Supernus Pharmaceuticals Inc. Watch

from 8-K 95 pages Supernus Pharmaceuticals, Inc. and Wilmington Trust, National Association as Trustee Indenture Dated as of March 19, 2018 0.625% Convertible Senior Notes Due 2023

from 8-K 48 pages $350,000,000 Supernus Pharmaceuticals, Inc. 0.625% Convertible Senior Notes Due 2023 Purchase Agreement

from SC 13D/A 1 page Power of Attorney

from SC 13D/A 1 page Power of Attorney

from SC 13D 1 page Power of Attorney

from 8-K 4 pages First Supplemental Indenture

from 8-K 80 pages Security and Pledge Agreement Dated as of May 3, 2013 Among Each Grantor From Time to Time Party Hereto and U.S. Bank National Association as Collateral Agent for the Secured Parties 7.50% Convertible Senior Secured Notes Due 2019

from 8-K 121 pages 7.50% Convertible Senior Secured Notes Due 2019 Indenture Between Supernus Pharmaceuticals, Inc., as Issuer and U.S. Bank National Association, as Trustee and Collateral Agent Dated as of May 3, 2013

from S-1/A 6 pages Amendment No. 2 to Stock Restriction Agreement

from S-1/A 23 pages Stock Restriction Agreement

from S-1/A 6 pages Amendment No. 2 to Stockholders’ Voting Agreement

from S-1/A 19 pages Stockholders’ Voting Agreement

from S-1/A 2 pages Supernus Pharmaceuticals, Inc. This Certifies That Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value Per Share, of Incorporated Under the Laws of the State of Delaware Supernus Pharmaceuticals, Inc. Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Countersigned and Registered: Computershare Trust Company, N.A. (Cranford, New Jersey) Transfer Agent and Registrar by Authorized Signature Vice President & Treasurer President & CEO Common Stock Common Stock Supernus Pharmaceuticals, Inc. Corporate Delaware Seal 2005 Cusip 868459 10 8 See Reverse for Certain Definitions and Restrictions, if Any

from S-1/A 10 pages Warrant to Purchase Stock

from S-1/A 3 pages Secured Promissory Note

from S-1/A 3 pages Secured Promissory Note - 2

from S-1/A 3 pages Secured Promissory Note - 1

from S-1/A 11 pages Amended and Restated Warrant to Purchase Stock

from S-1/A 11 pages Warrant to Purchase Stock

from S-1/A 2 pages Secured Promissory Note