In April 2003, Khodorkovsky announced that Yukos would merge with Sibneft, creating an oil company with reserves equal to those of Western petroleum multinationals.
Aprillis 2003 teatas Hodorkovski, et Jukos ühineb Sibneftiga, moodustades naftakompanii, mille reservid on võrdsed Lääne hargmaiste naftakompaniidega.