Shareholder Value Management AG: Form 8.3 Immunodiagnostic Systems Holdings PLC DJ Shareholder Value Management AG: Form 8.3 Immunodiagnostic Systems Holdings PLC Shareholder Value Management AG (IDH) Shareholder Value Management AG: Form 8.3 Immunodiagnostic Systems Holdings PLC 28-May-2021 / 10:25 CET/CEST Dissemination of a Regulatory Announcement, transmitted by EQS Group. The issuer is solely responsible for the content of this announcement. =---------------------------------------------------------------------------------------------------------------------- FORM 8.3 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 (a) Full name of discloser: Shareholder Value Management AG (b) Owner or controller of interests and short positions disclosed, if different from 1(a):