** Shares of Australia's Allkem AKE.AX fall as much as 5%
to A$11.41; set for its worst day since Sept. 21
** The lithium miner flags increasing capital costs for its
projects, including the Canadian James Bay project
** Raises capital cost estimates for James Bay to $381.5
mln, a 33.8% jump compared to from Dec 2021 estimate
** Raises cost estimate for Cauchari lithium brine project
in Argentina to $659 mln from $446 mln; flags rise in operating
costs $4,081 per tonne lithium carbonate equivalent from $3,560
** Co, which is merging with U.S. lithium giant Livent
LTHM.N , says increase in estimates in line with rising
inflationary pressures
** Stock has risen 6.9% this year, as of last close
(Reporting by Rishav Chatterjee in Bengaluru)
((Rishav.Chatterjee@thomsonreuters.com;))