X0306 4 2015-08-14 0 0000946486 DISCOVERY LABORATORIES INC /DE/ DSCO 0001301047 Leone John R 2600 KELLY ROAD SUITE 100 WARRINGTON PA 18976 1 0 0 0 Common Stock 2015-08-14 4 A 0 16667 0.00 A 96623 D Non-Qualified Stock Option (Right to Buy) 1.17 2015-08-14 4 A 0 15000 0 A 2016-08-14 2025-08-14 Common Stock 15000 15000 D Restricted stock units (RSUs), which represent a contingent right to receive the equivalent number of shares of common stock. The RSUs shall fully vest upon the first anniversary of the grant date or as provided under the Award Agreement and 2011 Plan. Stock option shall fully vest upon the first anniversary of the grant date or as provided under the Award Agreement and 2011 Plan. John A. Tattory, as Attorney in Fact 2015-08-18