X-FAB — Proxy Solicitation & Information Statement 2026

Mar 31, 2026

xfab

X-FAB Silicon Foundries SE • Transportstraat 1 • 3980 Tessenderlo-Ham, Belgium

Right to add items to the agenda and to file resolution proposals

Shareholders who alone or together with other shareholders hold at least 10% of the share capital of X-FAB Silicon Foundries SE have the right to put additional items on the agenda of the ordinary and extraordinary annual shareholders' meeting of April 30, 2026 and to table draft resolutions in relation to items that have been or are to be included in the agenda, by written notification to X-FAB Silicon Foundries SE no later than April 8, 2026 at 17h00 CET. Company will confirm the receipt of such written notifications within 48 hours.

Such written notification has to include:

• the text of each new agenda item and of the corresponding resolution proposal, and/or;
• the text of each resolution proposal in relation to an existing agenda item, indicating the existing agenda item to which the new resolution proposal relates;
• evidence that the requesting shareholder(s) is/are in the possession of at least 10% of the share capital of the company at the date of the written notification, either by certificate of the registration of the respective shares in the register of registered shares of X-FAB Silicon Foundries SE, or by certificate issued by a certified account holder or relevant settlement institution for dematerialized shares, demonstrating the registration of the respective number of non-material shares on an account in its/their name;
• the postal address, telefax number or e-mail address to which X-FAB Silicon Foundries SE can send the receipt confirmation of the written notification.

After receipt of such written notification, X-FAB Silicon Foundries SE will publish a revised agenda no later than April 15, 2026.

Any new agenda items and resolution proposals will only be discussed by the ordinary general meeting of April 30, 2026 if:

• the above-mentioned conditions are met;
• the legal quorum is reached (if applicable);
• the requesting shareholder(s) is/are registered as a shareholder on the Registration Date of April 16, 2026 at 24h00 CET and has/have notified the company no later than April 24, 2026 at 17h00 CET that it wishes/ they wish to attend the ordinary and extraordinary general meeting.

Written notifications need to be addressed to:

X-FAB Silicon Foundries SE
Attn. Mr. Manuel Vangoitsenhoven
c/o Transportstraat 1
3980 Tessenderlo-Ham
Belgium
Fax: +32 1367 0770
E-mail: manuel.vangoitsenhoven@xfab.com

X-FAB Silicon Foundries SE • Transportstraat 1 • 3980 Tessenderlo-Ham, Belgium
Register of Legal Entities Hasselt • BTW BE 0882.390.885
www.xfab.com