Endeavour Holds Groundbreaking Ceremony to Mark the Start of Houndé Construction with President of Burkina Faso The ceremony celebrated an important milestone for both Endeavour and the government of Burkina Faso, as Houndé is expected to become the Company’s flagship low-cost mine and a prominent mine within the country OUAGADOUGOU, Burkina Faso, June 30, 2016/APO/ -- Endeavour Mining Corporation (TSX:EDV)(OTCQX:EDVMF) (the “Company”) (www.EndeavourMining.com) is pleased to announce that a ground-breaking ceremony was held today at its Houndé Project site in Burkina Faso. Construction began in April 2016 and is progressing on-time and on-budget with the first gold pour expected during the fourth quarter of 2017.
The ceremony celebrated an important milestone for both Endeavour and the government of Burkina Faso, as Houndé is expected to become the Company’s flagship low-cost mine and a prominent mine within the country. More than 10,000 people attended the ceremony in support of the project, including the President of Burkina Faso, the Prime Minister, the Minister of Energy, Mines and Carriers, numerous other Government ministers, officials and diplomats, senior community representatives and members, as well as Endeavour’s executive management, its Chairman of the Board, and Houndé employees. Roch Marc Christian Kaboré, President of Burkina Faso, stated: “We welcome Endeavour’s investment in Burkina Faso, and the company’s decision to make a long-term commitment to our country. This reflects the favourable investment environment that Burkina Faso has created for the mining sector, and is a strong signal of the future health of the gold mining industry in our country. The Houndé development will create hundreds of jobs, both directly in mining and also ancillary services, and the associated prosperity will raise living standards throughout the surrounding district. With the Houndé Project and the Karma mine, Endeavour Mining is becoming a key partner for our Country” Alpha Oumar Dissa, Minister of Energy, Mines and Carriers, stated: “We are extremely pleased with the advancement of the Houndé project, which demonstrates that the Houndé belt is amongst the world’s most prosperous gold mining regions. We look forward to continue to work closely with Endeavour and the surrounding communities as they bring this flagship project to life. Congratulations to everyone involved, I know the Houndé Mine will benefit the Tuy region for generations to come.” Sébastien de Montessus, CEO of Endeavour, stated: “We are honored to share this important event with President Kaboré, his Prime Minister, his Minister of Energy, Mines and Carriers, and the numerous government representatives here in support of the Houndé project. This strong governmental presence demonstrates Houndé’s importance for both Endeavour and the country. The partnership between Endeavour and every level of government in Burkina Faso exemplifies our collaborative and local approach to building mines in West Africa. Burkina Faso is a key focus for Endeavour, and we are proud to be a contributor to the economy and to our communities.”

About the Houndé Project

Once in production, Endeavour’s 90%-owned Houndé Project will become the Company’s flagship low-cost mine, ranking amongst West Africa’s top tier cash generating mines, with an average annual production of 190,000 ounces at an All-In Sustaining Cost (“AISC”) of US$709/oz over an initial 10-year mine life based on reserves. Moreover, in its first 4 years, the average annual production is expected to be 235,000 ounces at an AISC of US$610/oz.   The project is an open pit mine with a 3.0Mtpa gravity circuit/ Carbon-In-Leach plant. The initial capital cost is estimated at $328 million, inclusive of $46 million for the owner-mining fleet. Construction began in April 2016 and is progressing on-time and on-budget with the first gold pour expected during the fourth quarter of 2017. Endeavour will employ up to 1,800 people during Houndé’s construction phase and 470 once the project reaches commercial production, with an objective of employing 90% Burkinabe nationals and a focus on increasing female employment in the region. Significant achievements to date: Distributed by APO on behalf of Endeavour Mining Corporation.Additional photos: http://apo.af/PcjCGa Contacts: Vincent Benoit EVP – Strategy & Business Development +33 (0)1 70 38 36 96 vbenoit@endeavourmining.com DFH Public Affairs in Toronto John Vincic (416) 206-0118 x.224 jvincic@dfhpublicaffairs.com Martino De Ciccio VP – Strategy & Investor Relations +33 (0)1 70 38 36 95 mdeciccio@endeavourmining.com Brunswick Group LLP in London Carole Cable, Partner +44 7974 982 458 ccable@brunswickgroup.com About Endeavour Mining Corporation: Endeavour Mining (www.EndeavourMining.com) is a TSX-listed intermediate gold producer, focused on developing a portfolio of high quality mines in the prolific West-African region, where it has established a solid operational and construction track record.  Endeavour is ideally positioned as the major pure West-African multi-operation gold mining company, operating 5 mines in Côte d’Ivoire (Agbaou and Ity), Burkina Faso (Karma), Mali (Tabakoto), and Ghana (Nzema). In 2016, it expects to produce between 535koz and 560koz at an AISC of US$870 to US$920/oz, excluding Karma which is in the commissioning stage. Endeavour is currently building its Houndé project in Burkina Faso, which is expected to commence production in Q4-2017 and to become its flagship low-cost mine with an average annual production of 190koz at an AISC of US$709/oz over an initial 10-year mine life based on reserves. The development of the Houndé project is expected to lift Endeavour’s group production +900kozpa and decrease its average AISC to circa $800/oz by 2018, while exploration aims to extend all mine lives to +10 years.  Qualified Persons: Adriaan “Attie” Roux, Pr.Sci.Nat, Endeavour’s Chief Operating Officer, is a Qualified Person under NI 43-101, and has reviewed and approved the operational analysis, operating and capital estimates, and other technical information in this news release.