Director's irrevocable undertaking

Unless otherwise determined by Shell Bidco or required by the Takeover Code and permitted
by applicable law and regulation, the Offer is not being, and will not be, made, directly or
indirectly, in or into or by the use of the mails of, or by any other means or instrumentality
(including, without limitation, electronic mail, facsimile transmission, telex, telephone,
internet or other forms of electronic communication) of interstate or foreign commerce of, or
any facility of a national state or other securities exchange of any Restricted Jurisdiction and
will not be capable of acceptance by any such use, means , instrumentality or facility or from
within any Restricted Jurisdiction.
Accordingly, unless otherwise determined by Shell Bidco or required by the Takeover Code
and permitted by applicable law and regulation, copies of this announcement are not being,
and must not be, directly or indirectly , mailed, transmitted or otherwise forwarded,
distributed or sent in, into or from any Restricted Jurisdiction and persons receiving this
announcement (including, without limitation, custodians, nominees and trustees) must not
mail or otherwise forward, distribute or send it in, into or from such jurisdiction.
Any person (including, without limitation , any custodian, nominee or trustee) who would, or
otherwise intends to, or who may have a contractual or legal obligation to forward this
announcement and/or the Offer Document and/or any other related document to any
jurisdiction outside of the United Kingdom should inform themselves of, and observe, any
applicable legal or regulatory requirements of theirjurisdiction before taking any action.
Shell Bidco reserves the right to elect with the agreement of Cove and the consent of the
Panel (where necessary) to implement the acquisition of the entire issued and to be issued
share capital of Cove by way of a court-approved scheme of arrangement in accordance with
Part 26 of the 2006 Act. In such event, the acquisition will be implemented on substantially
the same terms, subject to appropriate amendments , as those which would apply to the Offer.
Definitions and cautionary statement
Resources: Shell's use of the term "resources" in this announcement includes quantities of
oil and gas not yet classified as SEC proved oil and gas reserves or SEC proven mining
reserves. Resources are consistent with the Society of Petroleum Engineers 2P and 2C
definitions.
The companies in which Royal Dutch Shell plc directly and indirectly owns investments are
separate entities . In this announcement "Shell", "Shell Group " and "Royal Dutch Shell" are
sometimes used for convenience where references are made to Royal Dutch Shell plc and its
subsidiaries in general. Likewise, the words "we", „us" and "our" are also used to refer to
subsidiaries in general or to those who work for them. These expressions are also used where
no useful purpose is served by identifying the particular company or companies.
"Subsidiaries ", "Shell subsidiaries " and "Shell companies" as used in this announcement
refer to companies in which Shell either directly or indirectly has control , by having either a
majority of the voting rights or the right to exercise a controlling influence . The companies in
which Shell has significant influence but not control are referred to as "associated
companies " or "associates " and companies. in which Shell has joint control are referred to as
'jointly controlled entities ". In this announcement, associates and jointly controlled entities
are also referred to as "equity-accounted investments ". The term "Shell interest" is used for
convenience to indicate the direct and/or indirect (for example, through our 24 per cent.
shareholding in Woodside Petroleum Ltd.) ownership interest held by Shell in a venture,
partnership or company, after exclusion of all third-party interest.