Subject to the terms and conditions set forth in this Agreement, the Company wishes to sell to the Buyer, and the Buyer wishes to buy from the Company, up to Twenty-two Million Dollars ($22,000,000) of the Company’s common stock, par value $0.001 per share (the “Common Stock”). The shares of Common Stock to be purchased hereunder are referred to herein as the “Purchase Shares.”

Subject to the terms and conditions set forth in this Agreement, the Company wishes to sell to the Buyer, and the Buyer wishes to buy from the Company, up to Twelve Million Dollars ($12,000,000) of the Company’s common stock, par value $0.001 (the “Common Stock”). The shares of Common Stock to be purchased hereunder are referred to herein as the “Purchase Shares.”

Subject to the terms and conditions set forth in this Agreement, ​ wishes to sell to ​, and ​ wishes to buy from ​, shares of ​'s common stock, $0.000666 par value (the “Common Stock”), subject to the terms and conditions of this Agreement. The shares of Common Stock purchased hereunder are referred to herein as the “Purchase Shares.”

Purchaser agrees to buy and the Company agrees to sell and issue to Purchaser shares of common stock, par value $0.01 per share (the “Common Stock”), of the Company for an aggregate purchase price (the “Purchase Price”) equal to the product of # the aggregate number of shares of Common Stock the Purchaser has agreed to purchase and # the purchase price per share of Common Stock, each as set forth on the signature page hereto. The Purchase Price is set forth on the signature page hereto.

Reference is made to that certain Purchase Agreement, dated as of September 21, 2018 (the “Purchase Agreement”), entered into by and between ​, ​ (the “Company”), and ​ (the “Buyer”) pursuant to which the Company has agreed to issue to the Buyer shares of the Company's Common Stock, par value $0.001 per share (the “Common Stock”), in an amount up to Five Million Dollars ($5,000,000) (the “Purchase Shares”), in accordance with the terms of the Purchase Agreement. In connection with the transactions contemplated by the Purchase Agreement, the Company has registered with the U.S. Securities & Exchange Commission up to 3,727,387 shares of Common Stock to be issued to the Buyer upon purchase by the Buyer from the Company from time to time (the “Purchase Shares”).