X0206 3 2013-08-21 0 0001311596 Regado Biosciences Inc RGDO 0000901066 KIERLIN ROBERT A 2001 THEURER BOULEVARD WINONA MN 55987 0 0 1 0 Common Stock, par value $0.001 per share 22478 D Series A Preferred Stock, par value $0.001 per share 2004-11-19 Common Stock, par value $0.001 per share 201785 D Series B Preferred Stock, par value $0.001 per share 2005-07-27 Common Stock, par value $0.001 per share 87325 D Series B Preferred Stock, par value $0.001 per share 2005-08-12 Common Stock, par value $0.001 per share 12725 D Series C Preferred Stock, par value $0.001 per share 2007-03-15 Common Stock, par value $0.001 per share 199050 D Series D Preferred Stock, par value $0.001 per share 2009-12-17 Common Stock, par value $0.001 per share 998004 D Series D Preferred Stock, par value $0.001 per share 2011-05-25 Common Stock, par value $0.001 per share 394871 D Series E Preferred Stock, par value $0.001 per share 2012-12-18 Common Stock, par value $0.001 per share 344317 D Series E Preferred Stock, par value $0.001 per share 2013-03-22 Common Stock, par value $0.001 per share 299401 D The shares of Series A Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series A Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. The shares of Series B Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series B Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. The shares of Series C Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series C Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. The shares of Series D Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series D Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. The shares of Series E Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series E Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. /s/ Robert Kierlin 2013-08-21