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LONDON--(BUSINESS WIRE)-- FORM 8.3 - Amendment to sales PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE Rule 8.3 of the Takeover Code (the Code) 1. KEY INFORMATION Barclays PLC. DIALOG SEMICONDUCTOR PLC 02 March 2021 NO 2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security. (a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any) Number (%) Number (%) (1) 1,056,601 1.48% 83,444 0.11% (2) 59,611 0.08% 795,438 1.04% (3) 0 0.00% 0 0.00% 1,116,212 1.56% 878,882 1.15% All interests and all short positions should be disclosed. Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions). (b) Rights to subscribe for new securities (including directors and other employee options) Class of relevant security in relation to which subscription right exists: Details, including nature of the rights concerned and relevant percentages: 3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in. The currency of all prices and other monetary amounts should be stated. (a) Purchases and sales Purchase/sale Number of Price per unit securities Purchase 54 64.3622 EUR Purchase 95 64.2800 EUR Purchase 96 64.3316 EUR Purchase 281 64.3578 EUR Purchase 350 64.1252 EUR Purchase 400 64.1200 EUR Purchase 451 64.2065 EUR Purchase 936 64.3175 EUR Purchase 1,274 64.0800 EUR Purchase 1,305 64.2852 EUR Purchase 1,652 64.2944 EUR Purchase 1,904 64.2374 EUR Purchase 2,074 64.2302 EUR Purchase 2,918 64.3388 EUR Purchase 3,037 64.1660 EUR Purchase 4,225 64.2199 EUR Purchase 13,179 64.0200 EUR Purchase 15,087 64.0732 EUR Purchase 15,485 64.3100 EUR Purchase 20,265 64.3688 EUR Purchase 38,216 64.2913 EUR Purchase 98,035 64.1547 EUR Sale 1 64.1000 EUR Sale 15 64.5000 EUR Sale 74 64.1462 EUR Sale 259 64.0800 EUR Sale 305 64.0987 EUR Sale 595 64.2236 EUR Sale 849 64.1199 EUR Sale 942 64.1795 EUR Sale 1,069 64.2202 EUR Sale 1,149 64.3370 EUR Sale 1,292 64.2539 EUR Sale 1,340 64.0984 EUR Sale 1,476 64.1511 EUR Sale 1,604 64.2931 EUR Sale 1,608 64.1721 EUR Sale 1,614 64.2803 EUR Sale 1,643 64.1587 EUR Sale 2,010 64.2560 EUR Sale 2,032 64.1094 EUR Sale 2,176 64.1015 EUR Sale 2,619 64.3714 EUR Sale 3,687 64.1699 EUR Sale 4,707 64.1825 EUR Sale 5,491 64.3202 EUR Sale 5,939 64.1500 EUR Sale 6,452 64.1363 EUR Sale 8,987 64.1256 EUR Sale 10,253 64.2714 EUR Sale 10,289 64.2501 EUR Sale 14,112 64.0200 EUR Sale 19,224 64.3041 EUR Sale 36,867 64.0950 EUR (b) Cash-settled derivative transactions Product Nature of dealing Number of Price per description reference unit securities SWAP Long 274 64.3821 EUR CFD Long 500 64.0758 EUR CFD Long 583 64.0200 EUR CFD Long 1,292 64.2539 EUR CFD Long 1,604 64.2931 EUR CFD Long 4,369 64.0882 EUR SWAP Long 13,179 64.0200 EUR SWAP Short 1,652 64.2944 EUR SWAP Short 13,179 64.0200 EUR CFD Short 20,265 64.3688 EUR SWAP Short 38,216 64.2913 EUR (c) Stock-settled derivative transactions (including options) (i) Writing, selling, purchasing or varying Class of relevant security Product description e.g. call option Writing, purchasing, selling, varying etc. Number of securities to which option relates Exercise price per unit Type e.g. American, European etc. Expiry date Option money paid/ received per unit (ii) Exercise Class of relevant security Product description e.g. call option Exercising/ exercised against Number of securities Exercise price per unit (d) Other dealings (including subscribing for new securities) Class of relevant security Nature of dealing e.g. subscription, conversion Details Price per unit (if applicable) 4. OTHER INFORMATION (a) Indemnity and other dealing arrangements Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state none None (b) Agreements, arrangements or understandings relating to options or derivatives Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i) the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state none None (c) Attachments 4 Mar 2021 Large Holdings Regulatory Operations 020 3134 7213 Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service. The Panels Market Surveillance Unit is available for consultation in relation to the Codes disclosure requirements on +44 (0)20 7638 0129. *If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panels Market Surveillance Unit. The Code can be viewed on the Panels website at www.thetakeoverpanel.org.uk. SUPPLEMENTAL FORM 8 (OPEN POSITIONS) DETAILS OF OPEN STOCK-SETTLED DERIVATIVE (INCLUDING OPTION) POSITIONS, AGREEMENTS TO PURCHASE OR SELL ETC. Note 5(i) on Rule 8 of the Takeover Code (the Code) 1. KEY INFORMATION 2. STOCK-SETTLED DERIVATIVES (INCLUDING OPTIONS) Product Writing, Number Exercise Type Expiry description purchasing, of price date selling, securities per unit varying etc to which option relates Call Options Purchased 19,361 53.6607 European 12 Mar 2021 Call Options Purchased 22,020 69.0099 European 30 Apr 2021 3. AGREEMENTS TO PURCHASE OR SELL ETC. Full details should be given so that the nature of the interest or position can be fully understood: It is not necessary to provide details on a Supplemental Form (Open Positions) with regard to cash-settled derivatives. The currency of all prices and other monetary amounts should be stated. The Panels Market Surveillance Unit is available for consultation in relation to the Codes disclosure requirements on +44 (0)20 7638 0129. The Code can be viewed on the Panels website at www.thetakeoverpanel.org.uk.

Answer: Form 8.3 - 2021-03-02 UK TOP 8.3 REPORT DIALOG - AMENDMENT