** Locksley Resources LKY.AX jumps as much as 15.9% to A$0.255; marks largest intraday pct gain since August 25
** Mineral explorer signs A$750,000 ($493,875) supply agreement with copper explorer EV Resources EVR.AX for antimony materials
** Says initiative forms part of co's broader mine-to-market strategy to target supply for U.S. defense, energy markets
** EVR soars 20% to A$0.012; marks biggest intraday pct jump since mid July
** YTD, LKY surges 1,355.9%
($1 = A$1.5186)
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))