The Board of Atlas Energy, L.P announced the spin-off of Atlas Energy Group, LLC on October 13, 2014. The distribution will be made by Atlas Energy on a pro rata basis to its common unitholders, and, as a result of the distribution, New Atlas will become a separate, publicly traded company. As of November 5, 2014, a Form 10 registration statement with the U.S. Securities and Exchange Commission (SEC) was filed.

The transaction is subject to SEC having declared effective the Form 10, execution of ancillary agreements, Atlas Energy Group's common units to be distributed to Atlas Energy unitholders in the distribution having been accepted for listing on the NYSE, no order, injunction or decree issued by any court or agency of competent jurisdiction and completion of merger transaction between Targa Resources Corp. and Atlas Energy. The transaction is expected to be completed during the first quarter 2015.

As of January 28, 2015, Atlas Energy announced that February 25, 2015 will be the record date of the distribution. As announced on February 9, 2015, The Board of Directors of Atlas Energy, L.P. declared the distribution ratio for the spin-off. For every two common units of Atlas Energy, L.P, shareholders will receive one Atlas Energy Group common unit.

The common units of Atlas Energy Group is expected to trade on New York Stock Exchange by February 24, 2015 under the symbol "ATLS.wi". American Stock Transfer & Trust Company acted as distribution agent, transfer agent, and registrar for Atlas Energy, L.P. As of February 26, 2015, a separation and distribution agreement was entered into between Atlas Energy, L.P and Atlas Energy Group, LLC. RBC Dain Rauscher Corp.

acted as financial advisor for Atlas Energy, L.P.