VeriSign (VRSN)

PERFORMANCE BASED RESTRICTED STOCK UNIT AGREEMENT

The Board of Directors of VeriSign, Inc. has approved a grant to you (the “Participant” named below) of Restricted Stock Units (“RSUs”) pursuant to the VeriSign, Inc. 2006 Equity Incentive Plan (the “Plan”), as set forth in this RSU Agreement (“Agreement”). Capitalized terms not defined herein shall have the meaning ascribed to them in the Plan.

1. Vesting Schedules. The RSUs will vest as determined under the following schedules. Except as provided below, the RSUs shall be forfeited upon Participant’s Termination Date.

(a) Performance-Based Vesting – One hundred percent (100%) of the RSUs shall vest on the third anniversary of the Date of Grant if all of the following criteria have been satisfied: (i) Participant’s Termination Date has not occurred prior to such third anniversary; and (ii) the Stock Price Target (defined below) has been attained at any time during the thirty-six (36) month period beginning on the Date of Grant; and (iii) if required to be deductible under Section 162(m) of the Code, certification of achievement of the Stock Price Target by the Committee. The Stock Price Target will be deemed to have been attained if during any sixty (60) consecutive trading days prior to the third anniversary of the Date of Grant the average closing price of the Company’s common stock equals or exceeds the Stock Price Target, as reported by the Nasdaq Global Select Market.

(b) Time-Based Vesting – If on the third anniversary of the Date of Grant the conditions for Performance-Based Vesting have not been satisfied, then fifty percent (50%) of the RSUs shall vest on the fourth anniversary of the Date of Grant if Participant’s Termination Date has not occurred prior to such fourth anniversary. The remaining fifty percent (50%) shall be forfeited on the third anniversary of the Date of Grant.

(c) Vesting if Termination is due to Death or Disability – If Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant by reason of Participant’s death or “disability” (as defined in regulations promulgated under Section 409A of the Code), then: (i) if the Stock Price Target has been attained as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095), shall vest on such Termination Date; or (ii) if the Stock Price Target is attained after such Termination Date, but no later than the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is attained.

(d) Vesting For Non-Section 16 Officers Following a Change-in-Control – If at the time of a Change-in-Control Participant is not an officer of the Company who is subject to Section 16 of the Exchange Act (a “Section 16 Officer”), and if this Agreement is not assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target, which will cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest immediately prior to consummation of the Change-in-Control.

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If at the time of a Change-in-Control Participant is not a Section 16 Officer, then if this Agreement is assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target which shall cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest on the earlier to occur of (A) Participant’s Termination Date if Participant’s Termination Date falls within the twenty-four (24) months following the Change-in-Control and is due to an Involuntary Termination, or (B) the third anniversary of the Date of Grant (fourth anniversary of the Date of Grant if the Change-in-Control occurs after the third anniversary of the Date of Grant), provided that the Participant is still an employee of the Company on such anniversary date.

(e) [SECTION 16 OFFICERS ONLY] Pro Rata Vesting if Termination is due to an Involuntary Termination of a Section 16 Officer – If on the Date of Grant, Participant is a Section 16 Officer, then if Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant and is due to an Involuntary Termination or a resignation for Good Reason, then: (i) if the Stock Price Target has been met as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095) shall vest on such Termination Date; or (ii) if the Stock Price Target is met after such Termination Date, but no later than the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is met. One hundred percent (100%) of the RSUs will be forfeited if the Stock Price Target is not met by the third anniversary of the Date of Grant.]

PERFORMANCE BASED RESTRICTED STOCK UNIT AGREEMENT

The Board of Directors of VeriSign, Inc. has approved a grant to you (the “Participant” named below) of Restricted Stock Units (“RSUs”) pursuant to the VeriSign, Inc. 2006 Equity Incentive Plan (the “Plan”), as set forth in this RSU Agreement (“Agreement”). Capitalized terms not defined herein shall have the meaning ascribed to them in the Plan.

1. Vesting Schedules. The RSUs will vest as determined under the following schedules. Except as provided below, the RSUs shall be forfeited upon Participant’s Termination Date.

(a) Performance-Based Vesting - One hundred percent (100%) of the RSUs shall vest on the third anniversary of the Date of Grant if all of the following criteria have been satisfied: (i) Participant’s Termination Date has not occurred prior to such third anniversary; and (ii) the Stock Price Target (defined below) has been attained at any time during the thirty-six (36) month period beginning on the Date of Grant; and (iii) if required to be deductible under Section 162(m) of the Code, certification of achievement of the Stock Price Target by the Committee. The Stock Price Target will be deemed to have been attained if during any sixty (60) consecutive trading days prior to the third anniversary of the Date of Grant the average closing price of the Company’s common stock equals or exceeds the Stock Price Target, as reported by the Nasdaq Global Select Market.

(b) Time-Based Vesting - If on the third anniversary of the Date of Grant the conditions for Performance-Based Vesting have not been satisfied, then fifty percent (50%) of the RSUs shall vest on the fourth anniversary of the Date of Grant if Participant’s Termination Date has not occurred prior to such fourth anniversary. The remaining fifty percent (50%) shall be forfeited on the third anniversary of the Date of Grant.

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(c) Vesting if Termination is due to Death or Disability - If Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant by reason of Participant’s death or “disability” (as defined in regulations promulgated under Section 409A of the Code), then: (i) if the Stock Price Target has been attained as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095), shall vest on such Termination Date; or (ii) if the Stock Price Target is attained after such Termination Date, but no later than the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is attained.

