X0306 4 2018-03-07 0001361983 ORBCOMM Inc. ORBC 0001587912 Milcos Constantine C/O ORBCOMM, INC. 395 W. PASSAIC STREET, SUITE 325 ROCHELLE PARK NJ 07662 true Sr VP Chief Accounting Officer Common Stock 2018-03-07 4 S 0 942 10.23 D 16887 D Stock Appreciation Right 6.6 Common Stock 6100 6100 D Stock Appreciation Right 5.92 Common Stock 6100 6100 D Restricted Stock Unit (Performance Vested) 0 Common Stock 2004 2004 D Restricted Stock Unit (Time Vested) 0 Common Stock 2004 2004 D The reporting person sold shares of common stock in the open market to cover income tax obligations associated with the vesting of Performance Vested Restricted Stock Units ("PV RSUs"), as disclosed on the reporting person's Form 4 filed on March 5, 2018. These sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, to cover tax withholding obligations. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.12 to $10.37, inclusive. The reporting person undertakes to provide to ORBCOMM Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. Each Time Vested Stock Appreciation Right ("TV SAR") represents the right to receive a payment measured by the increase in the fair market value of one share of common stock from the date of grant of the TV SAR to the date of exercise of the TV SAR. The TV SAR awards vested on January 1, 2016. The TV SAR awards expire on December 17, 2024 and have an exercise price of $6.60 per share, the closing price of the common stock on the grant date. Each TV SAR represents the right to receive a payment measured by the increase in the fair market value of one share of common stock from the date of grant of the TV SAR to the date of exercise of the TV SAR. The TV SAR awards vested on January 1, 2015. The TV SAR awards expire on December 12, 2023 and have an exercise price of $5.92 per share, the closing price of the common stock on the grant date. Each PV RSU represents the right to receive one share of common stock or its cash equivalent. The PV RSU will vest based on the achievement by the employee and/or the Company of certain performance targets for fiscal year 2018. Each Time Vested Restricted Stock Unit represents the right to receive one share of common stock or its cash equivalent on the vesting date, January 1, 2019. /s/ Christian Le Brun, by power of attorney 2018-03-09