ACNR Holdings, Inc safety activity

Unplanned roof fall discovered reportable midway in between #1 and #2 seal of the Motor Barn Seal Set air course. Fall approximately 50' long, 16' wide, and 6' high. Both sides of the fall can be examined, and all seals along set are travelable. No problems with equipment or compliance issues, training or PPE.

Employee was attempting to lower pipe from the rib line. The EE let the pipe down to fast and injured EE's left ribs. The cause of this incident was improper body mechanics. PPE was not a factor, mining systems was not a factor, compliance with rules and regs was not a factor, miner proficiency was a factor

Employee was attempting to assist to move power center cars. Employee was walking into the track spur and slipped, tripped and fell over a piece of pipe. The cause of this incident was improper body mechanics. PPE was not a factor, mining systems was not a factor, compliance with rules and regs was not a factor, miner proficiency was a factor.

At approx 2:57am on 7/23/25 an unplanned roof fall occurred at 15-17xc on the haulage. The roof fall measured approx 16'w x 10'h x 40'l. The fall was dangered off on all side and will be cleaned up.

Unplanned roof fall discovered reportable on 3 belt at 34 block. Fall primarily occurred in an adjacent crosscut and came over to the off side of the belt walkway. Fall was approximately 22' long, 8' wide, and 8' high. No problems with equipment or compliance issues, training or PPE.