Hamilton, Bermuda (October 29, 2025)

Archer will host a call where participants will be presented the trading update for Q3 2025 on November 4th, at 09.00 CET.  To follow the presentation, the following options are available:

A. Webcast

To register for the webcast please go to https://events.q4inc.com/attendee/469967773

B. Conference call

To access the call, which is open to the public, please dial in at the participant telephone numbers listed below. Please call in 10 minutes prior to the scheduled start time and ask for the “Archer Q3 2025 Trading Update Presentation.”

Participants dial-in:

United Kingdom +44 20 3936 2999

United States +1 646 233 4753

Germany +49 32 221098334

All other locations: +44 20 3807 9124

Access code: 885815

The operator will ask for your name and company. Following the presentation there will be a Q&A session. Information on “how to ask questions” will be given at the beginning of the Q&A session.