The tables on the pages following summarize the impact of adopting ASC 606 on the consolidated financial statements for the three and six months ended June 30, 2018.

ICON plc

CONDENSED CONSOLIDATED BALANCE SHEETS

AS AT JUNE 30, 2018 (UNAUDITED)



	June 30, 2018
	As reported			Adjustments			Balance without adoption of Topic 606
ASSETS	(in thousands)
Current Assets:
Cash and cash equivalents	$	289,219		$	—		$	289,219
Short term investments - available for sale	83,777			—			83,777
Accounts receivable, net	404,572			—			404,572
Unbilled revenue	274,501			44,829			319,330
Other receivables	48,068			(12,330		)	35,738
Prepayments and other current assets	24,038			—			24,038
Income taxes receivable	24,475			—			24,475
Total current assets	1,148,650			32,499			1,181,149

Other Assets:
Property, plant and equipment, net	155,020			—			155,020
Goodwill	759,137			—			759,137
Other non-current assets	15,715			—			15,715
Non-current income taxes receivable	18,180			—			18,180
Non-current deferred tax asset	17,420			(6,276		)	11,144
Intangible assets	60,374			—			60,374
Total Assets	$	2,174,496		$	26,223		$	2,200,719
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current Liabilities:
Accounts payable	$	15,123		$	—		$	15,123
Payments on account	326,741			(25,100		)	301,641
Other liabilities	192,339			—			192,339
Income taxes payable	14,049			885			14,934
Total current liabilities	548,252			(24,215		)	524,037
Other Liabilities:
Non-current bank credit lines and loan facilities	349,074			—			349,074
Non-current other liabilities	16,179			—			16,179
Non-current government grants	908			—			908
Non-current income taxes payable	13,622			—			13,622
Non-current deferred tax liability	7,713			—			7,713
Commitments and contingencies	—			—			—
Total Liabilities	935,748			(24,215		)	911,533
Shareholders' Equity:
Ordinary shares, par value 6 euro cents per share; 100,000,000 shares authorized,
54,327,869 shares issued and outstanding at June 30, 2018 and
54,081,601 shares issued and outstanding at December 31, 2017	4,684			—			4,684
Additional paid‑in capital	508,195			—			508,195
Other undenominated capital	945			—			945
Accumulated other comprehensive income	(65,522		)	—			(65,522		)
Retained earnings	790,446			50,438			840,884
Total Shareholders' Equity	1,238,748			50,438			1,289,186
Total Liabilities and Shareholders' Equity	$	2,174,496		$	26,223		$	2,200,719

ICON plc

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2018

UNAUDITED)



	Three Months Ended									Six Months Ended
	June 30, 2018			June 30, 2018			June 30, 2018			June 30, 2018			June 30, 2018			June 30, 2018
	As reported			Adjustments			Balance without adoption of Topic 606			As reported			Adjustments			Balance without adoption of Topic 606
	(in thousands except share and per share data)									(in thousands except share and per share data)
Revenue:
Revenue	$	641,610		$	1,614		$	643,224		$	1,261,735		$	2,845		$	1,264,580
Reimbursable expenses	—			(169,313		)	$	(169,313	)	—			(328,066		)	$	(328,066	)

				(167,699		)	473,911						(325,221		)	936,514

Costs and expenses:
Direct costs
- Reimbursable expenses	169,313			(169,313		)	—			328,066			(328,066		)	—
- Other direct costs	279,913			—			279,913			551,752			—			551,752
Selling, general and administrative expense	80,936			62			80,998			161,851			222			162,073
Depreciation and amortization	17,046			—			17,046			33,944			—			33,944
Restructuring	12,490			—			12,490			12,490			—			12,490

Total costs and expenses	559,698			(169,251		)	390,447			1,088,103			(327,844		)	760,259

Income from operations	81,912			1,552			83,464			173,632			2,623			176,255
Interest income	1,017			—			1,017			1,840			—			1,840
Interest expense	(3,302		)	—			(3,302		)	(7,097		)	—			(7,097		)

Income before provision for income taxes	79,627			1,552			81,179			168,375			2,623			170,998
Provision for income taxes	(7,759		)	(155		)	(7,914		)	(18,409		)	(289		)	(18,698		)

Net income	$	71,868		$	1,397		$	73,265		$	149,966		$	2,334		$	152,300

ICON plc

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

FOR THE SIX MONTHS ENDED JUNE 30, 2018 (UNAUDITED)



