EGHT

SEC source: 0001023731-17-000050 · primary_doc.xml · nonDerivative · entry 1

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 960,590

F1 · kind: 3,854 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000049 · primary_doc.xml · derivative · entry 6

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 736,311

Underlying: Common Stock · 17,560 shares

Expires 2018-10-21

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F6 · derivative.exercise_date: PSUs do not vest unless and until average closing price of 8x8 common stock over any 30 consecutive trading day period within 4 years from the grant date exceeds 150% of grant date closing price; then, at rate of 25% on each anniversary of grant date.

SEC source: 0001023731-17-000049 · primary_doc.xml · derivative · entry 5

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 753,871

Underlying: Common Stock · 18,023 shares

Expires 2018-10-21

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · kind: 18,023 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

F6 · derivative.exercise_date: PSUs do not vest unless and until average closing price of 8x8 common stock over any 30 consecutive trading day period within 4 years from the grant date exceeds 150% of grant date closing price; then, at rate of 25% on each anniversary of grant date.

SEC source: 0001023731-17-000049 · primary_doc.xml · derivative · entry 4

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 771,894

Underlying: Common Stock · 14,258 shares

Expires 2018-10-21

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at October 21, 2015, one-fourth of such at October 21, 2016, one-fourth of such at October 21, 2017, and one-fourth of such at October 21, 2018.

SEC source: 0001023731-17-000049 · primary_doc.xml · derivative · entry 3

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 786,152

Underlying: Common Stock · 14,635 shares

Expires 2018-10-21

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 14,635 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at October 21, 2015, one-fourth of such at October 21, 2016, one-fourth of such at October 21, 2017, and one-fourth of such at October 21, 2018.

SEC source: 0001023731-17-000049 · primary_doc.xml · nonDerivative · entry 2

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 648,084

F2 · kind: 18,023 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000049 · primary_doc.xml · nonDerivative · entry 1

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 630,061

F1 · kind: 14,635 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000048 · primary_doc.xml · derivative · entry 7

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,263

Underlying: Common Stock · 7,693 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 19, 2019 and (2) 50% on September 19 2020, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000048 · primary_doc.xml · derivative · entry 6

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,956

Underlying: Common Stock · 12,778 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · kind: 12,778 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 19, 2019 and (2) 50% on September 19 2020, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000048 · primary_doc.xml · derivative · entry 5

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,734

Underlying: Common Stock · 9,957 shares

Expires 2017-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F6 · kind: As previously reported on a Form 4, the reporting person was awarded 21,028 performance share units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2017, the first installment of 10,514 PSUs vested at 194.71 % of target, such that 20,471 shares became issuable. Of these shares, 7,693 were issued to the reporting person and the remaining 5,129 were withheld to pay the associated tax liability. The 9,957 units reported in Table II correspond to the additional shares issued in excess of 10,514 share target for the first vesting installment.

SEC source: 0001023731-17-000048 · primary_doc.xml · derivative · entry 4

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,777

Underlying: Common Stock · 5,232 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000048 · primary_doc.xml · derivative · entry 3

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,009

Underlying: Common Stock · 8,691 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 8,691 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000048 · primary_doc.xml · nonDerivative · entry 2

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,351

F2 · kind: 12,778 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000048 · primary_doc.xml · nonDerivative · entry 1

GENOVESE MARY ELLEN P · CIK 0001242007 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,573

F1 · kind: 8,691 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000047 · primary_doc.xml · derivative · entry 7

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 800,787

Underlying: Common Stock · 86,210 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000047 · primary_doc.xml · derivative · entry 6

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 886,997

Underlying: Common Stock · 88,483 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · kind: 88,483 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000047 · primary_doc.xml · derivative · entry 5

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 975,480

Underlying: Common Stock · 84,973 shares

Expires 2017-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F6 · kind: As previously reported on a Form 4, the reporting person was awarded 179,440 performance share units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2017, the first installment of 89,720 PSUs vested at 194.71 % of target, such that 174,693 shares became issuable. Of these shares, 88,483 were issued to the reporting person and the remaining 86,210 were withheld to pay the associated tax liability. The 84,973 units reported in Table II correspond to the additional shares issued in excess of 89,720 share target for the first vesting installment.

