Hamilton, Bermuda (April 21, 2015)

Archer Limited’s first quarter 2015 results are scheduled to be released on Monday May 4, 2015 before the start of trading on Oslo Stock Exchange.

In connection with the earnings release, a conference call will be held at 7:00 Houston time, 13:00 London time, 14:00 Oslo time on Monday May 4, 2015.

To listen to the call, the following options are available:

A. Webcast

To register for the webcast please go to

http://edge.media-server.com/m/p/rx53wtry

B. Conference call

To access the call, which is open to the public, please contact the conference call operator at the participant telephone numbers listed below. Please call in 10 minutes prior to the scheduled start time, and ask for the “Archer First Quarter 2015 Results Conference Call.”

Participant Telephone Numbers:

Local – London, United Kingdom:                      +44(0)20 3427 1901

National free phone – United Kingdom:              0800 279 5004

Local – New York, United States of America:     +1212 444 0896

National free phone – United States of America: 1877 280 1254

Local – Oslo, Norway:                                       +472316 2729

National free phone – Norway:                           800 56053

Confirmation Code:                                          1758573

The operator will ask for your name, company and the confirmation code.

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.

Playback Option:

If you are unable to participate in the conference call on the day, there is an opportunity to listen to a replay on www.archerwell.com/webcast or to listen to a playback by dialing:

Local – London, United Kingdom:                  +44 (0)20 3427 0598

Local – New York, United States of America: +1 347 366 9565

Local – Oslo, Norway:                                  +47 2100 0498

followed by replay access number:                1758573#

Participant list information required: Full name & company