PPLI

SEC source: 0001179110-21-006006 · edgar.xml · derivative · entry 6

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock, par value $0.0001 · 300,000 shares

Expires 2027-02-14

F3 · security: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F3 · kind: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006006 · edgar.xml · derivative · entry 5

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock, par value $0.0001 · 200,000 shares

Expires 2026-02-10

F3 · security: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F3 · kind: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006006 · edgar.xml · derivative · entry 4

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common Stock, par value $0.0001 · 400,000 shares

Expires 2025-06-24

F3 · security: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F3 · kind: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006006 · edgar.xml · derivative · entry 3

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock, par value $0.0001 · 100,000 shares

Expires 2024-08-01

F3 · security: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F3 · kind: In connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006006 · edgar.xml · nonDerivative · entry 2

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · Held through grantor retained annuity trust

Disclosed balance after: 199,433

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006006 · edgar.xml · nonDerivative · entry 1

LEVIN JOSEPH · CIK 0001442083 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,088,181

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F2 · balance_after: Includes:(i) 88,181 shares of IAC common stock held directly by Mr. Levin and (ii) 3,000,000 restricted shares of IAC common stock. The shares of restricted stock cliff vest on the ten-year anniversary of the grant date (November 5, 2020), subject to Mr. Levin's continued employment through the vesting date and the satisfaction of applicable stock price performance goals (as amended to reflect the Spin-Off). Some or all of the shares of restricted stock may vest earlier upon a qualifying termination of employment or an election to measure performance on an earlier date beginning on the sixth anniversary of the grant date. Mr. Levin has the right to vote the shares of restricted stock during the restricted period and is entitled to receive ordinary cash dividends on such shares during the restricted period, but only to the extent that the applicable stock price performance goals have been met as of the dividend record date.

SEC source: 0001179110-21-006018 · edgar.xml · derivative · entry 6

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006018 · edgar.xml · derivative · entry 5

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006018 · edgar.xml · derivative · entry 4

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006018 · edgar.xml · derivative · entry 3

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006018 · edgar.xml · nonDerivative · entry 1

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,434

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006009 · edgar.xml · derivative · entry 5

Stein Mark J · CIK 0001295515 · EVP & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,517

Underlying: Common Stock, par value $0.0001 · 166,517 shares

Expires 2025-02-15

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

F4 · derivative.expiration_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

SEC source: 0001179110-21-006009 · edgar.xml · derivative · entry 4

Stein Mark J · CIK 0001295515 · EVP & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock, par value $0.0001 · 150,000 shares

Expires 2027-02-14

F2 · security: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F2 · kind: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006009 · edgar.xml · derivative · entry 3

Stein Mark J · CIK 0001295515 · EVP & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock, par value $0.0001 · 150,000 shares

Expires 2026-02-10

F2 · security: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F2 · kind: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006009 · edgar.xml · derivative · entry 2

Stein Mark J · CIK 0001295515 · EVP & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock, par value $0.0001 · 200,000 shares

Expires 2025-09-17

F2 · security: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

F2 · kind: n connection with the Spin-Off, IAC stock options were converted into IAC and Vimeo, Inc. stock options, with adjustments (to maintain pre- and post-Spin-Off values) to, in the case of IAC stock options, the per share exercise prices to reflect the Spin-Off. These previously granted stock options have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-off. Reflects IAC stock options, as adjusted on the basis described immediately above.

SEC source: 0001179110-21-006009 · edgar.xml · nonDerivative · entry 1

Stein Mark J · CIK 0001295515 · EVP & CSO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,696

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006022 · edgar.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006022 · edgar.xml · derivative · entry 5

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F7 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F7 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006022 · edgar.xml · derivative · entry 4

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006022 · edgar.xml · derivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006022 · edgar.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,469

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F2 · balance_after: Includes: (i) 39,476 shares of IAC common stock held directly by the reporting person and (ii) 25,993 share units accrued under IAC's Non-Employee Director Deferred Compensation Plans as of the date of this report.

SEC source: 0001179110-21-006007 · edgar.xml · derivative · entry 3

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,752

Underlying: Common Stock, par value $0.0001 · 27,752 shares

Expires 2025-02-15

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

F4 · derivative.expiration_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

SEC source: 0001179110-21-006007 · edgar.xml · nonDerivative · entry 2

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · Spouse

Disclosed balance after: 68,284

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F2 · balance_after: The reporting person disclaims beneficial ownership of such shares of IAC common stock except to the extent of any pecuniary interest therein.

