Penn Mark Jeffery

SEC source: 0001104659-23-001593 · tm232295-3_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,562,640

F1 · shares: Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock.

SEC source: 0001104659-23-000471 · tm2233403-2_4seq1.xml · derivative · entry 4

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 160,909,058

Underlying: Class A Common Stock · 3,466,624 shares

Expires not disclosed

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.

F4 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_price: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F4 · derivative.exercise_date: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_date: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F6 · derivative.expiration_date: The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date.

F4 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-23-000471 · tm2233403-2_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

F1 · kind: On December 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 3,466,624 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 3,466,624 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-23-000471 · tm2233403-2_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 29,969,038

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 · price: On December 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 3,466,624 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 3,466,624 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-131399 · tm2233403-1_4seq1.xml · derivative · entry 4

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 164,375,682

Underlying: Class A Common Stock · 25,553 shares

Expires not disclosed

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.

F4 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_price: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F4 · derivative.exercise_date: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_date: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F6 · derivative.expiration_date: The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date.

F4 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-131399 · tm2233403-1_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

F1 · kind: On September 30, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-131399 · tm2233403-1_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,527,967

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 · price: On September 30, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-097554 · tm2224994-1_4seq1.xml · derivative · entry 4

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 164,401,235

Underlying: Class A Common Stock · 25,553 shares

Expires not disclosed

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.

F4 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_price: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F4 · derivative.exercise_date: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · derivative.exercise_date: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F6 · derivative.expiration_date: The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date.

F4 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-097554 · tm2224994-1_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

F1 · kind: On August 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-097554 · tm2224994-1_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,527,967

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 · price: On August 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-092285 · tm2223711-6_4seq1.xml · nonDerivative · entry 3

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,755,847

F4 · shares: Represents 593,031 restricted shares of Class A Common Stock of the Issuer awarded to the Reporting Person on August 15, 2022. The restricted shares will vest on March 31, 2025, subject to the achievement of financial performance targets and the Reporting Person's continued service through such date.

SEC source: 0001104659-22-092285 · tm2223711-6_4seq1.xml · derivative · entry 4

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 164,426,788

Underlying: Class A Common Stock · 388,122 shares

Expires not disclosed

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.

F5 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F6 · derivative.exercise_price: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · derivative.exercise_date: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F6 · derivative.exercise_date: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F7 · derivative.expiration_date: The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date.

F5 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC ("Stagwell Friends and Family"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F6 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-092285 · tm2223711-6_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

F1 · kind: On June 9, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 388,122 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 388,122 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-092285 · tm2223711-6_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,890,536

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 · price: On June 9, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 388,122 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell Group"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 388,122 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-029499 · tm228179d1_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,162,816

F1 · shares: Represents 161,765 restricted shares of Class A Common Stock of the Issuer awarded to the Reporting Person on February 28, 2022. The restricted shares will vest in full on February 28, 2023, subject to the Reporting Person's continued service through such date.

SEC source: 0001104659-22-012160 · tm225617-1_4seq1.xml · derivative · entry 4

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 164,814,910

Underlying: Class A Common Stock · 15,155,141 shares

Expires not disclosed

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.

F3 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F3 · derivative.exercise_date: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

F4 · derivative.expiration_date: The right of any holder of Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date.

F3 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock).

SEC source: 0001104659-22-012160 · tm225617-1_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

F2 · kind: Pro rata distributions from Stagwell Media and Stagwell Friends and Family.

F1 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-22-012160 · tm225617-1_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 41,657,555

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 · price: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F1 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-21-150087 · tm2135558-1_4seq1.xml · derivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500,000

Underlying: Class A Common Stock · 1,500,000 shares

Expires 2026-12-14

F1 · security: Stock Appreciation Rights (SARS) granted December 14, 2021 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date. The grant of 1,312,000 of the SARS is subject to approval by the Issuer's stockholders of amendments to its Amended and Restated 2016 Stock Incentive Plan.

F1 · derivative.exercise_date: Stock Appreciation Rights (SARS) granted December 14, 2021 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date. The grant of 1,312,000 of the SARS is subject to approval by the Issuer's stockholders of amendments to its Amended and Restated 2016 Stock Incentive Plan.

SEC source: 0001104659-21-127701 · tm2130525d3_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,001,051

F1 · shares: 412,000 shares of Restricted Stock (Class A Common Stock) of the Issuer were awarded on October 15, 2021. The shares will vest on March 31, 2024, subject to achievement of financial performance targets and continued employment.

