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LONDON--(BUSINESS WIRE)-- Ap19 FORM 8.3 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) ORD Long Short Number (%) Number (%) (1) 2,825,056 2.19% 680,803 0.53% (2) 354,221 0.27% 644,501 0.50% (3) 0 0.00% 0 0.00% 3,179,277 2.47% 1,325,304 1.03% (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 Number of relevant securities 20 29 50 71 100 100 100 152 200 200 200 257 300 300 300 325 392 400 436 520 593 600 600 705 1,507 1,534 1,576 2,219 2,340 2,477 3,592 4,154 4,445 4,691 5,293 5,963 10,875 17,009 18,559 30,487 61,125 95,790 98,694 139,180 5 20 21 21 29 33 39 50 58 79 100 100 100 100 126 130 134 184 200 300 334 397 436 495 555 984 989 1,229 1,300 1,340 1,352 1,534 1,634 1,689 2,083 2,907 3,552 4,123 4,307 4,677 4,765 4,994 5,395 5,516 5,548 6,069 6,106 6,289 6,632 8,076 8,093 9,925 12,769 18,527 19,743 20,627 20,947 25,618 36,856 58,727 189,056 (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 s11 Jan 2021 Large Holdings Regulatory Operations 020 3134 7213

Answer: Form 8.3 - Willis Towers Watson plc