ATI Oil Plc

June 24, 2009 11:27 ET

Withdrawal from PLUS

                                                                       ISIN: GB00B04BP253/GBP/PLUS-exn
                                             ATI Oil Plc
                                             Martin House
                                             5 Martin Lane
                                               EC4R 0DP
                                       Tel: +44 (0)20 7469 2940
                                       Fax: +44 (0)20 7469 2901

                                              ATI Oil Plc
                                        ("ATI" or "the Company")
                                Completion of Recommended Offer for ATI

Further  to  the announcement released by ATI on 23 May 2009, the Board of ATI is pleased to  announce
that  the  acquisition of the Company by Northern has become effective and trading in the new Northern
Shares is expected to begin at 8.00 a.m. on 25 June 2009.

The  latest date for despatch of New Northern Share certificates and crediting of CREST accounts under
the  Scheme  will  be 8 July 2009.  In accordance with the Scheme, a total of 7,418,480  New  Northern
Shares  will  be  issued to Scheme Shareholders on the register at 6.00 p.m.  on  22  June  2009.   In
addition,  pursuant to the proposals made in the Warrantholder Circular dated 28 April  2009,  279,787
New Northern Shares and 408,750 new warrants over shares in the capital of Northern will be issued  to
former ATI Warrantholders.

ATI will be withdrawn from trading on PLUS at 16.30 p.m. today.

Terms  and  expressions used in this announcement shall have the same meanings given to  them  in  the
announcements released by Northern on 3 April 2009 and 29 April 2009.

The Directors of the issuer accept responsibility for this announcement.

For further information please contact:

ATI Oil plc                                                           Tel: +44 (0) 20 7469 2940
Per Gunnar Loge, Chief Executive Officer                        
Chris Foss, Finance Director
KBR (Financial adviser to ATI)                                        Tel: +44 (0) 20 3100 8300
Hugh Oram                                                       
Northern Petroleum Plc                                                Tel: +44 (0) 20 7469 2900
Richard Latham, Chairman                                                                        
Graham Heard, Exploration & Technical Director                                                  
Investec (NOMAD and Financial Adviser)                                Tel: +44 (0) 20 7597 5000
Michael Ansell / Patrick Robb / Avital Lobel                                                    

Contact Information

  • ATI Oil plc