SEC source: 0001023731-17-000047 · primary_doc.xml · derivative · entry 4

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 890,507

Underlying: Common Stock · 19,544 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000047 · primary_doc.xml · derivative · entry 3

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 910,051

Underlying: Common Stock · 20,060 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 20,060 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000047 · primary_doc.xml · nonDerivative · entry 2

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 615,426

F2 · kind: 88,483 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000047 · primary_doc.xml · nonDerivative · entry 1

Verma Vikram · CIK 0001539401 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526,943

F1 · kind: 20,060 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000046 · primary_doc.xml · derivative · entry 7

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,506

Underlying: Common Stock · 6,494 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000046 · primary_doc.xml · derivative · entry 6

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,000

Underlying: Common Stock · 7,155 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · kind: 7,155 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000046 · primary_doc.xml · derivative · entry 5

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,155

Underlying: Common Stock · 6,639 shares

Expires 2017-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F6 · kind: As previously reported on a Form 4, the reporting person was awarded 14,020 performance share units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2017, the first installment of 7,010 PSUs vested at 194.71 % of target, such that 13,649 shares became issuable. Of these shares, 7,155 were issued to the reporting person and the remaining 6,494 were withheld to pay the associated tax liability. The 6,639 units reported in Table II correspond to the additional shares issued in excess of 7,010 share target for the first vesting installment.

SEC source: 0001023731-17-000046 · primary_doc.xml · derivative · entry 4

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,516

Underlying: Common Stock · 4,416 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000046 · primary_doc.xml · derivative · entry 3

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,932

Underlying: Common Stock · 4,866 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 4,866 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000046 · primary_doc.xml · nonDerivative · entry 2

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,197

F2 · kind: 7,155 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000046 · primary_doc.xml · nonDerivative · entry 1

Hakeman Darren J. · CIK 0001586614 · SVP Product and Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,042

F1 · kind: 4,866 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000045 · primary_doc.xml · derivative · entry 7

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 956,736

Underlying: Common Stock · 7,176 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22, 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000045 · primary_doc.xml · derivative · entry 6

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 963,912

Underlying: Common Stock · 6,473 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · kind: 6,473 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22, 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000045 · primary_doc.xml · derivative · entry 5

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 970,385

Underlying: Common Stock · 6,639 shares

Expires 2017-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F6 · kind: As previously reported on a Form 4, the reporting person was awarded 14,020 performance share units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2017, the first installment of 7,010 PSUs vested at 194.71% of target, such that 13,649 shares became issuable. Of these shares, 6,473 were issued to the reporting person and the remaining 7,176 were withheld to pay the associated tax liability. The 6,639 units reported in Table II correspond to the additional shares issued in excess of 7,010 share target for the first vesting installment.

SEC source: 0001023731-17-000045 · primary_doc.xml · derivative · entry 4

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 963,746

Underlying: Common Stock · 4,880 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000045 · primary_doc.xml · derivative · entry 3

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 968,626

Underlying: Common Stock · 4,402 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 4,402 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such at September 22, 2017, one-fourth of such at September 22, 2018, and one-fourth of such at September 22, 2019.

SEC source: 0001023731-17-000045 · primary_doc.xml · nonDerivative · entry 2

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 973,028

F2 · kind: 6,473 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000045 · primary_doc.xml · nonDerivative · entry 1

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 966,555

F1 · kind: 4,402 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000044 · primary_doc.xml · derivative · entry 7

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,481

Underlying: Common Stock · 5,129 shares

Expires 2018-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F7 · derivative.exercise_date: RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 22 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table.

SEC source: 0001023731-17-000044 · primary_doc.xml · derivative · entry 5

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,130

Underlying: Common Stock · 6,639 shares

Expires 2017-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F6 · kind: As previously reported on Form 4, the reporting person was awarded 14,020 performance shares units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2017 the first installment of 7,010 PSUs vested at 194.71% of target such that 13,649 shares became issuable. Of these shares 8,520 were issued to the reporting person and the remaining 5,129 were withheld to pay the associated tax liability. The 6,639 units reported in Table II correspond to the additional shares issued in excess of the 7,010 share target for the first vesting installment.

