Common use of Reserve Engineer Clause in Contracts

Reserve Engineer. Netherland, ▇▇▇▇▇▇ & Associates, Inc. (“NSAI”), whose audit letter containing its report effective as of December 31, 2016 (the “Reserve Report Letter”) is referenced in the Offering Memorandum, was, as of the date of each such report, and is, as of the date hereof, an independent petroleum engineer with respect to the Company.

Reserve Engineer. Netherland, ▇▇▇▇▇▇ & Associates, Inc. (“NSAI”), whose audit letter containing its report effective as of December 31, 2016 2015 (the “Reserve Report Letter”) is referenced in the Offering MemorandumRegistration Statement, the Pricing Disclosure Package and the Prospectus, was, as of the date of each such report, and is, as of the date hereof, an independent petroleum engineer with respect to the Company.

Reserve Engineer. Netherland, ▇▇▇▇▇▇ & Associates, Inc. (“NSAI”), whose audit letter containing its report effective as of December 31, 2016 2014 (the “Reserve Report Letter”) is referenced in the Offering MemorandumDisclosure Package and the Prospectus, was, as of the date of each such report, and is, as of the date hereof, an independent petroleum engineer with respect to the Company.