Big Sky Petroleum Corporation announced that Winnie Wong, the company's Chief Financial Officer, and Mark Brown, the company's Chief Executive Officer and a director of the company, have resigned effective December 3, 2018 to pursue other career opportunities. The company announced that it has appointed Sean Bromley as the company's new Chief Executive Officer and director and Yana Popova as the company's new Chief Financial Officer and director, filling in the vacancies created by the resignations of Ms. Wong and Mr. Brown.