REGULATED PRESS RELEASE

from ALTEN (EPA:ATE)

Report on share repurchases from 16 to 21 September 2026

ALTEN

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Report on share repurchases from 16 to 21 September 2026

Name of the IssuerIdentity code of the IssuerTransaction dayIdentity code of the financial instrumentTotal daily volume (in number of shares)Daily weighted average purchase price of the sharesMarket (MIC Code)
ALTEN969500Y7G9TYY24GN0716/09/2026FR000007194653069,7189XPAR
ALTEN969500Y7G9TYY24GN0716/09/2026FR000007194626269,7252CEUX
ALTEN969500Y7G9TYY24GN0716/09/2026FR000007194611969,8218AQEU
ALTEN969500Y7G9TYY24GN0716/09/2026FR00000719465169,5284TQEX
ALTEN969500Y7G9TYY24GN0717/09/2026FR00000719461 79568,5050XPAR
ALTEN969500Y7G9TYY24GN0717/09/2026FR000007194631268,5108AQEU
ALTEN969500Y7G9TYY24GN0717/09/2026FR00000719461 13068,4659CEUX
ALTEN969500Y7G9TYY24GN0717/09/2026FR00000719468868,5230TQEX
ALTEN969500Y7G9TYY24GN0718/09/2026FR00000719461 82567,0846XPAR
ALTEN969500Y7G9TYY24GN0718/09/2026FR00000719461666,8100CEUX
ALTEN969500Y7G9TYY24GN0718/09/2026FR000007194620066,9527TQEX
ALTEN969500Y7G9TYY24GN0718/09/2026FR000007194630066,7577AQEU
ALTEN969500Y7G9TYY24GN0721/09/2026FR00000719469769,9379XPAR
ALTEN969500Y7G9TYY24GN0721/09/2026FR00000719468769,1640TQEX
ALTEN969500Y7G9TYY24GN0721/09/2026FR00000719468469,0637AQEU
Total9 40968,1300
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