** Shares of British packaging and paper company Mondi MNDI.L down 17.5% at 864.2 p, top loser on London's FTSE 100 .FTSE
** Q3 underlying core profit slumps 22% from Q2 to 223 million euros ($260.1 million) as subdued demand and prices weigh
** MNDI expects challenging conditions to persist for remainder of 2025 amid fragile customer confidence, oversupply and lower selling prices
** Co expects contributions to EBITDA from major projects to be around 30 million euro in FY2025
** "Read across is negative to the wider P&P sector, due to weak demand but more to graphic paper" - Jefferies analysts
** Shares of Nordic forestry firms Stora Enso STERV.HE, UPM UPM.HE, SCA SCAb.ST down 2% to 5%
** Up to Friday's close, stock had fallen ~11.5% so far this year
($1 = 0.8546 euros)
($1 = 0.8573 euros)
(Reporting by Simone Lobo in Bengaluru)
((Simone.Lobo@thomsonreuters.com; +919920570373;))