Common use of Equity Grant Clause in Contracts

Equity Grant. Nothing in this Agreement affects any prior grant by the Company to you of options to purchase shares of the Company’s common stock as set forth in Incentive Stock Option Agreements (“Stock Agreements”), which may be subject to the Proteostasis Therapeutics, Inc. 2008 Equity Incentive Plan (the “2008 Plan”) and/or the 2016 Stock Option and Incentive Plan (the “2016 Plan”) and, together with the Stock Agreements, the “Equity Documents”.

Equity Grant. Nothing in this Agreement affects any prior grant by the Company to you of options to purchase shares of the Company’s common stock as set forth in Incentive Stock Option Agreements (“Stock Agreements”), which may be are subject to the Proteostasis Therapeutics, Inc. 2008 Equity Incentive Plan (the “2008 Plan”) and/or the 2016 Stock Option and Incentive Plan (the “2016 Plan”) ” and, together with the Stock Agreements, the “Equity Documents”).

Equity Grant. Nothing in this Agreement affects any prior grant by the Company to you of options to purchase shares of the Company’s common stock as set forth in Incentive Stock Option Agreements (“Stock Agreements”), which may be are subject to the Proteostasis Therapeutics, Inc. 2008 Equity Incentive Plan (the “2008 Plan”) and/or and the 2016 Stock Option and Incentive Plan (the “2016 Plan”) and, together with the Stock Agreements, the “Equity Documents”.

Equity Grant. Nothing in this Agreement affects any prior grant by the Company to you of options to purchase shares of the Company’s common stock as set forth in Incentive Stock Option Agreements (“Stock Agreements”), which may be are subject to the Proteostasis Therapeutics, Inc. 2008 Equity Incentive Plan (the “2008 Plan”) and/or the and 2016 Stock Option and Incentive Plan (the “2016 Plan”) and, together with the Stock Agreements, the “Equity Documents”.

Equity Grant. Nothing in this Agreement affects any prior grant by the Company to you of options to purchase shares of the Company’s common stock as set forth in Incentive Stock Option Agreements (“Stock Agreements”), which may be subject to the Proteostasis Therapeutics, Inc. 2008 Equity Incentive Plan (the “2008 Plan”) and/or the 2016 Stock Option and Incentive Plan (the “2016 Plan”) and, together with the Stock Agreements, the “Equity Documents”. In connection with your promotion, you will receive additional options, as discussed.