Riot Blockchain announces purchase of additional 1,000 Bitmain S17 Pro Antminers

Riot Blockchain announces purchase of additional 1,000 Bitmain S17 Pro Antminers

Riot Blockchain, Inc. (NASDAQ: RIOT) ("Riot" or the "Company"), one of the few Nasdaq listed public cryptocurrency mining companies in the United States, announced the purchase of an additional 1,000 next generation Bitmain S17 Pro Antminers for approximately USD $1.35 million from BitmainTech PTE. LTD. ("Bitmain"). On December 4, 2019, Riot announced that it had purchased 3,000 S17 Pro miners. Once these total 4,000 miners are received and operational, Riot's Oklahoma City mining facility will utilize its 12 megawatt ("MW") available electric power supply mining with the newest generation of S17 Pro miners. This purchase was funded from Riot's available cash on hand.

The latest generation of Bitcoin ("BTC") Application-Specific Integrated Circuit ("ASIC") miners from Bitmain are markedly more cost efficient, estimated from product specifications at approximately a 50% improvement in hardware power efficiency, as compared to the S9 miners currently in use by Riot. As previously reported, Riot's gross margin percent, computed as mining revenues in excess of cost of revenues (exclusive of depreciation and amortization), was 14% in the three-month period ended September 30, 2019. The new generation miners are anticipated to generate approximately 440% of the  hashrate while only consuming an estimated 220% of the electricity usage, as compared to the S9 miners currently in use by Riot. This upgrade will allow Riot to significantly increase its operating hashrate at the Oklahoma City mining facility with fewer total miners using the same or less total electricity.

Riot estimates aggregate operating hashrate at the Oklahoma City mining facility, assuming full utilization of the facility's current total 12 megawatt ("MW") available electric supply and deployment of the total 4,000 next generation miners is estimated to be approximately 248 petahash per second ("PH/s"). This would represent an estimated 240% over Riot's present average mining hashrate. Riot anticipates that the 4,000 new miners will be deployed early in the first quarter of 2020 and are expected to represent over 90% of the Oklahoma City's mining facilities total current capacity. Pending future actual power costs and Bitcoin network economic conditions, it is expected that a portion of the existing S9 miners may also continue to be operational, especially during periods of low-cost electricity.

Riot's 107,600 square foot Oklahoma City mining facility has been in operation since early 2018. Riot has mined over 1,820 newly minted Bitcoin through the quarter ended September 30, 2019, in addition to lesser quantities of Litecoin and Bitcoin Cash. With this upgrade of its Oklahoma City mining facility, Riot has reinforced its confidence and focus in Bitcoin.

Riot's Oklahoma City mining facility's current electric costs are variable based upon peak demand. Riot is notified of hourly demand billing rates in advance and in order to strategically manage its operational costs; during periods when incremental electricity charges would exceed estimated revenue production, Riot curtails mining activities to reduce electric consumption. For the billing month of October 2019, direct electricity costs incurred averaged $0.0275 kWh with an approximate range of $0.01 to $0.07.

The Board of Directors and Management of Riot are very pleased to be in a position from a financial point of view to take advantage of this exciting new technology at a time when the manufacturer has recently significantly reduced the cost of the miners. While cryptocurrency mining continues to have challenges, including price volatility of Bitcoin, the opportunity to acquire significant additional net hashrate capacity on a very cost-effective basis was determined to be compelling. The decision was further enhanced given Riot's recent funding from its 2019 ATM Offering of common shares with no warrants or other rights and at prices appreciably higher than the current market. As previously reported, the Company's cash and digital asset balance as of September 30, 2019 totaled $18.3 million, with no long or short-term secured debt.


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