SEC source: 0001104659-21-124224 · tm2129462-2_4seq1.xml · derivative · entry 3

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 12,086,700 shares

Expires not disclosed

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: On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date.

F1 · price: On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date.

F1 · derivative.exercise_date: On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date.

F1 · derivative.expiration_date: On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell"). Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer following the conversion reported herein. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-21-124224 · tm2129462-2_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,502,414

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 · price: On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date.

F2 · ownership.nature: The Reporting Person is the controlling person of The Stagwell Group LLC ("Stagwell"). Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer following the conversion reported herein. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-21-108585 · tm2125721-1_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,415,714

F1 · price: The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.62 to $6.70, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: The shares of Class A Common Stock purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Following this transaction, Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-21-103497 · tm2124791-3_4seq1.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 589,051

F2 · balance_after: Includes 549,051 shares of unvested Restricted Stock (Class A Common Stock) of the Issuer.

SEC source: 0001104659-21-103497 · tm2124791-3_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 584,051

F1 · price: The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.96 to $6.02, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F2 · balance_after: Includes 549,051 shares of unvested Restricted Stock (Class A Common Stock) of the Issuer.

SEC source: 0001437749-21-018551 · rdgdoc.xml · derivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class A Common Shares · 179,970,051 shares

Expires not disclosed

F1 · derivative.exercise_price: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,864,073 Class C Common Shares of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 19,105,978 Class C Common Shares of the Issuer. The Class C Common Shares are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Shares, may, at its option, exchange its Class C Common Shares, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for Class A Common Shares on a one-to-one basis (i.e., one Paired Equity Interest for one Class A Common Share). The Class C Common Shares are subject to a lock-up agreement that prevents the holder thereof from exchanging such Class C Common Shares for Class A Common Shares until February 2, 2022.

F2 · derivative.expiration_date: The right of any holder of Class C Common Shares to exchange such shares for Class A Common Shares is not subject to an expiration date.

F1 · ownership.nature: The Reporting Person is the controlling person of Stagwell Media LP ("Stagwell Media"). Stagwell Media directly holds 160,864,073 Class C Common Shares of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 19,105,978 Class C Common Shares of the Issuer. The Class C Common Shares are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Shares, may, at its option, exchange its Class C Common Shares, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a "Paired Equity Interest"), for Class A Common Shares on a one-to-one basis (i.e., one Paired Equity Interest for one Class A Common Share). The Class C Common Shares are subject to a lock-up agreement that prevents the holder thereof from exchanging such Class C Common Shares for Class A Common Shares until February 2, 2022.

SEC source: 0001104659-21-030939 · tm218483-1_4seq1.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574,051

F1 · shares: 577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded to the Reporting Person on November 4, 2019, subject to achievement of financial performance targets and continued employment. 28,449 of these shares were forfeited on February 26, 2021 as a result of partial achievement of the financial performance targets. The remaining shares will vest on December 31, 2022, subject to continued employment.

F2 · balance_after: Includes 549,051 shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001104659-20-062884 · tm2019939-1_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,385,714

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.085 and $1.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Following this transaction, Stagwell directly holds 100,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-064452 · tm2020387d1_4a.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,400,714

F1 · date: This amendment is to include a transaction inadvertently omitted from the Form 4 filed by the Reporting Person on March 26, 2020.

F2 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.64 to $1.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F3 · balance_after: The amount of securities beneficially owned reported in Column 5 reflects the number as of the date of filing of this amendment, and includes shares purchased and reported on Form 4 subsequent to the March 26, 2020 filing of the Form 4 that is the subject of this amendment.

F4 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. As of the date of filing of this amendment, Stagwell directly holds 115,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-038999 · tm2013996d1_4.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,335,714

F3 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.34 and $1.48, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-038999 · tm2013996d1_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,295,714

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.20 and $1.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001387131-20-003124 · ownership.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 602,500

F1 · balance_after: Includes 577,500 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-19-060623 · tv531781_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 577,500

F1 · shares: 577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

F1 · balance_after: 577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

SEC source: 0001144204-19-018767 · tv518165_4.xml · derivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500,000

Underlying: Class A Shares · 1,500,000 shares

Expires 2024-03-18

F1 · security: SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash.

F1 · derivative.exercise_date: SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash.