‘Yahoo Financial Portal includes wrong information on CEGX’

Dublin OH, May 19, 2015 — Cardinal Energy Group, Inc. (OTCQB: CEGX) reports that the Yahoo Financial Portal is posting incorrect information. The portal is posting information for Cardinal Energy, Ltd. of Calgary Alberta Canada. Cardinal Energy LTD has no association whatsoever with Cardinal Energy Group, Inc. with offices in Dublin Ohio and Abilene Texas.

“We have worked very hard to build Cardinal into a respectable independent oil producer,” remarks Timothy Crawford, Chairman and Chief Executive Officer of CEGX. He goes on to say, “You can imagine our surprise to see the wrong company’s information linked to our company’s headline on a major financial portal like Yahoo Finance. We are working diligently to correct this misinformation and any confusion between our companies. The wrong posting by Yahoo has caused us considerable harm in relation to our investment community that relies on the accuracy of public company information posted by the financial sites. Please be aware of this situation when making your assessment of CEGX for inclusion in your investment portfolio. We are Cardinal Energy Group, Inc. trading under the symbol CEGX on the OTC:QB. Please excuse this issue, as we have no power over it, yet we are reaching out to Yahoo to fix the problem.”