Share-based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation Expense

	2014	2013	2012
	$’M	$’M	$’M
	____________	____________	____________
Cost of product sales	8.5	4.4	6.3
Research and development	22.2	22.8	25.8
Selling, general and administrative	35.9	46.9	55.0
Reorganization costs	30.4	3.3	-
	____________	____________	____________
Total	97.0	77.4	87.1
Less tax	(23.8)	(18.1)	(23.8)
	____________	____________	____________
	73.2	59.3	63.3
	____________	____________	____________

Share-based Awards Outstanding

	Compensation type	Number of awards*	Expiration period from date of issue	Vesting period
	____________	____________	____________	____________
Portfolio Share Plan - Part A	SARs	7,516,060	5 to 7 years	3 years cliff or graded vesting, subject to market or performance criteria for Executive Directors only
Sharesave Scheme	Stock options	108,479	6 months after vesting	3 or 5 years
Stock Purchase Plan	Stock options	120,977	On vesting date	1 to 5 years
Legacy Plans	Stock options	11,000	7 to 10 years	3 to 10 years, subject to market or performance criteria
		__________________
Stock-settled SARs and stock options		7,756,516
		__________________
Portfolio Share Plan - Part B	Performance share awards	2,166,181	3 years	3 years cliff or graded vesting, subject to market or performance criteria for Executive Directors only
		__________________
Performance share awards		2,166,181
		__________________

Summary of Status of Stock Appreciation Rights and Stock Options

	Weighted average exercise price
Year to December 31, 2014	£	Number of	Intrinsic value
		shares*	£’ M
	_______________	_______________	_______________
Outstanding as at beginning of period	18.88	15,029,182
Granted	35.38	1,762,767
Exercised	36.77	(7,393,055)
Forfeited	23.15	(1,642,378)
	_______________	_______________	________________
Outstanding as at end of period	33.27	7,756,516	93.5
	_______________	_______________	________________
Exercisable as at end of period	25.51	1,940,522	38.5
	_______________	_______________	________________

Schedule of Stock Appreciation Rights and Stock Options Outstanding, by Exercise Price Range

Number of awards outstanding*	Exercise prices	Weighted Average remaining contractual term (Years)	Weighted average exercise price of awards outstanding	Number of awards exercisable	Weighted average exercise price of awards exercisable
	£		£		£
________________	______________	__________	_______________	_____________	_____________
182,252	3.38-14.00	2.1	13.56	180,754	13.21
5,851,309	14.01-28.00	4.6	20.14	1,723,401	19.02
1,722,955	28.01-53.87	5.4	30.60	36,367	33.31
________________				_____________
7,756,516				1,940,522
________________				_____________

Schedule of Performance Share Awards

Performance share awards	Number of shares*	Aggregate intrinsic value £’M	Weighted average remaining life
	_______________	_______________	_______________
Outstanding as at beginning of period	2,701,299
Granted	1,260,282
Exercised	(1,324,169)
Forfeited	(471,231)
	_______________
Outstanding as at end of period	2,166,181	98.2	5.5
	_______________	_______________	________________
Exercisable as at end of period	-	N/A	N/A
	_______________	_______________	_______________

Schedule of Share-based Payment Award, Valuation Assumptions

Period ended December 31,	2014	2013	2012
	______________	______________	______________
Risk-free interest rate1	0.3-1.8%	0.1-0.9%	0.2-1%
Expected dividend yield	0.2-0.4%	0.4-0.6%	0-0.6%
Expected life	1-4 years	1-4 years	1-4 years
Volatility	23-27%	23-26%	24-32%
Forfeiture rate	5-7%	5-9%	5-7%