West Siberian Resources Limited: Interim report for the quarter and the six months ended June 30, 2006

• The quarterly net result amounted to MUSD 7.6 (MUSD 0.6)* and the six months net result amounted to MUSD 13.9 (MUSD 2.6). • EBITDA amounted to MUSD 19.2 (MUSD 4.2) for the quarter and to MUSD 34.1 (MUSD 7.4) for the six month period. • Oil production increased by 258% to 1,752,733 barrels for the quarter and by 239% to 3,174,605 barrels for the six month period. • Total revenue increased by 393% to MUSD 56.6 (MUSD 11.5) for the quarter and by 368% to MUSD 99.2 (MUSD 21.2) for the six months. • Earnings per share amounted to USD 0.01 (USD 0.00) per share for the quarter and to USD 0.01 (USD 0.00) per share for the six month period. • New oil fields discovered in Volga Urals region. *Comparisons reflect the quarter and the six months ended June 30, 2005