GLASSHOUSE TECHNOLOGIES,INC. 2007 EQUITY INCENTIVE PLAN NOTICE OFSTOCK OPTION GRANT

This option becomes exercisable in installments, as shown in the Notice of Stock Option Grant.

This option may become exercisable on an accelerated basis pursuant to Section 1`.3 of the Plan.

In addition, this option shall become exercisable in full if:

•     The Company is subject to a Change in Control before your Service terminates.

•     Your Service terminates due to your death.

This option will in no event become exercisable for additional shares after your Service has terminated for any reason except as set forth above.

When you wish to exercise this option, you must notify the Company by filing the proper “Notice of Exercise” form at the address given on the form. Your notice must specify how many shares you wish to purchase. Your notice must also specify how your shares should be registered. The notice will be effective when the Company receives it.

If someone else wants to exercise this option after your death, that person must prove to the Company’s satisfaction that he or she is entitled to do so.

•        Your personal check, a cashier’s check or a money order.

•        Certificates for shares of Company stock that you own, along with any forms needed to effect a transfer of those shares to the Company. The value of the shares, determined as of the effective date of the option exercise, will be applied to the option exercise price. Instead of surrendering shares of Company stock, you may attest to the ownership of those shares on a form provided by the Company and have the same number of shares subtracted from the option shares issued to you.

•        Irrevocable directions to a securities broker approved by the Company to sell all or part of your option shares and to deliver to the Company from the sale proceeds an amount sufficient to pay the option exercise price and any withholding taxes. (The balance of the sale proceeds, if any, will be delivered to you.) The directions must be given by signing a special “Notice of Exercise” form provided by the Company.

Prior to your death, only you may exercise this option. You cannot transfer or assign this option. For instance, you may not sell this option or use it as security for a loan. If you attempt to do any of these things, this option will immediately become invalid. You may, however, dispose of this option in your will or a beneficiary designation.

Regardless of any marital property settlement agreement, the Company is not obligated to honor a notice of exercise from your former spouse, nor is the Company obligated to recognize your former spouse’s interest in your option in any other way.

The text of the Plan is incorporated in this Agreement by reference. Capitalized terms not otherwise defined herein shall have the meanings set forth in the Plan.

This Agreement and the Plan constitute the entire understanding between you and the Company regarding this option. Any prior agreements, commitments or negotiations concerning this option are superseded. This Agreement may be amended only by another written agreement between the parties.

This option becomes exercisable in installments, as shown in the Notice of Stock Option Grant.

This option may become exercisable on an accelerated basis pursuant to Section 11.3 of the Plan.

In addition, this option shall become exercisable in full if:

•     The Company is subject to a Change in Control before your Service terminates.

•     Your Service terminates due to your death.

This option will in no event become exercisable for additional shares after your Service has terminated for any reason except as set forth above.

When you wish to exercise this option, you must notify the Company by filing the proper “Notice of Exercise” form at the address given on the form. Your notice must specify how many shares you wish to purchase. Your notice must also specify how your shares should be registered. The notice will be effective when the Company receives it.

If someone else wants to exercise this option after your death, that person must prove to the Company’s satisfaction that he or she is entitled to do so.

When you submit your notice of exercise, you must include payment of the option exercise price for the shares that you are purchasing. To the extent permitted by applicable law, payment may be made in one (or a combination of two or more) of the following forms:

•     Your personal check, a cashier’s check or a money order.

•     Certificates for shares of Company stock that you own, along with any forms needed to effect a transfer of those shares to the Company. The value of the shares, determined as of the effective date of the option exercise, will be applied to the option exercise price. Instead of surrendering shares of Company stock, you may attest to the ownership of those shares on a form provided by the Company and have the same number of shares subtracted from the option shares issued to you.

•     Irrevocable directions to a securities broker approved by the Company to sell all or part of your option shares and to deliver to the Company from the sale proceeds an amount sufficient to pay the option exercise price and any withholding taxes. (The balance of the sale proceeds, if any, will be delivered to you.) The directions must be given by signing a special “Notice of Exercise” form provided by the Company.

Withholding

Taxes and Stock Withholding

Prior to your death, only you may exercise this option. You cannot transfer or assign this option. For instance, you may not sell this option or use it as security for a loan. If you attempt to do any of these things, this option will immediately become invalid. You may, however, dispose of this option in your will or a beneficiary designation.

Regardless of any marital property settlement agreement, the Company is not obligated to honor a notice of exercise from your former spouse, nor is the Company obligated to recognize your former spouse’s interest in your option in any other way.

The text of the Plan is incorporated in this Agreement by reference. Capitalized terms not otherwise defined herein shall have the meanings set forth in the Plan.

This Agreement and the Plan constitute the entire understanding between you and the Company regarding this option. Any prior agreements, commitments or negotiations concerning this option are superseded. This Agreement may be amended only by another written agreement between the parties.