Grant of stock options Buffalo Coal Corp. Incorporated in Canada and the Republic of South Africa (Registration number: 2011/011661/10) Share code TSX Venture Exchange: BUF Share code JSE Limited: BUC ISIN: CA1194421014 (“Buffalo Coal Corp.” or “Buffalo” or “the Group” or “the Company”) GRANT OF STOCK OPTIONS TORONTO, ONTARIO – Marketwired - May 25, 2021: Buffalo Coal Corp. announces the grant of an aggregate of 9,250,000 stock options to certain of its directors, officers and key management members. Each stock option allows the holder thereof to acquire one common share of the Company at a price of $0.02 per share and is exercisable for a period of four (4) years from the date of the grant. 8,350,000 of the stock options granted will be exercisable following satisfactory attainment of certain key milestones and 900,000 stock options will vest in annual tranches of 1/3 each commencing on May 24, 2022. These stock option grants are governed by the Company’s stock option plan. “We are pleased to acknowledge the efforts of several members of our Company through the granting of these stock options”, said Emma Oosthuizen, Chief Executive Officer of the Company. “We have also designed the vesting of a significant component of these stock options to be dependent on the achievement of key milestones in an effort to ensure that stock option grants foster value creation for Buffalo’s stakeholders”, added Ms. Oosthuizen. About Buffalo Buffalo is a coal producer in South Africa. It holds a majority interest in two operating mines through its 100% interest in Buffalo Coal Dundee, a South African company which has a 70% interest in Zinoju. Zinoju holds a 100% interest in the Magdalena bituminous mine and the Aviemore anthracite mine in South Africa. Buffalo Coal has an experienced coal-focused management team. The Company has its primary listing on the TSX Venture Exchange and has a secondary listing on the Alternative Exchange, operated by the JSE Limited. Neither the Toronto Venture Exchange, nor its regulation services provider (as that term is defined in the policies of the exchange), accepts responsibility for the adequacy or accuracy of this release. FOR FURTHER INFORMATION PLEASE CONTACT: Emma Oosthuizen Chief Executive Officer Email: Emma.Oosthuizen@buffalocoal.co.za Registered office: Greytown Road, Industrial Area Dundee Kwazulu-Natal 3000 25 May 2021 Designated Advisor: Questco Corporate Advisory Proprietary Limited Date: 25-05-2021 03:37:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.