| Explanation of Responses: |
| (1) | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.95 to $2.03, 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. |
| (2) | 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 (January 3, 2017) to the date of exercise of the TV SAR. One-third of the 30,000 TV SAR awards vested on each of January 1, 2018 and 2019 and the rest will vest on January 1, 2020. The TV SAR awards expire on January 3, 2027 and have an exercise price of $8.58 per share, the closing price of the common stock on the grant date. |
| (3) | 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 (December 17, 2014) 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. |
| (4) | 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 (December 12, 2013) 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. |
| (5) | Each Performance Vested Stock Appreciation Right ("PV 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 PV SAR (March 2, 2011) to the date of exercise of the PV SAR. In March 2012, 32,500 PV SARs of the 50,000 PV SAR awards originally granted vested based on the achievement by the employee and/or the Company of certain performance targets for fiscal year 2011 and 17,500 PV SARs lapsed unvested. The PV SARs expire on March 2, 2021 and have an exercise price of $3.65 per share, the closing price of the common stock on the grant date. |
| (6) | Each PV 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 PV SAR (March 7, 2012) to the date of exercise of the PV SAR. In March 2013, 34,687 PV SARs of the 50,000 PV SAR awards originally granted vested based on the achievement by the employee and/or the Company of certain performance targets for fiscal year 2012 and 15,313 PV SARs lapsed unvested. The PV SARs expire on March 7, 2022 and have an exercise price of $3.42 per share, the closing price of the common stock on the grant date. |
| (7) | 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 (October 26, 2011) to the date of exercise of the TV SAR. The TV SAR awards vested on December 31, 2011. The TV SAR awards expire on October 26, 2021 and have an exercise price of $2.74 per share, the closing price of the common stock on the grant date. |
| (8) | 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 (October 24, 2012) to the date of exercise of the TV SAR. The TV SAR awards vested on January 1, 2014. The TV SAR awards expire on October 24, 2022 and have an exercise price of $3.53 per share, the closing price of the common stock on the grant date. |
| (9) | Each Performance Vested Restricted Stock Unit ("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 2020. |
| (10) | Each Time Vested Restricted Stock Unit ("TV RSU") represents the right to receive one share of common stock or its cash equivalent on the vesting date, January 1, 2021. |
| (11) | The 2018 Performance Unit Award ("PUA") represents the right to receive up to 45% of the reporting person's 2018 base salary, in cash, common stock or a combination of both, as determined by the Committee. The 2018 PUA was allocated in 3 equal amounts (15% of 2018 base salary) to each of 2018, 2019 and 2020 and vests and is payable only if the stock price reaches specified price targets as of 12/31 of each year and the reporting person is employed by the Company as of the vesting and payment dates. No portion of the 2018 PUA vests if the threshold stock price is not reached for that year. If the stock price is above the threshold level for that year, the amount of the 2018 PUA that vests and is payable will increase up to the maximum portion of the 2018 PUA allocated to that year. |
| (12) | The market price of the Company's common stock as of 12/31 of each year is based on average daily closing prices of the common stock for the 20 trading days immediately prior to 12/31. |
| (13) | The 2019 PUA represents the right to receive up to 45% of the reporting person's 2019 base salary, in cash, common stock or a combination of both, as determined by the Committee. The 2019 PUA was allocated in 3 equal amounts (15% of 2019 base salary) to each of 2019, 2020 and 2021 and will vest and be payable only if the stock price reaches specified price targets as of 12/31 of each year and the reporting person is employed by the Company as of the vesting and payment dates. No portion of the 2019 PUA will vest if the threshold stock price is not reached for that year. If the stock price is above the threshold level for that year, the amount of the 2019 PUA that will vest and be payable will increase up to the maximum portion of the 2019 PUA allocated to that year. The market price of the Company's common stock as of 12/31 of each year will be based on average daily closing prices of the common stock for the 20 trading days immediately prior to 12/31. |
| (14) | The 2020 PUA represents the right to receive up to 45% of the reporting person's 2020 base salary, in cash, common stock or a combination of both, as determined by the Committee. The 2020 PUA is allocated in 3 equal amounts (15% of 2020 base salary) to each of 2020, 2021 and 2022 and will vest and be payable only if the stock price reaches specified price targets as of 12/31 of each year and the reporting person is employed by the Company as of the vesting and payment dates. No portion of the 2020 PUA will vest if the threshold stock price is not reached for that year. If the stock price is above the threshold level for that year, the amount of the 2020 PUA that vests and is payable will increase up to the maximum portion of the 2020 PUA allocated to that year. The market price of the Company's common stock as of 12/31 of each year will be based on average daily closing prices of the common stock for the 20 trading days immediately prior to 12/31. |