expense has been calculated herein using the straight line method. Upon completion of the valuation process, the Company may conclude that the intangible assets should be amortized on a basis other than straight line. For purposes of the pro forma adjustments presented, we have used the following estimated asset lives:

Tradename	3 years
Technology	7 years
Customer related assets	12 years

(J) To record a reduction in interest income as a result of the cash consideration paid by Bottomline. The pro forma impact on interest income is based on the actual interest income yield experienced by Bottomline during fiscal 2010.

(K) To record the estimated tax impact of the pro forma adjustments at the statutory tax rates (federal and state) in effect for the historical periods presented.

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