Lead Debtor: New MACH Gen, LLC

                      1780 Hughes Landing, Suite 800

                      The Woodlands, TX 77380 

Type of Business: New MACH Gen owns and manages a portfolio of 

                             three natural gas-fired electric generating 

                             facilities located in the United States: (1) a 

                            1,080 MW facility located in Athens, New York, 

                            that achieved commercial operation on May 5, 

                            2004; (2) a 1,092 MW facility located in 

                            Maricopa County, Arizona, that achieved 

                            commercial operation on Sept. 11, 2004; and (3) 

                            a 360 MW facility, located in Charlton, 

                           Massachusetts, that achieved commercial 

                           operation on April 12, 2001.  The facilities 

                           dispatch electricity into three power markets, 

                           two of which are served by independent system 

                           operators and similar transmission interfaces 

                           across a geographically diverse area.  

                          Specifically, the Athens facility dispatches 

                          power into the region managed by the New York  

                          ISO, the Harquahala facility into the region 

                          served by the Western Electricity Coordinating 

                          Council, and the Millennium facility into the 

                          region managed by ISO New England.

Chapter 11 Petition Date: June 11, 2018

Affiliated companies that filed voluntary petitions seeking relief

under Chapter 11 of the Bankruptcy Code:

    Debtor                                                                  Case No.

    ------                                                                      --------

    New MACH Gen, LLC (Lead Debtor)                  18-11368

    MACH Gen GP, LLC                                            18-11369

    Millennium Power Partners, L.P.                          18-11370

    New Athens Generating Company, LLC              18-11371

    New Harquahala Generating Company, LLC       18-11372

Court: United States Bankruptcy Court

       District of Delaware (Delaware)

Judge: Hon. Mary F. Walrath