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REGULATED PRESS RELEASE

from ALTEN (EPA:ATE)

Half-year liquidity contract statement of ALTEN SA as at 31 December 2025

PRESS RELEASE

On 12/01/2026, 17:45

© Direction Communication ALTEN - www.alten.com

Sensitivity: C1-Internal

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 December 31st 2025:

  • 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

As a reminder :

  • the following resources appeared on the last half year statement on June 30th 2025 on the liquidity account:
    • 12,809 shares
    • € 442,363.93
    • Number of executions on buy side on semester: 3,269
    • Number of executions on sell side on semester: 3,215
    • Traded volume on buy side on semester: 112,931 shares for € 9,360,254.20
    • Traded volume on sell side on semester: 111 765 shares for € 9,331,945.85
  • 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.

Buy Side
DateNumber of executionsNumber of sharesTraded volume (EUR)
Total2,35980,4665,638,345.52
01/07/2025318814,744.30
02/07/20251790474,340.90
03/07/2025381,886155,497.73
04/07/2025311,380117,840.75
07/07/2025520016,900.00
08/07/202521008,350.00
09/07/20251370058,254.60
10/07/2025735029,433.25
11/07/2025231,10090,126.50
14/07/20251780065,392.00
15/07/2025201,00079,860.00
16/07/2025281,20096,552.00
17/07/20251670056,147.00
18/07/2025361,600126,700.50
21/07/2025231,00077,510.00
22/07/2025261,20092,844.00
23/07/20252090070,026.00
24/07/2025281,300102,077.50
25/07/2025231,00077,200.00
28/07/20251240030,780.00
29/07/20251970054,502.50
30/07/2025261,00078,250.00
31/07/20252380062,844.00
01/08/20251970054,468.00
04/08/20252790069,318.00
05/08/20251140030,772.00
06/08/20252270054,796.50
07/08/20251760046,344.00
08/08/20251350038,820.00
11/08/20252890071,271.00
12/08/20252380063,064.00
13/08/20251760047,730.00
14/08/20251350039,500.00
18/08/20251760047,844.00
19/08/20251040031,960.00
20/08/20251140032,056.00
21/08/2025930023,982.00
22/08/20251660048,414.00
25/08/20251860048,168.00
26/08/20252070055,664.50
27/08/20251240031,992.00
28/08/20251140032,268.00
29/08/20251240032,200.00
01/09/20251660049,050.00
02/09/20251870057,554.00
03/09/20251760049,200.00
04/09/20251860049,074.00
05/09/20251760048,816.00
08/09/20252580065,336.00
09/09/20252070056,392.00
10/09/20252070056,753.00
11/09/20251860048,666.00
12/09/20252580064,960.00
15/09/20252690073,170.00
16/09/20252890073,026.00
17/09/2025520016,320.00
18/09/20252790072,852.00
19/09/20252790072,765.00
22/09/2025311,10088,605.50
23/09/20252690072,729.00
24/09/20252690072,783.00
25/09/20252280064,520.00
26/09/20252170056,392.00
29/09/20252490072,801.00
30/09/20251560048,498.00
01/10/20251970056,105.00
02/10/20251870056,693.00
03/10/20252070056,743.50
06/10/20251860048,822.00
07/10/20252070056,693.00
08/10/20251660048,462.00
09/10/20251450040,515.00
10/10/20251860048,936.00
13/10/20251860048,726.00
14/10/20251760048,930.00
15/10/20251760048,684.00
16/10/20251550040,722.50
17/10/20251660048,888.00
20/10/20251040032,268.00
21/10/20251250040,492.50
22/10/20251450040,592.50
23/10/20251860048,906.00
24/10/20251550040,640.00
27/10/20251240032,256.00
28/10/20251350040,975.00
29/10/20251040032,300.00
30/10/20251450040,985.00
31/10/20251960049,110.00
03/11/20251340032,872.00
04/11/20251860049,236.00
05/11/20251760049,068.00
06/11/20252070057,302.50
07/11/20251550040,870.00
10/11/20251860049,314.00
12/11/20251140032,900.00
13/11/20251340033,000.00
14/11/20251550041,175.00
17/11/20251550041,215.00
18/11/20251760049,368.00
19/11/20251650041,090.00
20/11/20251660049,296.00
21/11/20251760049,470.00
24/11/20251660049,476.00
25/11/20251550041,010.00
26/11/20251760049,410.00
27/11/20251240032,908.00
28/11/20251450041,135.00
01/12/20251340033,032.00
02/12/20251550041,175.00
03/12/20251340033,040.00
04/12/20251760049,452.00
05/12/20251760049,500.00
08/12/20251660049,392.00
