ATOSS Software SE: AOB Portfolio One GmbH & Co. KG, Acquisition, without consideration, of 3,801,214 shares of ATOSS Software SE through a contribution to AOB Portfolio One GmbH & Co. KG ...

1. Details of the person discharging managerial responsibilities / person closely associated

a) Name

Name and legal form:

AOB Portfolio One GmbH & Co. KG

2. Reason for the notification

a) Position / status

Person closely associated with:
Title:
First name:	Andreas F.J.
Last name(s):	Obereder
Position:	Member of the managing body

b) Initial notification

3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a) Name

ATOSS Software SE

b) LEI

529900Q9G9280ADNOA39

4. Details of the transaction(s)

a) Description of the financial instrument, type of instrument, identification code

Type:	Share
ISIN:	DE0005104400

b) Nature of the transaction

Acquisition, without consideration, of 3,801,214 shares of ATOSS Software SE through a contribution to AOB Portfolio One GmbH & Co. KG as part of an intra-group restructuring

c) Price(s) and volume(s)

Price(s)	Volume(s)
not numberable	not numberable

d) Aggregated information

Price	Aggregated volume
not numberable	not numberable

e) Date of the transaction

01/05/2026; UTC+2

f) Place of the transaction

Outside a trading venue