	Six Months Ended
	June 30, 2018
	As Reported			Adjustments			Balance without adoption of Topic 606
	(in thousands)
Cash flows from operating activities:
Net income	$	149,966		$	2,334		$	152,300
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of property, plant and equipment	2			—			2
Depreciation expense	23,779			—			23,779
Amortization of intangibles	10,165			—			10,165
Amortization of government grants	(24		)	—			(24		)
Interest on short term investments	(712		)	—			(712		)
Stock compensation expense	16,430			—			16,430
Amortization of gain on interest rate hedge	(463		)	—			(463		)
Amortization of financing costs	530			—			530
Deferred taxes	(2,745		)	6,276			3,531
Changes in assets and liabilities:
Increase in accounts receivable	(26,685		)	—			(26,685		)
Increase in unbilled revenue	(51,052		)	3,275			(47,777		)
(Increase)/decrease in other receivables	(5,082		)	12,330			7,248
Decrease in prepayments and other current assets	9,777			—			9,777
Increase in other non-current assets	(338		)	—			(338		)
Increase in payments on account	2,616			(25,100		)	(22,484		)
Decrease in other current liabilities	(38,547		)	—			(38,547		)
Decrease in other non-current liabilities	(1,083		)	—			(1,083		)
Decrease in income taxes payable	(3,622		)	885			(2,737		)
Decrease in accounts payable	(3,241		)	—			(3,241		)
Net cash provided by operating activities	79,671			—			79,671
Cash flows from investing activities:
Purchase of property, plant and equipment	(17,219		)	—			(17,219		)
Purchase of subsidiary undertakings	(1,645		)	—			(1,645		)
Purchase of short term investments	(55,608		)	—			(55,608		)
Sale of short term investments	49,708			—			49,708
Net cash used in investing activities	(24,764		)	—			(24,764		)
Cash flows from financing activities:
Financing costs	(823		)	—			(823		)
Proceeds from exercise of equity compensation	10,334			—			10,334
Share issue costs	(9		)	—			(9		)
Repurchase of ordinary shares	(54,172		)	—			(54,172		)
Share repurchase costs	(44		)	—			(44		)
Net cash used in financing activities	(44,714		)	—			(44,714		)
Effect of exchange rate movements on cash	(3,833		)				(3,833		)
Net increase in cash and cash equivalents	6,360			—			6,360
Cash and cash equivalents at beginning of period	282,859						282,859
Cash and cash equivalents at end of period	$	289,219		$	—		$	289,219

ICON plc

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME

(UNAUDITED)



	Shares		Amount			Additional Paid-in Capital			Other Undenominated Capital		Accumulated Other Comprehensive Income			Retained Earnings			Total
	(dollars in thousands, except share data)
Balance at December 31, 2017	54,081,601		$	4,664		$	481,337		$	912	$	(38,713	)	$	742,800		$	1,191,000

Comprehensive income:
Net income (as reported)	—		—			—			—		—			149,966			149,966
Impact of change in accounting policy	—		—			—			—		—			2,334			2,334
Currency translation adjustment	—		—			—			—		(20,813		)				(20,813		)
Currency impact of long term funding	—		—			—			—		(3,055		)	—			(3,055		)
Tax on currency impact of long term funding	—		—			—			—		—			—			—
Unrealized capital gain – investments	—		—			—			—		(423		)	—			(423		)
Amortization of interest rate hedge	—		—			—			—		(463		)	—			(463		)
Fair value of cash flow hedge	—		—			—			—		(2,055		)	—			(2,055		)

Total comprehensive income	—		—			—			—		(26,809		)	152,300			125,491

Exercise of share options	226,888		17			10,284			—		—			—			10,301
Issue of restricted share units	483,435		36			—			—		—			—			36
Non-cash stock compensation expense	—		—			16,583			—		—			—			16,583
Share issuance costs	—		—			(9		)	—		—			—			(9		)
Share repurchase program	(464,055	)	(33		)	—			33		—			(54,172		)	(54,172		)
Share repurchase costs	—		—			—			—		—			(44		)	(44		)

Balance at June 30, 2018 (without the adoption of ASC 606)	54,327,869		$	4,684		$	508,195		$	945	$	(65,522	)	$	840,884		$	1,289,186