We have observed in Taurus Hill Observatory light curves during three known exoplanet transits. Exoplanets are HD149026 b, HD189733 b and HD209458 b. HD149026 b and HD189733 b observations are made in the end part of the transit. HD209458 b observation is made from the beginning of the transit and continues to brightening of the star in the end of the transit. Observations are made 6/7.5, 8/9.5 and 10/11.5.2006 nights. Observers: Veli-Pekka Hentunen and Markku Nissinen.