Selected financial data

Selected financial data
Under IFRS2008
£000
2007
£000
2006
£000
2005
£000
2004
£000
Revenues298,934259,160263,254232,439152,897
Cost of revenues(32,878)(28,105)(30,877)(26,610)(12,240)
Gross profit266,056231,055232,377205,829140,657
Total net operating expenses(206,113)(191,361)(183,129)(170,672)(112,328)
Profit from operations59,94339,69449,24835,15728,329
Investment income, net3,2465,4026,7585,3176,944
Profit before tax63,18945,09656,00640,47435,273
Tax(19,597)(9,846)(7,850)(10,827)(9,398)
Profit for the year43,59235,25048,15629,64725,875
Dividends paid26,38318,54712,36710,4368,975
Capital expenditure8,7205,4448,5596,0645,036
Research and development expenditure87,58883,97784,88480,27354,674
Cash, short- and long-term investments78,78951,323128,494160,902142,817
Shareholders’ funds740,343579,162660,926746,847642,538
Employees at end of year (number)1,7401,7281,6591,3241,171

The following table shows non-GAAP measures used in this annual report, including reconciliations from the IFRS GAAP measures. They exclude acquisition-related charges, share-based compensation charges and restructuring charges, and profit on disposal or impairments of available-for-sale investments.

The following table shows non-GAAP measures used in this annual report
2008
£000
2007
£000
2006
£000
2005
£000
2004
£000
Profit from operations (per GAAP income statement)59,94339,69449,24835,15728,329
Operating margin20.1%15.3%18.7%15.1%18.5%
Acquisition-related charge – amortisation of intangibles19,60119,19519,33717,939511
Acquisition-related charge – other payments3821,7351,057
Share-based compensation and related payroll taxes15,90818,38717,44521,5088,210
Restructuring charges1,8721,037
Impairment of available-for-sale security2,100(5,270)(392)
Normalised profit from operations97,70682,14881,81774,60436,658
Normalised operating margin32.7%31.7%31.1%32.1%24.0%
Investment income, net3,2465,4026,7585,3176,944
Normalised profit before tax100,95287,55088,57579,92143,602
Tax (per GAAP income statement)(19,597)(9,846)(7,850)(10,827)(9,398)
Tax impact of above charges(8,524)(12,498)(10,350)(9,439)(1,270)
Normalised profit after tax72,83165,20670,37559,65532,934
Normalised EPS (pence)5.664.795.024.193.14
IFRS Diluted EPS (pence)3.392.593.432.082.47

Approximately 95% of the Group’s revenues are earned in US dollars. As such, dollar revenues are based on actual dollar invoicing where applicable, and using the rate of exchange on the date of the transaction for invoicing in currencies other than dollars.

Group’s revenues
2008
£000
2007
£000
2006
£000
2005
£000
2004
£000
Revenues (£’000)298,934259,160263,254232,439152,897
ARM’s effective exchange rate1.831.981.841.801.78
Revenues ($’000)546,211514,301483,637418,668272,410
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