X0203 3 2011-07-28 0 0001492426 HORIZON PHARMA, INC. HZNP 0001342821 Himawan Jeff C/O HORIZON PHARMA, INC. 1033 SKOKIE BLVD., SUITE 355 NORTHBROOK IL 60062 1 0 1 0 Series A Preferred Stock Common Stock 1431467 I See footnote Series B Preferred Stock Common Stock 179317 I See footnote Convertible Promissory Notes Common Stock 3257173.46 I See footnote Warrant to Purchase Series A Preferred Stock 5.201 2015-10-31 Series A Preferred Stock 67970 I See footnote Warrant to Purchase Series A Preferred Stock 5.201 2016-07-02 Series A Preferred Stock 33985 I See footnote Warrant to Purchase Series A Preferred Stock 5.201 2016-09-25 Series A Preferred Stock 42484 I See footnote The shares of Series A Preferred Stock and Series B Preferred Stock have no expiration date and are convertible at any time at the election of the holder and will automatically convert into shares of common stock in connection with the Issuer's initial public offering. Held of record by Essex Woodlands Health Ventures Fund VII, L.P. (the "Fund"). The Reporting Person is a manager of Essex Woodlands Health Ventures VII, L.L.C., which is the general partner of Essex Woodlands Health Ventures VII, L.P., the general partner of the Fund. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein. Principal and accrued interest will convert upon the Issuer's initial public offering into shares of Common Stock at a conversion price equal to the lesser of (i) the public offering price of the Common Stock sold in the Issuer's initial public offering, or (ii) $18.92. Amounts shown are reported in US dollars. Additional interest will accrue prior to conversion. The warrants are immediately exercisable and shall terminate on the earlier of the expiration date referenced above or the occurrence of other specified corporate transactions. Includes interest accrued through the date hereof; additional interest will accrue prior to conversion. /s/ Jeff Himawan 2011-07-28