Half-year liquidity contract statement of ALTEN SA as at 30 June 2026

PRESS RELEASE

On 08/07/2026, 17:45

Half-year liquidity contract statement for ALTEN

Under the liquidity contract entered into between ALTEN and Kepler Cheuvreux, the following resources appeared on the liquidity account on June 30th 2026:

• 13,817 shares
• € 466,206.69
• Number of executions on buy side on semester: 2,594
• Number of executions on sell side on semester: 2,482
• Traded volume on buy side on semester: 97,511 shares for € 6,100,175.74
• Traded volume on sell side on semester: 95,675 shares for € 6,024,859.39

As a reminder :

• the following resources appeared on the last half year statement on 31 December 2025 on the liquidity account:
  • 11,981 shares
  • € 539,001.32
  • Number of executions on buy side on semester: 2,350
  • Number of executions on sell side on semester: 2,400
  • Traded volume on buy side on semester: 80,466 shares for € 5,638,345.52
  • Traded volume on sell side on semester: 81,294 shares for € 5,733,091.83
• the following resources appeared on the liquidity account when the activity started:
  • 9,848 shares
  • € 40,881.00

The implementation of this report is carried out in accordance with AMF Decision N°2021-01 of June 22nd 2021 renewing the implementation of liquidity contracts for shares as an accepted market practice.

About ALTEN SA

For all information: www.alten.com/investors
Contact for journalists: alten@hopcotch.fr

As the European leader in Engineering and Technology Consulting (ETC), ALTEN carries out design and research projects for the Technical and IT/IS Departments of major industrial, telecom and tertiary clients. The ALTEN share is listed on compartment A of the Euronext Paris market (ISIN FR0000071946) and is part of SBF 120, the IT CAC 50 index, and MIDCAP 100, and is eligible for the Deferred Settlement Service (DSS).