January 21, 2016

Noble Energy, Inc. (“Noble Energy” or “the Company”) (NYSE: NBL) today announced the early tender results for its previously announced tender offers to purchase up to approximately $1.4 billion aggregate principal amount of its 5.875% Senior Notes due 2024, 5.875% Senior Notes due 2022 and 5.625% Senior Notes due 2021 (collectively, the “Notes”) that were validly tendered and not validly

Rowan Companies plc (“Rowan” or the “Company”) (RDC) announced today that its report of drilling rig status and contract information has been updated as of January 20, 2016.  The report titled “Fleet Status Report” can be found on the Company’s website at www.rowan.com. Rowan intends to provide quarterly updates to this report in 2016. Notable events in the current report include:

Total and Zarubezhneft have agreed to adjust their participation in the Kharyaga Production Sharing Agreement whereby Total will transfer a 20% interest together with operatorship to Zarubezhneft. Following the completion of the transaction Total will retain a 20% interest in Kharyaga alongside Zarubezhneft (40%, operator), Statoil (30%) and Nenets Oil Company (10%). The transaction is subject to the approval of

Gran Tierra Energy Inc. (“Gran Tierra” or the “Company“) (NYSE MKT:GTE)(TSX:GTE), a company focused on oil exploration and production in Colombia, today announced the Company’s 2015 year-end estimated reserves as evaluated by the Company’s independent qualified reserve evaluator McDaniel & Associates Consultants Ltd. (“McDaniel“) in a report with an effective date of December 31, 2015 (the “GTE McDaniel Reserves Report“).