Corporate UpdateMAMMOTH ANNOUNCES APPOINTMENT OF NEW DIRECTOR AND PROVIDES CORPORATE UPDATE ON EXPLORATION ACTIVITIES AT ITS TENORIBA PRECIOIUS METAL PROPERTY, MEXICO V.MTH | May 25, 2017 Toronto, Canada (May 25, 2017) - Mammoth Resources Corp. (TSX-V: MTH), (the Company) is pleased to announce the appointment of Mr. Paul OBrien as a director of the company. Mr. OBrien has a total of 21 years experience in the mining business, including more than seven years in gold equity research covering developing companies to senior producers as well as precious metals forecasting, during which time he was ranked in the top five of Wall Street Journal's "Best on the Street Analyst Survey" for North American Mining Analysts two years in a row. In addition Mr. OBrien has 12 years experience in corporate advisory and investment banking primarily focused on the mining industry where he gained global mining capital markets experience in Canada and Australia as a member of bank-owned capital markets groups. Mr. OBrien received his B. Com from McMaster University and is a CFA Charterholder. Mr. OBriens appointment remains to be approved by the TSX however, the board of Mammoth is confident such approval will be received in a timely manner. A total of 175,000 options exercisable at $0.08 under the terms of the Companys Option Plan have been issued to Mr. OBrien in his role as a director and Chair of the Companys Audit Committee. At this same time Ms. Wanda Cutler will resign from the board of the Company due to other professional obligations. Thomas Atkins, President and CEO of Mammoth would like to take this opportunity to thank Ms. Cutler for her generous and thoughtful contributions to the Company over the past two years and welcomes Mr. OBrien to the board and looks forward to working with him in the future as the Company develops its Tenoriba precious metal project in Chihuahua State, Mexico. Corporate Update: Signed Two Year Agreements for Surface Access. The Company would like to report that it has signed two year extensions with two ejidos; the Baborigame and Santa Rosa ejidos which govern surface access at the Companys Tenoriba project. These agreements require cash payments totalling C$1,700 per year and permit Mammoth, among other activities, to build road access on the property and perform diamond drilling at Tenoriba. Commenced Field Program at Tenoriba. Mammoth would also like to announce that it began its surface sampling and road construction program previously announced on March 31, 2107 which was to include mechanical trenching and channel sampling, construction of access to facilitate drilling plus some in-fill mapping and sampling on the recently announced PIMA geochemical sampling program. To date 4 channels have been cut totalling 65 metres wherein a total of 49 samples were collected at Tenoriba from areas the Company considers intriguing as drill targets for final confirmation prior to locating drill holes. The bulldozer that is to build the drill access road has mobilized to site and will soon commence road work. It is expected that through this road work and the excavating of trenches that additional channel sampling will be performed. It is expected that the road work will take approximately 3 weeks to complete. Sample results from the first phase channel sampling are expected to be received within the next two weeks. Read more at https://www.stockhouse.com/news/press-releases/2017/05/25/mammoth-announces-appointment-of-new-director-and-provides-corporate-update-on#y9iZFgWjXAh6SbRK.99