K-1 (Tax Info)

The 2012 Schedule K-1s will be mailed beginning on March 2, 2013 and are also available online through the K-1 reporting link listed below:

MarkWest Tax Reporting Package

This site provides you quick and easy access to your tax information, including the ability to:

  • View your 2012 tax schedules
  • Print your tax package including instructions
  • Automatically transfer amounts from your Schedule K-1 to IRS forms filed by individuals
  • Download a file of your Schedule K-1 information that can be imported into Turbo Tax software
  • Request changes to incorrect information

If you need further assistance or have any questions regarding your tax package, please contact the MarkWest Tax Support Line at (800) 232-0011.