Interim report for the quarter and six months ended June 30, 2007

Interim report for the quarter and  six months ended June 30, 2007

•  The quarterly net result amounted to MUSD 6.6 (MUSD 7.6)* and the six months
net result amounted to MUSD 5.7 (MUSD 13.9).

•  EBITDA amounted to MUSD 26.8 (MUSD 19.2) for the quarter and to MUSD 40.5
(MUSD 34.1) for the six month period.

•  Oil production increased by 38% to 2,417,700 barrels for the quarter and by
47% to 4,682,358 barrels for the six month period.

•  Total revenue increased by 48% to MUSD 83.8 (MUSD 56.6) for the quarter and
by 44% to MUSD 142.6 (MUSD 99.2) for the six months.

•  Earnings per share amounted to USD 0.01 (USD 0.01) per share for the quarter
and to USD 0.00 (USD 0.01) per share for the six month period. 

•  The 2007 capital expenditures plan was reduced from MUSD 210 to MUSD 198 

•  The 2007 oil production projection revised from 12 to 11 million barrels as
2nd half target of 7 million barrels is not likely to be reached

•  Successful drilling activities in all regions expected to result in oil
reserve increases

•  The company was listed on the Stockholm Stock Exchange in May 2007



*Comparisons reflect the quarter and the six months ended June 30, 2006


For further information:
Maxim Barski, Managing Director, telephone +7 495 956 4882
Eric Forss, Chairman of the Board, telephone +46 8 613 00 85.

West Siberian Resources Ltd is an independent oil company active in Russia. West
Siberian´s depository receipts are traded on the Stockholm Stock Exchange under
the symbol WSIB.