Series A

The Company has designated 215 shares of preferred stock as Series A Preferred Stock (“Series A”). Each share of Series A is convertible, at the option of the holder thereof, at any time, into shares of the Company’s common stock at a conversion price of $0.363 per share. On November 16, 2009, the Company sold 215 shares of Series A with attached warrants to purchase an aggregate of 1,628,800 shares of the Company’s common stock at $0.33 per share. The Series A shares were sold at a price per share of $5,000 and each Series A share is convertible into approximately 13,774 shares of common stock at a conversion price of $0.363 per share. The Company received $1,075,000 from the sale of the Series A shares. In prior years, 30 of the preferred shares issued on November 16, 2009 were converted to shares of the Company’s common stock. In a prior year, the redemption feature available to the Series A holders expired.

Series B

The Company has designated 538 shares of preferred stock as Series B Preferred Stock (“Series B”). Each share of Series B is convertible, at the option of the holder thereof, at any time, into shares of the Company’s common stock at a conversion price of $0.13 per share. On August 4, 2010, the Company sold 267 shares of Series B with attached warrants to purchase an aggregate of 5,134,626 shares of the Company’s common stock at $0.13 per share. The Series B shares were sold at a price per share of $5,000 and each Series B share was convertible into approximately 38,461 shares of common stock at a conversion price of $0.13 per share. The Company received $1,335,000 from the sale of the Series B shares on August 4, 2010.  On April 8, 2011, the Company sold 271 additional shares of Series B with attached warrants to purchase an aggregate of 5,211,542 shares of the Company’s common stock at $0.13 per share. The Series B shares were sold at a price per share of $5,000 and each Series B share was convertible into approximately 38,461 shares of common stock at a conversion price of $0.13 per share. The Company received $1,355,000 from the sale of the Series B shares on April 8, 2011. In prior years, 486 of the preferred shares issued on August 4, 2010 and April 8, 2011 were converted to shares of the Company’s common stock. In a prior year, the redemption feature available to the Series B holders expired.

Preferred stock carries certain preference rights as detailed in the Company’s Amended Articles of Incorporation related to both the payment of dividends and as to payments upon liquidation in preference to any other class or series of capital stock of the Company. As of March 31, 2017, the liquidation preference of the preferred stock is based on the following order: first, Series B with a preference value of $398,570, which includes cumulative accrued unpaid dividends of $138,570, and second, Series A with a preference value of $1,470,367, which includes cumulative accrued unpaid dividends of $545,367. As of December 31, 2016, the liquidation preference of the preferred stock is based on the following order: first, Series B with a preference value of $393,435, which includes cumulative accrued unpaid dividends of $133,435, and second, Series A with a preference value of $1,452,114, which includes cumulative accrued unpaid dividends of $527,114.