SEC source: 0001179110-21-006007 · edgar.xml · nonDerivative · entry 1

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,662

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006025 · edgar.xml · derivative · entry 6

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006025 · edgar.xml · derivative · entry 5

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006025 · edgar.xml · derivative · entry 4

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006025 · edgar.xml · derivative · entry 3

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006025 · edgar.xml · nonDerivative · entry 1

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,200

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006017 · edgar.xml · derivative · entry 7

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006017 · edgar.xml · derivative · entry 6

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006017 · edgar.xml · derivative · entry 5

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006017 · edgar.xml · derivative · entry 4

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F3 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006017 · edgar.xml · nonDerivative · entry 2

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Through a trust, of which the reporting person is trustee

Disclosed balance after: 40,555

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006017 · edgar.xml · nonDerivative · entry 1

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,821

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006013 · edgar.xml · derivative · entry 4

Schwerdtman Michael H · CIK 0001310676 · SVP and Controller (CAO)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,528

Underlying: Common Stock, par value $0.0001 · 30,528 shares

Expires 2025-02-15

F2 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

F5 · derivative.expiration_date: Represents restricted stock units that vest in one lump sum installment on February 15, 2025, subject to continued service, and with partial vesting upon certain terminations of employment.

SEC source: 0001179110-21-006013 · edgar.xml · derivative · entry 3

Schwerdtman Michael H · CIK 0001310676 · SVP and Controller (CAO)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,054

Underlying: Common Stock, par value $0.0001 · 11,054 shares

Expires 2022-02-12

F2 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · derivative.exercise_date: Represents restricted stock units that vest in one lump sum installment on February 12, 2022, subject to continued service

F4 · derivative.expiration_date: Represents restricted stock units that vest in one lump sum installment on February 12, 2022, subject to continued service

SEC source: 0001179110-21-006013 · edgar.xml · derivative · entry 2

Schwerdtman Michael H · CIK 0001310676 · SVP and Controller (CAO)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,149

Underlying: Common Stock, par value $0.0001 · 6,149 shares

Expires 2022-02-01

F2 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such awards, to reflect the Spin-Off. These previously granted awards have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · derivative.exercise_date: Represents the last tranche of a restricted stock unit award that vests on February 1, 2022, subject to continued service.

F3 · derivative.expiration_date: Represents the last tranche of a restricted stock unit award that vests on February 1, 2022, subject to continued service.

SEC source: 0001179110-21-006013 · edgar.xml · nonDerivative · entry 1

Schwerdtman Michael H · CIK 0001310676 · SVP and Controller (CAO)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,978

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

SEC source: 0001179110-21-006019 · edgar.xml · derivative · entry 6

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006019 · edgar.xml · derivative · entry 5

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F7 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F7 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006019 · edgar.xml · derivative · entry 4

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006019 · edgar.xml · derivative · entry 3

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006019 · edgar.xml · nonDerivative · entry 1

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,539

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F2 · balance_after: Includes: (i) 25,886 shares of IAC common stock held directly by the reporting person and (ii) 119,653 share units accrued under IAC's Non-Employee Director Deferred Compensation Plans as of the date of this report.

SEC source: 0001179110-21-006015 · edgar.xml · derivative · entry 6

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

SEC source: 0001179110-21-006015 · edgar.xml · derivative · entry 5

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,039

Underlying: Common Stock, par value $0.0001 · 4,039 shares

Expires 2023-06-25

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F7 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

F7 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 25, 2021, 2022 and 2023, subject to continued service.

SEC source: 0001179110-21-006015 · edgar.xml · derivative · entry 4

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

Underlying: Common Stock, par value $0.0001 · 3,576 shares

Expires 2022-06-12

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F6 · derivative.exercise_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

F6 · derivative.expiration_date: Represents restricted stock units, which vest in two equal installments on each of June 12, 2021 and 2022, subject to continued service.

SEC source: 0001179110-21-006015 · edgar.xml · derivative · entry 3

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,690

Underlying: Common Stock, par value $0.0001 · 2,690 shares

Expires 2021-06-28

F4 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F4 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F5 · derivative.exercise_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

F5 · derivative.expiration_date: Represents restricted stock units, the last installment of which vests on June 28, 2021, subject to continued service.

SEC source: 0001179110-21-006015 · edgar.xml · nonDerivative · entry 1

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,547

F1 · security: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · kind: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F1 · price: Reflects shares of IAC common stock, par value $0.0001, received in respect of shares of IAC common stock, par value $0.001, in connection with a reclassification effected in connection with (and immediately preceding) the spin-off by IAC of Vimeo, Inc. (the "Spin-Off") pre-market on May 25, 2021.

F2 · balance_after: Includes: (i) 31,551 shares of IAC common stock held directly by the reporting person and (ii) 26,996 share units accrued under IAC's Non-Employee Director Deferred Compensation Plans as of the date of this report.

SEC source: 0001179110-21-006021 · edgar.xml · derivative · entry 3

Moore Westley · CIK 0001579400 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

Underlying: Common Stock, par value $0.0001 · 1,646 shares

Expires 2024-05-14

F2 · security: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F2 · kind: Reflects previously granted IAC restricted stock units with adjustments (to maintain pre- and post-Spin-Off values) to the number of shares of IAC common stock underlying such restricted stock units, to reflect the Spin-Off. These previously granted restricted stock units have the same vesting and other applicable terms and conditions as they did immediately prior to the Spin-Off.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of May 14, 2022, 2023 and 2024, subject to continued service.