(d) Vesting For Non-Section 16 Officers Following a Change-in-Control - If at the time of a Change-in-Control Participant is not an officer of the Company who is subject to Section 16 of the Exchange Act (a “Section 16 Officer”), and if this Agreement is not assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target, which will cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest immediately prior to consummation of the Change-in-Control.

If at the time of a Change-in-Control Participant is not a Section 16 Officer, then if this Agreement is assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target which shall cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest on the earlier to occur of (A) Participant’s Termination Date if Participant’s Termination Date falls within the twenty-four (24) months following the Change-in-Control and is due to an Involuntary Termination, or (B) the third anniversary of the Date of Grant (fourth anniversary of the Date of Grant if the Change-in-Control occurs after the third anniversary of the Date of Grant), provided that the Participant is still an employee of the Company on such anniversary date.

(e) Pro Rata Vesting if Termination is due to an Involuntary Termination of a Section 16 Officer - If on the Date of Grant, Participant is a Section 16 Officer, then if Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant and is due to an Involuntary Termination or a resignation for Good Reason, then: (i) if the Stock Price Target has been met as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095) shall vest on such Termination Date; or (ii) if the Stock Price Target is met after such Termination Date, but no later than

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the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is met. One hundred percent (100%) of the RSUs will be forfeited if the Stock Price Target is not met by the third anniversary of the Date of Grant.]

PERFORMANCE BASED RESTRICTED STOCK UNIT AGREEMENT

The Board of Directors of VeriSign, Inc. has approved a grant to you (the “Participant” named below) of Restricted Stock Units (“RSUs”) pursuant to the VeriSign, Inc. 2006 Equity Incentive Plan (the “Plan”), as set forth in this RSU Agreement (“Agreement”). Capitalized terms not defined herein shall have the meaning ascribed to them in the Plan.

1. Vesting Schedules. The RSUs will vest as determined under the following schedules. Except as provided below, the RSUs shall be forfeited upon Participant’s Termination Date.

(a) Performance-Based Vesting – One hundred percent (100%) of the RSUs shall vest on the third anniversary of the Date of Grant if all of the following criteria have been satisfied: (i) Participant’s Termination Date has not occurred prior to such third anniversary; and (ii) the Stock Price Target (defined below) has been attained at any time during the thirty-six (36) month period beginning on the Date of Grant; and (iii) if required to be deductible under Section 162(m) of the Code, certification of achievement of the Stock Price Target by the Committee. The Stock Price Target will be deemed to have been attained if during any sixty (60) consecutive trading days prior to the third anniversary of the Date of Grant the average closing price of the Company’s common stock equals or exceeds the Stock Price Target, as reported by the Nasdaq Global Select Market.

(b) Time-Based Vesting – If on the third anniversary of the Date of Grant the conditions for Performance-Based Vesting have not been satisfied, then fifty percent (50%) of the RSUs shall vest on the fourth anniversary of the Date of Grant if Participant’s Termination Date has not occurred prior to such fourth anniversary. The remaining fifty percent (50%) shall be forfeited on the third anniversary of the Date of Grant.

(c) Vesting if Termination is due to Death or Disability – If Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant by reason of

Participant’s death or “disability” (as defined in regulations promulgated under Section 409A of the Code), then: (i) if the Stock Price Target has been attained as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095), shall vest on such Termination Date; or (ii) if the Stock Price Target is attained after such Termination Date, but no later than the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is attained.

(d) Vesting For Non-Section 16 Officers Following a Change-in-Control – If at the time of a Change-in-Control Participant is not an officer of the Company who is subject to Section 16 of the Exchange Act (a “Section 16 Officer”), and if this Agreement is not assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target, which will cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest immediately prior to consummation of the Change-in-Control.

If at the time of a Change-in-Control Participant is not a Section 16 Officer, then if this Agreement is assumed by the Successor on terms and conditions identical to that of the original award, with the exception of the Stock Price Target which shall cease to apply, then one hundred percent (100%) (fifty percent (50%) if the Change-in-Control occurs after the third anniversary of the Date of Grant) of the RSUs shall vest on the earlier to occur of (A) Participant’s Termination Date if Participant’s Termination Date falls within the twenty-four (24) months following the Change-in-Control and is due to an Involuntary Termination, or (B) the third anniversary of the Date of Grant (fourth anniversary of the Date of Grant if the Change-in-Control occurs after the third anniversary of the Date of Grant), provided that the Participant is still an employee of the Company on such anniversary date.

(e) [SECTION 16 OFFICERS ONLY] Pro Rata Vesting if Termination is due to an Involuntary Termination of a Section 16 Officer – If on the Date of Grant, Participant is a Section 16 Officer, then if Participant’s Termination Date occurs prior to the third anniversary of the Date of Grant and is due to an Involuntary Termination or a resignation for Good Reason, then: (i) if the Stock Price Target has been met as of such Termination Date, a pro rata portion of the RSUs (calculated by multiplying the number of RSUs by a fraction, the numerator of which is the number of days from the Date of Grant to the Termination Date and the denominator of which is 1095) shall vest on such Termination Date; or (ii) if the Stock Price Target is met after such Termination Date, but no later than the third anniversary of the Date of Grant above, then the pro rata portion of the RSUs (calculated consistent with subsection (i) above) shall vest on the date the Stock Price Target is met. One hundred percent (100%) of the RSUs will be forfeited if the Stock Price Target is not met by the third anniversary of the Date of Grant.]