Hamilton, Bermuda (October 20, 2026)

Archer will host a call where participants will be presented the trading update for Q3 2026 on October 21st, at 09.00 CEST.  To follow the presentation, the following options are available:

A. Webcast

To register for the webcast please go to https://events.q4inc.com/attendee/885072683

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 2026 Trading Update Presentation.”

Participants dial-in:

United Kingdom: +44 117 389 0104

United States: +1 585 542 9983

Germany: +49 800 5890994

All other locations:  +44 808 196 8935

Meeting ID: 885 072 683

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.