If you have any questions about your shareholding or if you require assistance (e.g., to notify a change of address), please contact the Petroleum Geo-Services registrar at the relevant address shown below. ADR holders should contact Citibank, N.A.; a member of Citigroup, also given below:
Registrar in Norway
Nordea Bank Norge ASA
P.O. Box 1166, Sentrum
0107 Oslo, Norway
phone: +47 22 48 62 62
fax: +47 22 48 63 49
ADR Depositary Bank in the U.S.
Citibank Shareholder Services
P.O.Box 43077
Providence, RI 02940-3077
toll free: +1-877-CITI-ADR
Outside the US tel: +1-816-843-4281
fax: +1-201-324-3284
e-mail: citibank@shareholders-online.com