X0508 4 2024-02-12 0000352955 CKX LANDS, INC. CKX 0001360802 Stream William Gray 2417 SHELL BEACH DRIVE LAKE CHARLES LA 70601 1 1 President 0 Common Stock 2024-02-12 4 M 0 25881 0 A 78200 D Common Stock 2024-02-12 4 F 0 8033 13 D 70167 D Common Stock 34000 I By Stream Family Limited Partnership Common Stock 67317 I Sierra Pelican, L.L.C Common Stock 7844 I Stream Investment Holdings II, L.L.C. Performance Shares 2024-02-12 4 M 0 25881 0 D 2024-07-15 Common Stock 25881 98451 D The Reporting Person disclaims ownership of the reported securities owned by Stream Family Limited Partnership, Sierra Pelican, L.L.C., and Stream Investment Holdings II, L.L.C., except to the extent of his pecuniary interest therein. Each unvested performance share represents a contingent right to receive one share of the Issuer's common stock. Various percentages of the performance share award vest if the closing price of the Issuer's common stock equals or exceeds, for at least ten consecutive trading days during the performance period, prices of $13, $14, $14.50 and $15 per share. The performance period is July 15, 2020 to July 15, 2024. The Issuer's common stock met the $13 trading price target on February 12, 2024, and 18.47% of the award vested on that date. /s/ William Gray Stream 2024-03-22