Riot Platforms, Inc. — Director's Dealing 2018

Sep 24, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Riot Blockchain, Inc. (RIOT)
CIK: 0001167419
Period of Report: 2018-09-20

Reporting Person: Ensey Christopher (Interim CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-20	Common Stock	M	24000	$0.00	Acquired	74000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-09-20	Restricted Stock Unit	$	M	24000	Acquired		Common Stock (24000)	Direct

Footnotes

F1: Represents the 24,000 vested Restricted Stock Units ("RSUs") reported in Column 5 of Table I on page one above, convertible into shares of the Issuer's Common Stock on a one-for-one basis pursuant to the Riot Blockchain, Inc. (f/k/a Bioptix, Inc.) Amended & Restated Equity Incentive Plan (the "Plan").

F2: Represents a restricted stock award granted to the Reporting Person by the Issuer under the Plan at no cost on September 20, 2018 in connection with the Reporting Person's appointment as interim Chief Executive Officer, which award vested on the date of grant, subject to the restrictions of the Plan.

F3: Includes a restricted stock option award of the option to purchase 50,000 shares of Common Stock granted on January 27, 2018 in connection with the Reporting Person's appointment as Chief Operating Officer, which option shall vest in 24 equal monthly installments over a two year period, beginning on the one month anniversary of the date of issuance at an option price of $18.50 per share.

F4: Not applicable.

F5: Represents only the 24,000 RSUs granted on September 20, 2018 and does not include RSUs previously reported.