09/12/20251860049,422.00
10/12/20251450041,145.00
11/12/20251660049,362.00
12/12/20251660049,362.00
15/12/20251450041,225.00
16/12/20251660049,500.00
17/12/20251450041,285.00
18/12/20251350041,255.00
19/12/20251340033,020.00
22/12/20251240033,040.00
23/12/20251140033,040.00
24/12/20251140033,020.00
29/12/20251140033,040.00
30/12/20251040032,872.00
31/12/2025720016,520.00
Sell Side
DateNumber of executionsNumber of sharesTraded volume (EUR)
Total2,46081,2945,733,091.83
01/07/2025953041,764.60
02/07/2025351,800142,524.00
03/07/2025452,100170,835.00
04/07/2025371,700138,920.00
07/07/20251260048,900.00
08/07/20251880065,200.00
09/07/20251460049,740.00
10/07/20251670057,465.00
11/07/20252290073,530.00
14/07/20252390073,530.00
15/07/2025271,10089,046.00
16/07/2025291,20097,236.00
17/07/20252390072,999.00
18/07/2025311,300105,170.00
21/07/2025291,10088,748.00
22/07/2025301,20097,356.00
23/07/20252690073,116.00
24/07/2025311,20097,404.00
25/07/2025271,00080,750.00
28/07/20252380064,928.00
29/07/20252590073,332.00
30/07/2025281,00081,050.00
31/07/20252480064,840.00
01/08/20252180064,496.00
04/08/20252590072,828.00
05/08/20252280064,848.00
06/08/20252690072,999.00
07/08/20252280064,736.00
08/08/20252070056,315.00
11/08/2025291,00080,660.00
12/08/2025281,00080,830.00
13/08/20252490072,801.00
14/08/20252080064,760.00
18/08/20252180064,976.00
19/08/20251970056,266.00
20/08/20251970056,210.00
21/08/20251870056,315.00
22/08/20252080064,912.00
25/08/20252280064,944.00
26/08/20252380064,960.00
27/08/20251970056,196.00
28/08/20251970056,210.00
29/08/20252180064,992.00
01/09/20252390073,215.00
02/09/20252280065,088.00
03/09/20252280065,040.00
04/09/20252180064,976.00
05/09/20252180064,960.00
08/09/2025271,00081,300.00
09/09/20252490073,242.00
10/09/20252490073,278.00
11/09/20252390073,215.00
12/09/2025281,00081,300.00
15/09/2025301,10089,463.00
16/09/2025301,10089,463.00
17/09/20252180065,024.00
18/09/2025291,10089,463.00
19/09/2025281,00081,300.00
22/09/2025331,20097,620.00
23/09/2025301,10089,463.00
24/09/2025291,10089,463.00
25/09/2025271,00081,300.00
26/09/20252590073,242.00
29/09/2025281,00081,300.00
30/09/20252280065,064.00
01/10/20252380064,920.00
02/10/20252490073,395.00
03/10/20252590073,422.00
06/10/20252280065,008.00
07/10/20252490073,368.00
08/10/20252080065,040.00
09/10/20251970056,448.00
10/10/20252280065,008.00
13/10/20252280065,040.00
14/10/20252180065,040.00
15/10/20252180065,040.00
16/10/20252080065,040.00
17/10/20252180065,024.00
20/10/20251870056,350.00
21/10/20251970056,420.00
22/10/20252180065,136.00
23/10/20252380065,136.00
24/10/20251970056,420.00
27/10/20251870056,350.00
28/10/20252080065,136.00
29/10/20251970056,350.00
30/10/20252180065,200.00
31/10/20252380065,232.00
03/11/20252080065,168.00
04/11/20252280065,184.00
05/11/20252180065,168.00
06/11/20252380065,216.00
07/11/20252180065,136.00
10/11/20252280065,200.00
12/11/20251970056,420.00
13/11/20252080065,232.00
14/11/20252180065,296.00
17/11/20252180065,296.00
18/11/20252280065,280.00
19/11/20252180065,264.00
20/11/20252280065,248.00
21/11/20252280065,280.00
24/11/20252180065,280.00
25/11/20252180065,296.00
26/11/20252180065,296.00
27/11/20251970057,120.00
28/11/20252080065,360.00
01/12/20252080065,360.00
02/12/20252080065,360.00
03/12/20252080065,360.00
04/12/20252280065,360.00
05/12/20252280065,360.00
08/12/20252180065,360.00
09/12/20252380065,360.00
10/12/20252180065,360.00
11/12/20252180065,360.00
12/12/20252180065,360.00
15/12/20252180065,360.00
16/12/20252180065,360.00
17/12/20252180065,360.00
18/12/20252080065,360.00
19/12/20251870057,050.00
22/12/20251870057,050.00
23/12/20251870057,050.00
24/12/20251660048,600.00
29/12/20251560048,600.00
30/12/20251760048,600.00
31/12/20251030023,730.00

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).

Sensitivity: C1-Internal

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