Simpson Thacher is representing Alta Energy Luxembourg S.à.r.l. in connection with the sale of its entire acreage position in the Duvernay shale formation to Chevron Canada Limited.  The terms of the transaction were not disclosed.  Alta Energy Luxembourg S.à.r.l. is an investment vehicle indirectly owned by affiliates of The Blackstone Group and Alta Resources LLC.  Chevron Canada Limited is an indirect subsidiary of Chevron Corporation.

The Simpson Thacher team includes Andy Calder, John Pitts, Mickey Baden (M&A); Gary Mandel, Jonathan Goldstein and Sophie Staples (Tax); and Jonathan Karen (Investment Fund Matters).