‘Mr. Jordan rejoins CEGX as its Chief Financial Officer’

Dublin OH, May 27, 2015 — Cardinal Energy Group, Inc. (OTCQB: CEGX) is pleased to announce that John Jordan has rejoined CEGX management as Chief Financial Officer. Gary Peterson will move to the Controller position.

Mr. Jordan has over 40 years’ experience as an accounting and financial services professional with an extensive background in the oil and gas and geothermal energy industries in the United States and overseas. He has held a wide variety of leadership positions in private industry, community, volunteer and service organizations. Mr. Jordan spent over 36 years with Unocal Corporation and its successor Chevron Corporation in various assignments within the Comptroller’s Department. He served as Manager, Transition Accounting, where he managed the accounting function at former Unocal corporate headquarters from date of acquisition through final integration with Chevron’s accounting and internal control systems. Mr. Jordan also served as Manager, Corporate Reporting, where he oversaw the preparation of SEC filing and registration statements, and reviewed and issued annual and quarterly reports and press releases. He holds a Bachelor of Science in Accounting and Business Management and a Masters of Business Administration, both from Pepperdine University.

Timothy Crawford, CEO of Cardinal Energy stated, “We welcome Mr. Jordan back. His extensive oil and gas experience adds to the strength of our accounting team. John did a superb job for us as our CFO, before he went into retirement to pursue his community service work with Disabled Veterans. We convinced him to come back to help us with our corporate filings and oversight of all CEGX’s financial matters as we continue our growth in Texas.”