Derham Kyle

SEC source: 0000950170-25-080519 · ownership.xml · derivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,037

Underlying: Class A Common Stock · 28,037 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units vest on the earlier of May 29, 2026 and the date of the next annual shareholders' meeting of the Issuer.

F3 · derivative.expiration_date: The restricted stock units vest on the earlier of May 29, 2026 and the date of the next annual shareholders' meeting of the Issuer.

SEC source: 0000950170-25-080519 · ownership.xml · derivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,400 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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units vested on May 29, 2025.

F2 · derivative.expiration_date: The restricted stock units vested on May 29, 2025.

SEC source: 0000950170-25-080519 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,400

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

SEC source: 0001213900-24-051480 · ownership.xml · derivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,220

Underlying: Class A Common Stock · 14,220 shares

Expires 2034-06-06

F2 · derivative.exercise_date: The stock options vest on the earlier of June 6, 2025 and the date of the next annual shareholders' meeting of the Issuer.

SEC source: 0001213900-24-051480 · ownership.xml · derivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,400

Underlying: Class A Common Stock · 5,400 shares

Expires not disclosed

F1 · derivative.exercise_price: The restricted stock units vest on the earlier of June 6, 2025 and the date of the next annual shareholders' meeting of the Issuer.

F1 · derivative.exercise_date: The restricted stock units vest on the earlier of June 6, 2025 and the date of the next annual shareholders' meeting of the Issuer.

F1 · derivative.expiration_date: The restricted stock units vest on the earlier of June 6, 2025 and the date of the next annual shareholders' meeting of the Issuer.

SEC source: 0001213900-23-068983 · ownership.xml · derivative · entry 4

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · The Derham Children's Trust of 2020

Disclosed balance after: 286,320

Underlying: Class A Common Stock · 286,320 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 Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F2 · kind: On August 16, 2023, pursuant to the Opco LLCA, all Class B Units of Opco converted into Class A Units of Opco on a one-for-one basis due to the exercise on such date by a member of Opco of its Class B Conversion Right (as defined in the Opco LLCA).

F3 · price: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F3 · derivative.exercise_date: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F3 · derivative.expiration_date: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F4 · ownership.nature: The reporting person is the trustee of The Derham Children's Trust of 2020 (the "Trust"). By virtue of the relationship, the reporting person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-068983 · ownership.xml · derivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · The Derham Children's Trust of 2020

Disclosed balance after: 0

Underlying: Class A Common Stock · 286,320 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: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F2 · kind: On August 16, 2023, pursuant to the Opco LLCA, all Class B Units of Opco converted into Class A Units of Opco on a one-for-one basis due to the exercise on such date by a member of Opco of its Class B Conversion Right (as defined in the Opco LLCA).

F1 · price: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F1 · derivative.exercise_date: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F1 · derivative.expiration_date: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F4 · ownership.nature: The reporting person is the trustee of The Derham Children's Trust of 2020 (the "Trust"). By virtue of the relationship, the reporting person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-068983 · ownership.xml · derivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,390,348

Underlying: Class A Common Stock · 1,390,348 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 Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F2 · kind: On August 16, 2023, pursuant to the Opco LLCA, all Class B Units of Opco converted into Class A Units of Opco on a one-for-one basis due to the exercise on such date by a member of Opco of its Class B Conversion Right (as defined in the Opco LLCA).

F3 · price: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F3 · derivative.exercise_date: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F3 · derivative.expiration_date: The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

SEC source: 0001213900-23-068983 · ownership.xml · derivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,390,348 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: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F2 · kind: On August 16, 2023, pursuant to the Opco LLCA, all Class B Units of Opco converted into Class A Units of Opco on a one-for-one basis due to the exercise on such date by a member of Opco of its Class B Conversion Right (as defined in the Opco LLCA).

F1 · price: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F1 · derivative.exercise_date: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

F1 · derivative.expiration_date: The Class B Units of NET Power Operations LLC ("Opco") are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability company agreement of Opco (the "Opco LLCA"). The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into cash or shares of the issuer's Class A common stock on a one-for-one basis, at the issuer's election, and have no expiration date.

