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Authorised and issued share capital (Tables)

12 Months Ended

Dec. 31, 2018

Statement [LineItems]

Summary of Authorised and Issued Share Capital

Equity ordinary shares				Nominal value £m
Authorised
At 1 January 2016			1,750,000,000				175.0
At 31 December 2016			1,750,000,000				175.0
At 31 December 2017			1,750,000,000				175.0
At 31 December 2018			1,750,000,000				175.0
Issued and fully paid
At 1 January 2016			1,329,366,024				132.9
Exercise of share options			2,514,706				0.3
At 31 December 2016			1,331,880,730				133.2
Exercise of share options			630,822				0.1
At 31 December 2017			1,332,511,552				133.3
Exercise of share options			166,675				–
At 31 December 2018			1,332,678,227				133.3

Movements and Weighted-average Exercise Price for Options Granted

Movements on options granted (represented in ordinary shares)

		1 January 2018				Granted				Exercised				Lapsed				Outstanding 31 December 2018				Exercisable 31 December 2018
WPP			6,741				–				–				–				6,741				6,741
WWOP			6,375,750				–				(166,675	)			(688,301	)			5,520,774				5,520,774
WSOP			14,602,950				6,301,400				–				(2,213,250	)			18,691,100				3,403,650
			20,985,441				6,301,400				(166,675	)			(2,901,551	)			24,218,615				8,931,165

Weighted-average exercise price for options over

		1 January 2018				Granted				Exercised				Lapsed				Outstanding 31 December 2018				Exercisable 31 December 2018
Ordinary shares (£)
WPP			9.355				–				–				–				9.355				9.355
WWOP			12.195				–				7.064				12.473				12.290				12.290
WSOP			14.929				8.372				–				14.818				12.753				15.150
ADRs ($)
WWOP			94.752				–				57.031				99.731				95.453				95.453
WSOP			101.047				53.140				–				98.978				84.893				115.940

Range of Exercise Prices of Options

Options over ordinary shares

Outstanding

Range of exercise prices £		Weighted average exercise price £		Weighted average contractual life Months
5.483 – 17.055		12.656		96

Options over ADRs

Outstanding

Range of exercise prices $		Weighted average exercise price $		Weighted average contractual life Months
44.560 – 115.940		87.703		93

Weighted Average Fair Value of Options Granted and Weighted Average Assumptions

The weighted average fair value of options granted in the year calculated using the Black-Scholes model was as follows:

		2018				2017				2016
Fair value of UK options (shares)			107.0p				112.0p				135.0p
Fair value of US options (ADRs)			$8.09				$9.40				$9.94
Weighted average assumptions:
UK Risk-free interest rate			0.78%				0.57%				0.44%
US Risk-free interest rate			2.74%				2.05%				1.60%
Expected life (months)			48				48				48
Expected volatility			24%				17%				16%
Dividend yield			3.5%				2.9%				2.8%

WPP Executive Share Option Scheme [member]

Statement [LineItems]

Options Granted

As at 31 December 2018, unexercised options over ordinary shares of 6,741 have been granted under the WPP Executive Share Option Scheme as follows:

Number of ordinary shares under option		Exercise price per share (£)				Exercise dates
3,696			8.333				2015 -  2022
3,045			10.595				2016 -  2023

WPP Worldwide Share Ownership Program [member]

Statement [LineItems]

Options Granted

As at 31 December 2018, unexercised options over ordinary shares of 3,187,979 and unexercised options over ADRs of 466,559 have been granted under the WPP Worldwide Share Ownership Programme as follows:

Number of ordinary shares under option		Exercise price per share (£)				Exercise dates
28,275			5.483				2012 - 2019
18,000			5.483				2013 - 2019
750			5.608				2012 - 2019
95,000			6.268				2014 - 2021
44,125			6.268				2015 - 2021
61,625			7.113				2013 - 2020
30,250			7.113				2014 - 2020
233,129			8.458				2015 - 2022
52,000			13.145				2017 - 2021
1,959,975			13.145				2017 - 2024
4,750			13.145				2018 - 2024
642,975			13.505				2016 - 2023
17,125			13.505				2017 - 2023

Number of ADRs under option		Exercise price per ADR ($)				Exercise dates
11,855			44.560				2012 - 2019
29,025			49.230				2014 - 2021
19,200			56.560				2013 - 2020
44,964			67.490				2015 - 2022
195,890			102.670				2017 - 2024
165,625			110.760				2016 - 2023

WPP Share Option Plan 2015 [member]

Statement [LineItems]

Options Granted

As at 31 December 2018, unexercised options over ordinary shares of 12,257,750 and unexercised options over ADRs of 1,286,670 have been granted under the WPP Share Option Plan 2015 as follows:

Number of ordinary shares under option		Exercise price per share (£)				Exercise dates
23,750			8.372				2021 - 2025
4,053,925			8.372				2021 - 2028
23,875			13.085				2020 - 2024
3,245,325			13.085				2020 - 2027
66,125			15.150				2018 - 2022
2,211,900			15.150				2018 - 2025
5,750			15.150				2019 - 2025
15,875			17.055				2019 - 2023
2,611,225			17.055				2019 - 2026

Number of ADRs under option		Exercise price per ADR ($)				Exercise dates
439,205			53.140				2021 - 2028
340,225			88.260				2020 - 2027
282,115			105.490				2020 - 2026
225,125			115.940				2018 - 2025

X

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