Simpson Thacher is representing TASC, Inc., a portfolio company of KKR and General Atlantic, in connection with its proposed sale to Engility Holdings, Inc. (NYSE: EGL) in an all-stock transaction valued at $1.1 billion, including the assumption of net debt.  Upon consummation of the transaction, TASC’s stockholders will own approximately 51% of the combined company.  The transaction, which is expected to close in the first quarter of 2015, is subject to shareholder and regulatory approval and other customary closing conditions.

The Simpson Thacher team includes Marni Lerner, Sebastian Tiller, Judy Huang and Lauren Shohat (M&A); Rob Holo, Sophie Staples and George Davis (Tax); James Cross, Christian Fischer and Adam Shapiro (Credit); Joseph Kaufman (Capital Markets); David Rubinsky, David Teigman and Holly Gurian (Executive Compensation and Employee Benefits); Adeeb Fadil and Louise Kruger (Environmental); Lori Lesser (Intellectual Property); Peter Thomas, Cheryl Scarboro and David Caldwell (Regulatory); and Michael Naughton (Competition).