** Software provider EPAM's EPAM.N shares fall 16.4% to $140.2 premarket
** EPAM sees first-quarter revenue in the range of $1.38 billion to $1.40 billion, the mid-point of which is in line with analysts' estimates, according to data compiled by LSEG
** Jefferies analysts say the "2026 revenue guidance of +3-6% year-over-year organic (constant currency) likely reflects some conservatism, but will also likely be viewed with some disappointment given organic constant currency growth in 2025 was 5% y-o-y"
** On an adjusted basis, EPAM expects profit per share in the range of $2.70 to $2.78, also in line with estimates
** For the fourth quarter, the company posted revenue of $1.41 billion, above analysts' estimates of $1.39 billion and adjusted EPS of $3.26 were, also above estimates
** Up to last close, stock has fallen 18% this year
(Reporting by Kritika Lamba in Bengaluru)
((Kritika.Lamba@thomsonreuters.com))