QuidelOrtho Corporation Investor Presentation — March 2022

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Copyright © 2022 Quidel Corporation. All rights reserved.Quidel

March 2022Copyright © 2022 Quidel Corporation. All rights reserved. 2

Forward -Looking Statements and Additional Information

Where YouCanFind Additional Information

Inconnection with theproposed business combination transaction among Quidel Corporation (the“Company”), Ortho Clinical Diagnostics Holdings plc(“Ortho”) and Coronado Topco, Inc.(“Topco”), Topco hasfiled a

registration statement onForm S-4with theSecurities andExchange Commission (the“Commission”) that contains ajoint proxy statement/prospectus andother relevant documents concerning theproposed transaction .YOU ARE

URGED TOREAD THE JOINT PROXY STATEMENT/PROSPECTUS AND THE OTHER RELEVANT DOCUMENTS FILED WITH THE COMMISSION (INCLUDING ANY AMENDMENTS ORSUPPLEMENTS THERETO) BECAUSE THEY CONTAIN

IMPORTANT INFORMATION ABOUT THECOMPANY, ORTHO AND THE PROPOSED TRANSACTION .Thejoint proxy statement/prospectus willbemailed totheCompany’s stockholders andOrtho’s shareholders when available .Thejoint

proxy statement/prospectus and theother documents filed with theCommission may also beobtained free ofcharge attheCommission’s website, www .sec.gov.Inaddition, you may obtain free copies ofthejoint proxy

statement/prospectus and theother documents filed bytheCompany and Ortho with theCommission byrequesting them inwriting from Quidel Corporation, 9975 Summers Ridge Road, SanDiego, California 92121 ,Attention :

Investor Relations, orbytelephone at858-646-8023 ,orfrom Ortho Clinical Diagnostics Holdings plc,1001 Route 202,Raritan, New Jersey 08869 ,Attention :Investor Relations, orbydirecting awritten request toSVC Ortho -

TheCompany andOrtho andtheir respective directors andexecutive officers may bedeemed under therules oftheCommission tobeparticipants inthesolicitation ofproxies .Information about theCompany’s directors