OOH!MEDIA LIMITED DISCLOSUREBeneficial Ownership (13D/G / major holdings)

Becoming a substantial holder from MS

1 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme OOH!MEDIA LIMITED ACN/ARSN … 602 195 380 1. Details of substantial holder (1) Name Morgan Stanley and its subsidiaries listed in Annexure A ACN/ARSN (if applicable) Not Applicable The holder became a substantial holder on September 02, 2026 The holder became aware on September 04, 2026 2. Details of voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows: Class of securities (4) Number of securities Person’s votes (5) Voting power (6) Ordinary Shares 27,507,563 27,507,563 5.21% Based on 528,211,762 Ordinary Shares Outstanding 3. Details of relevant interests The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows: Holder of relevant interest Nature of relevant interest (7) Class and number of securities Morgan Stanley Australia Securities Limited Shares held or in respect of which the holder may exercise control over disposal in the ordinary course of sales and trading businesses. 26,536,449 Ordinary Shares Morgan Stanley Australia Securities Limited Holder of securities subject to an obligation to return under a prime brokerage agreement through an associate. 7,555 Ordinary Shares Parametric Portfolio Associates LLC Shares held or in respect of which the holder may exercise control over disposal in the ordinary course of investment management business. 963,559 Ordinary Shares Each of the entities (as listed in Annexure A) in the Morgan Stanley group upstream of the above entities Each of the above entities is a body corporate that each upstream entity controls and therefore has the relevant interests that the above entities collectively have. 27,507,563 Ordinary Shares(N.B.: Total of the above direct interest) 4. Details of present registered holders The persons registered as holders of the securities referred to in paragraph 3 above are as follows: Holder of relev