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LONDON--(BUSINESS WIRE)-- Ap19 FORM 8.3 Amendment to Purchase & Sales IRISH TAKEOVER PANEL DISCLOSURE UNDER RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013 DEALINGS BY PERSONS WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE 1. KEY INFORMATION 2. INTERESTS AND SHORT POSITIONS (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) (1) 3,038,719 2.36% 614,045 0.48% (2) 280,999 0.22% 739,005 0.57% (3) 0 0.00% 0 0.00% 3,319,718 2.58% 1,353,050 1.05% (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of relevant security: Long Short Number (%) Number (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total Ap20 1. DEALINGS (Note 4) (a) Purchases and sales Purchase 1 207.7500 USD Purchase 1 209.4500 USD Purchase 2 208.7900 USD Purchase 7 209.0900 USD Purchase 7 209.1557 USD Purchase 8 208.9587 USD Purchase 11 208.6840 USD Purchase 12 208.6662 USD Purchase 12 209.1650 USD Purchase 12 208.1750 USD Purchase 15 209.0100 USD Purchase 17 209.0261 USD Purchase 25 209.6700 USD Purchase 26 208.0700 USD Purchase 75 209.1432 USD Purchase 100 208.7400 USD Purchase 200 208.4336 USD Purchase 279 208.3197 USD Purchase 300 208.9067 USD Purchase 444 208.2909 USD Purchase 916 208.1603 USD Purchase 1,100 209.0027 USD Purchase 1,731 208.5414 USD Purchase 1,971 208.1877 USD Purchase 3,540 208.6567 USD Purchase 10,847 209.0496 USD Purchase 12,036 208.9463 USD Purchase 13,200 209.1050 USD Purchase 16,716 208.1900 USD Purchase 16,983 208.2228 USD Sale 2 208.4300 USD Sale 2 210.0800 USD Sale 2 208.1850 USD Sale 4 208.9600 USD Sale 5 208.0500 USD Sale 7 208.2357 USD Sale 14 208.8003 USD Sale 14 208.5200 USD Sale 25 207.5390 USD Sale 60 208.9230 USD Sale 85 208.7195 USD Sale 100 208.2600 USD Sale 100 208.5832 USD Sale 100 208.8800 USD Sale 144 207.9634 USD Sale 186 208.4270 USD Sale 200 208.9200 USD Sale 200 208.7750 USD Sale 302 208.2044 USD Sale 314 209.9857 USD Sale 631 208.8307 USD Sale 1,164 208.6492 USD Sale 1,659 208.5410 USD Sale 2,063 208.3033 USD Sale 2,172 208.2637 USD Sale 2,562 209.2167 USD Sale 8,859 209.2241 USD Sale 10,916 209.0598 USD Sale 12,256 208.9986 USD Sale 12,288 208.2380 USD Sale 23,829 208.1900 USD (b) Derivatives transactions (other than options transactions) Product name, e.g. CFD Nature of transaction (Note 6) Number of relevant securities (Note 7) Price per unit (Note 5) (c) Options transactions in respect of existing relevant securities (i) Writing, selling, purchasing or varying Product name, e.g. call option Writing, selling, purchasing, varying etc. Number of securities to which the option relates (Note 7) Exercise price Type, e.g. American, European etc. Expiry date Option money paid/received per unit (Note 5) (ii) Exercising Product name, e.g. call option Number of securities Exercise price per unit (Note 5) (d) Other dealings (including transactions in respect of new securities) (Note 4) Nature of transaction (Note 8) Details Price per unit (if applicable) (Note 5) Ap21 2. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. None 020 3134 7213

Answer: Form 8.3 - WILLIS TOWERS WATSON PLC AMENDMENT