WILLIS TOWERS WATSON PLC — Director's Dealing 2011

May 11, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WILLIS GROUP HOLDINGS PLC (WSH)
CIK: 0001140536
Period of Report: 2011-05-10

Reporting Person: BRADLEY WILLIAM W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-10	Ordinary Shares, nominal value $0.000115 per share	M	50000.0000	$31.7000	Acquired	63912.0000	Direct
2011-05-10	Ordinary Shares, nominal value $0.000115 per share	D	50000.0000	$40.5900	Disposed	13912.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-10	Option	$31.7000	M	50000.0000	Disposed	2012-09-18	Ordinary Shares, nominal value $0.000115 per share (50000.0000)	Direct

Footnotes

F1: Includes an aggregate of 2,409 restricted share units ("RSUs") subject to the satisfaction of vesting requirements, as well as 1,361 vested RSUs with a deferred settlement no later than January 2, 2017.

F2: Subsequent to the grant of the option, it was amended such that the reporting person would receive the intrinsic value in cash upon exercise rather than receive shares upon payment of the exercise price.

F3: Option became fully exercisable on September 18, 2005.