WILLIS TOWERS WATSON PLC — Director's Dealing 2011

Mar 17, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WILLIS GROUP HOLDINGS PLC (WSH)
CIK: 0001140536
Period of Report: 2011-03-16

Reporting Person: MCCANN JAMES F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-16	Ordinary Shares, nominal value $0.000115 per share	M	5000.0000	$34.1500	Acquired	15014.0000	Direct
2011-03-16	Ordinary Shares, nominal value $0.000115 per share	S	4650.0000	$38.9532	Disposed	10364.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-16	Option	$34.1500	M	5000.0000	Disposed	2011-05-04	Ordinary Shares, nominal value $0.000115 per share (5000.0000)	Direct

Footnotes

F1: Includes 4,230 restricted stock units, subject to deferred settlement or the satisfaction of vesting requirements.

F2: The number of securities disposed of represents the aggregate number of shares sold in multiple open market transactions having prices ranging from $38.95 to $38.96003 per share. The price listed in Table I represents the weighted average sale price for such sales. The reporting person undertakes to provide the staff of the Securities and Exchange Commission, the Issuer, or a stockholder of the Issuer, upon request, information regarding the number of shares sold at each separate price within the range.

F3: The option vested in full on May 4, 2007.