** Shares of medical supplies distributor Owens & Minor OMI.N fall 1.9% to $13.98 premarket

** Co reports preliminary Q4 revenue of $2.67 bln to $2.70 bln, below analysts' estimates of $2.73 bln - LSEG-compiled data

** Reports prelim Q4 adj. profit of 52 cents to 55 cents per share, compared with estimates of 53 cents per share

** Reports prelim Q4 adj. core earnings of $135 mln to $140 mln vs estimates of $155.51 mln

** "Today's announcement will likely create more questions about underlying margins given the adjusted EBITDA underperformance in the quarter (on softer revenues as well)" - brokerage Leerink Partners

** Co also says it is commencing a process to raise additional debt to finance its Rotech acquisition

** Co in July said it has agreed to buy medical equipment firm Rotech Healthcare for $1.36 billion in cash to expand its presence in home-based care

** Stock had fallen 32.2% in 2024

(Reporting by Sneha S K)

((Sneha.SK@thomsonreuters.com;))