ACNR Holdings, Inc safety activity

Unplanned roof fall discovered reportable in the old 11 belt entry, which is now common with 9 South track, at 82 1/2 block. Fall was approx. 10' high, 16' wide and 30' long. The fall will not be cleaned up or re-supported. No problems with equipment or compliance issues, training or PPE.

Employee was carrying a spool on EE's shoulder through the Golden Ridge Bottom Cut Through, when EE's left thumb was caught between the spool and the roof. Compliance with rules/regs, PPE, mining equip/systems not a factor. Miner proficiency may be a factor.

Injured employee was helping hang the continuous miner cable. Lifted it to EE's shoulder and then up into a hanger. Felt pain in EE's shoulder and later after work, EE noticed a small knot and swelling in EE's shoulder. Reported the incident on 3-9-26 and sought treatment that day and began missing work. No rules or regulations were violated and EE Was wearing required PPE.

Employee was cleaning at belt tail when EE stepped into a hole and twisted EE's ankle. EE also fell and injured EE's wrist. PPE was not a factor, mining systems was not a factor, compliance with rules and regulations was not a factor.

Injured stopped EE's motor outby the 9 North 27 block switch underneath a 6" aqualine (water discharge line). When EE stood up, EE struck EE's head on the airline causing pain in EE's lower neck (previously injured 4/28/25). No problems with equipment or compliance issues, training or PPE.

The mine received a Self-Insured Employer Decision on 3/5/26 from a medical report dated 10/17/25. The report identifies a 12.55% permanent partial disability (hearing loss) possibly from occupational noise exposure. Employee has been retired since 4/16/25.

IE experienced skin irritation after exposure to water over the boots while searching for a damaged coupler. Incident was not the result of a training or compliance issue.

IE experienced skin irritation after exposure to water over the boots while searching for a damaged coupler. Incident was not the result of a training or compliance issue.

Employee was operating dump truck when it became stuck in mud. While attempting to get pushed out of mud by another piece of equipment, the dump truck moved or jolted causing employee to injure their neck. PPE was not a factor, mining systems was not a factor, compliance with rules and regulations was not a factor.

Employee experienced skin irritation following a cumulative exposure to water over their boots while searching for a damaged coupler. This incident did not involve any aspect of compliance with rules and regulations; mine equipment or mining system; job skills and miner proficiency, training and attitude; or protective items relating to clothing, or protective devices on equipment.

IE experienced skin irritation after exposure to water over the boots while searching for a damaged coupler. Incident was not the result of a training or compliance issue.

An unplanned roof fall occurred on 3/5/2026 at 11:50 am. The fall measured 16' long by 13' wide by 8' high. The fall occurred in #1 entry just in by 90 crosscut in the 6 South Mains. The area was dangered off and will be cleaned up.