Western Refining, Inc. (NYSE:WNR) Shareholder Notice: Investigation of Takeover by Tesoro Corporation

San Diego, CA -- (SBWIRE) -- 11/22/2016 -- An investigation on behalf of investors, who currently hold shares of Western Refining, Inc. (NYSE:WNR), was announced concerning whether the takeover of Western Refining, Inc. by Tesoro Corporation for a value of approximately 37.50% per share is unfair to NYSE:WNR stockholders.