OJSC Sibirtelecom's Q1 2002 revenue jumped 39% compared to the same period last year for a total of Rub 532.2 mn.  EBITDA stood at Rub 162.1 mn (up 112.4% over Q1 2001).  Profit reached Rub 150.6 mn (up 139% year on year).  Pre-tax profit rose 19.1% year-on-year and stood at Rub 84.8 mn 132% compared to the same period last year).