S Korea's KOSPO issued a tender on Sep 3 inviting its existing suppliers to sign 5-year coal supply contracts totaling close to 3 Mt, covering two coal grades. ELT10 covers a lower-CV grade with a guaranteed min CV of 4,300 Kcal/kg NAR. Its 1st contract year (Nov 2026) calls for a single 80 Kt cargo with FOB loading around Oct 2026, stepping up to 240 Kt/yr for the 2nd-5th years (Dec 2026-Nov 2030). ELT11 covers a high-CV grade with a guaranteed min CV of 5,700 Kcal/kg NAR. Its 1st contract year (Dec 2026) calls for a single 150 Kt cargo with FOB/CFR loading around Nov-Dec 2026, stepping up to 450 Kt/yr for the 2nd-5th years (Feb 2027-Jan 2031). Combined volume required totaling 2.99 Mt. Bids close 14:00 Korean Standard Time on Sep 9, 2026.