Hansa Biopharma Investor Presentation — April 2024

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Investor Road Show Q1 2024Lund, April 18, 2024Thispresentationmaycontaincertainforward-lookingstatementsandforecastsbasedonourcurrentexpectationsandbeliefsregardingfutureeventsandaresubjecttosignificantuncertaintiesandriskssincetheyrelatetoeventsanddependoncircumstancesthatwilloccurinthefuture.Someoftheseforward-lookingstatements,bytheirnature,couldhaveanimpactonHansaBiopharma’sbusiness,financialconditionandresultsofoperations[orthatofitsparent,affiliate,orsubsidiarycompanies].Termssuchas“anticipates”,“assumes”,“believes”,“can”,“could”,“estimates”,“expects”,“forecasts”,“intends”,“may”,“might”,“plans”,“should”,“projects”,“will”,“would”or,ineachcase,theirnegative,orothervariationsorcomparableterminologyareusedtoidentifyforward-lookingstatements.Thereareanumberoffactorsthatcouldcauseactualresultsanddevelopmentstodiffermateriallyfromthoseprojected,whetherexpresslyorimpliedly,inaforward-lookingstatementoraffecttheextenttowhichaparticularprojectionisrealized.Suchfactorsmayinclude,butarenotlimitedto,changesinimplementationofHansaBiopharma’sstrategyanditsabilitytofurthergrow;risksanduncertaintiesassociatedwiththedevelopmentand/orapprovalofHansaBiopharma’sproductcandidates;ongoingclinicaltrialsandexpectedtrialresults;theabilitytocommercializeimlifidaseifapproved;changesinlegalorregulatoryframeworks,requirements,orstandards;technologychangesandnewproductsinHansaBiopharma’spotentialmarketandindustry;theabilitytodevelopnewproductsandenhanceexistingproducts;theimpactofcompetition,changesingeneraleconomyandindustryconditionsandlegislative,regulatoryandpoliticalfactors.Thefactorssetforthabovearenotexhaustiveandadditionalfactorscouldadverselyaffectourbusinessandfinancialperformance.Weoperateinaverycompetitiveandrapidlychangingenvironment,anditisnotpossibletopredictallfactors,norcanweassesstheimpactofallfactorsonourbusinessortheextenttowhichanyfactor,orcombinationoffactors,maycauseactualresultstodiffermateriallyfromthosecontainedinanyforward-lookingstatements.Giventheserisksanduncertainties,investorsshouldnotplaceunduerelianceonforward-lookingstatementsasapredictionofactualresults.HansaBiopharmaexpresslydisclaimsanyobligationtoupdateorreviseanyforward-lookingstatementstoreflectchangesinunderlyingassumptionsorfactors,newinformation,futureeventsorotherwise,anddisclaimsanyexpressorimpliedrepresentationsorwarrantiesthatmayarisefromanyforward-lookingstatements.Youshouldnotrelyupontheseforward-lookingstatementsafterthedateofthispresentation.

2Forward-looking statementsTable of contents1.Q1 2024 Business Update2.Company overview3.Imlifidasein kidney transplantations4.Completed and ongoing studies5.Our enzyme technology6.Clinical development programs7.Next generation enzymes8.Gene therapy9.ESG Overview10.Capital Markets4143140536271759095

3Business update Q1’2024

4Strong commercial performance in the first quarter;Raised SEK ~372m (USD ~34.6m) in a directed share issue