X0508 4 2024-02-23 0000788965 HALLADOR ENERGY CO HNRG 0001032385 LUBAR DAVID J 833 E. MICHIGAN STREET SUITE 1500 MILWAUKEE WI 53202 1 1 0 Common Stock 2024-02-23 4 J 0 51168 6.254 A 1204040 I By Lubar Opportunities Fund I, LLC Common Stock 2788685 I Lubar Equity Fund Convertible Note-common stock 6.2540 2022-08-18 2024-08-17 Common Stock 1279182 1279182 I By Lubar Opportunities Fund I, LLC These securities are owned by Lubar Opportunities Fund I, LLC ("LOFI"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LOFI. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein. Per the terms of the Unsecured Convertible Notes, interest due may be paid in shares of the Issuer's common stock. The share price was $6.254, based on the 30 day VWAP on 7/28/2022 when the Notes were issued. These securities are owned by Lubar Equity Fund, LLC ("LEF"). Lubar & Co., Incorporated is the sole manager of the fund. Mr. David Lubar, as a director and President of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LEF. Mr. David Lubar disclaims beneficial ownership in the shares owned by LEF, except to the extent of his respective pecuniary interest therein. /s/ David J. Lubar 2024-02-27