SEC source: 0001023731-17-000044 · primary_doc.xml · derivative · entry 4

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,491

Underlying: Common Stock · 3,488 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F5 · kind: Payment of tax liability by withholding securities incident to vesting of restricted stock units.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such shares at September 22, 2017, one-fourth of such shares at September 22, 2018 and one-fourth of such shares at September 22, 2019.

SEC source: 0001023731-17-000044 · primary_doc.xml · derivative · entry 3

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,979

Underlying: Common Stock · 5,794 shares

Expires 2019-09-22

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 5,794 Restricted Stock Units became fully vested and have been converted to Common Stock.

F4 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such shares at September 22, 2017, one-fourth of such shares at September 22, 2018 and one-fourth of such shares at September 22, 2019.

SEC source: 0001023731-17-000044 · primary_doc.xml · nonDerivative · entry 2

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,212

F2 · kind: 8,520 Performance-based Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000044 · primary_doc.xml · nonDerivative · entry 1

Arora Puneet · CIK 0001631287 · SVP Global Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,692

F1 · kind: 5,794 Restricted Stock Units became fully vested and have been converted to Common Stock.

SEC source: 0001023731-17-000033 · primary_doc.xml · derivative · entry 3

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 962,153

Underlying: Common Stock · 3,390 shares

Expires 2020-09-20

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F4 · kind: 3,390 Restricted Stock Units Became Fully vested and have been withheld due to payment of tax liability incident to vesting of Restricted Stock Unit.

F3 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 20, 2017, one-fourth of such shares at September 20, 2018, one-fourth of such shares at September 20, 2019 and one-fourth of such shares at September 20, 2020.

SEC source: 0001023731-17-000033 · primary_doc.xml · derivative · entry 2

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 965,543

Underlying: Common Stock · 3,390 shares

Expires 2020-09-20

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F1 · kind: 3,058 Restricted Stock units became fully vested and have been converted to Common stock.

F3 · derivative.exercise_date: This award vests at the rate of one-fourth of such shares at September 20, 2017, one-fourth of such shares at September 20, 2018, one-fourth of such shares at September 20, 2019 and one-fourth of such shares at September 20, 2020.

SEC source: 0001023731-17-000033 · primary_doc.xml · nonDerivative · entry 1

MARTIN BRYAN R · CIK 0001085676 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 968,601

F1 · kind: 3,058 Restricted Stock units became fully vested and have been converted to Common stock.

SEC source: 0001023731-17-000032 · primary_doc.xml · derivative · entry 2

Singh Jaswinder Pal · CIK 0001590497 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,065

Underlying: Common Stock · 11,832 shares

Expires 2017-09-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · derivative.exercise_date: This award shall vest 100% on the first anniversary of the date of grant, subject to the director's completion of his current year of Board service.

SEC source: 0001023731-17-000032 · primary_doc.xml · nonDerivative · entry 1

Singh Jaswinder Pal · CIK 0001590497 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,960

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001023731-17-000031 · primary_doc.xml · derivative · entry 2

SALZMAN ERIC · CIK 0001512117 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,065

Underlying: Common Stock · 11,832 shares

Expires 2017-09-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · derivative.exercise_date: This award shall vest 100% on the first anniversary of the date of grant, subject to the director's completion of his current year of Board service.

SEC source: 0001023731-17-000031 · primary_doc.xml · nonDerivative · entry 1

SALZMAN ERIC · CIK 0001512117 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,584

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001023731-17-000030 · primary_doc.xml · derivative · entry 2

JACIMOVIC VLADIMIR S · CIK 0001242241 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,328

Underlying: Common Stock · 11,832 shares

Expires 2017-09-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

F2 · derivative.exercise_date: This award shall vest 100% on the first anniversary of the date of grant, subject to the director's completion of his current year of Board service.

SEC source: 0001023731-17-000030 · primary_doc.xml · nonDerivative · entry 1

JACIMOVIC VLADIMIR S · CIK 0001242241 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,960

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.