Fatality #3 through #31 - April 5, 2010

Accident Classification: Ignition or Explosion of Gas or Dust

Location: Upper Big Branch Mine-South, West Virginia

Mine Controller: Massey Energy Company

Mine Type: Underground

Mined Material: Coal (Bituminous)

Incident Date/Time: April 5, 2010 03:02 pm

FINAL REPORT

Performance Coal Company
Upper Big Branch Mine-South
Massey Energy Company
Mine ID: 46-08436

Fatal Underground Mine Explosion
April 5, 2010

Due to the extensive nature of this report, we have chosen to break it down into pieces. This should make viewing this report a bit easier. We are providing you with the report without the appendices included, the report with the appendices included, the appendices in one file, and the appendices as separate files. You may download any of these files.