SEC source: 0001213900-23-053630 · ownership.xml · derivative · entry 6

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · The Derham Children's Trust of 2020

Disclosed balance after: 2,424,635

Underlying: Class A Common Stock · 414,049 shares

Expires 2028-06-08

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F3 · ownership.nature: The Derham Children's Trust of 2020 (the "Trust") is the record holder of the securities reported herein and the reporting person is the trustee of the Trust. By virtue of the relationship, the reporting person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-053630 · ownership.xml · derivative · entry 5

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,010,586

Underlying: Class A Common Stock · 2,010,586 shares

Expires 2028-06-08

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

SEC source: 0001213900-23-053630 · ownership.xml · derivative · entry 4

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · The Derham Children's Trust of 2020

Disclosed balance after: 1,676,668

Underlying: Class A Common Stock · 286,320 shares

Expires not disclosed

F4 · derivative.exercise_price: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F4 · derivative.exercise_date: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

F4 · derivative.expiration_date: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

F3 · ownership.nature: The Derham Children's Trust of 2020 (the "Trust") is the record holder of the securities reported herein and the reporting person is the trustee of the Trust. By virtue of the relationship, the reporting person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-053630 · ownership.xml · derivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,390,348

Underlying: Class A Common Stock · 1,390,348 shares

Expires not disclosed

F4 · derivative.exercise_price: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F4 · derivative.exercise_date: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

F4 · derivative.expiration_date: The Class B Units of Opco are convertible into Class A Units of Opco on a one-for-one basis pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of the issuer's Class B common stock) are then exchangeable into shares of the issuer's Class A common stock or cash, at the issuer's election, on a one-for-one basis and have no expiration date.

SEC source: 0001213900-23-053630 · ownership.xml · nonDerivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · The Derham Children's Trust of 2020

Disclosed balance after: 1,676,668

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F2 · balance_after: Prior to the distribution by Sponsor referred to in footnote 1, the reporting person was a managing member of Sponsor, and as such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor and the reporting person's prior Form 4s included transactions and direct holdings of Sponsor.

F3 · ownership.nature: The Derham Children's Trust of 2020 (the "Trust") is the record holder of the securities reported herein and the reporting person is the trustee of the Trust. By virtue of the relationship, the reporting person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-053630 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,390,348

F1 · kind: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F1 · price: Received from Rice Acquisition Sponsor LLC ("Sponsor") pursuant to the pro rata distribution of all of the securities of the issuer held by Sponsor to its members.

F2 · balance_after: Prior to the distribution by Sponsor referred to in footnote 1, the reporting person was a managing member of Sponsor, and as such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor and the reporting person's prior Form 4s included transactions and direct holdings of Sponsor.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 13

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 10,900,000

Underlying: Class A Common Stock · 10,900,000 shares

Expires 2028-06-08

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 12

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 10,900,000 shares

Expires 2028-06-08

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 11

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 7,534,900

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

Expires not disclosed

F9 · derivative.exercise_price: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F5 · kind: Immediately upon the consummation of the Business Combination, pursuant to the Sponsor Letter Agreement, dated as of December 13, 2022, by and among RONI, the Sponsor, RONI Opco, NET Power, LLC and the other parties thereto, 1,000,000 shares of Class B Common Stock and 1,000,000 Class B Units of Opco held by the Sponsor were forfeited to NET Power and Opco, respectively, for no consideration and automatically canceled.

F5 · price: Immediately upon the consummation of the Business Combination, pursuant to the Sponsor Letter Agreement, dated as of December 13, 2022, by and among RONI, the Sponsor, RONI Opco, NET Power, LLC and the other parties thereto, 1,000,000 shares of Class B Common Stock and 1,000,000 Class B Units of Opco held by the Sponsor were forfeited to NET Power and Opco, respectively, for no consideration and automatically canceled.

F9 · derivative.exercise_date: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F9 · derivative.expiration_date: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 10

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 8,534,900

Underlying: Class A Common Stock · 8,534,900 shares

Expires not disclosed

F9 · derivative.exercise_price: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F9 · derivative.exercise_date: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F9 · derivative.expiration_date: For each Class B Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class B Units of Opco are convertible into Class A Units of Opco pursuant to the terms of the limited liability agreement of Opco. The Class A Units of Opco (together with the corresponding shares of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 9

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 8,534,900 shares

Expires not disclosed

F8 · derivative.exercise_price: For each Class B Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class B Units of RONI Opco were convertible into Class A Units of RONI Opco pursuant to the terms of the limited liability agreement of RONI Opco. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F8 · derivative.exercise_date: For each Class B Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class B Units of RONI Opco were convertible into Class A Units of RONI Opco pursuant to the terms of the limited liability agreement of RONI Opco. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F8 · derivative.expiration_date: For each Class B Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class B Units of RONI Opco were convertible into Class A Units of RONI Opco pursuant to the terms of the limited liability agreement of RONI Opco. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 8

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 100

Underlying: Class A Common Stock · 100 shares

Expires not disclosed

F7 · derivative.exercise_price: For each Class A Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class A Units of Opco (together with the corresponding share of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F7 · derivative.exercise_date: For each Class A Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class A Units of Opco (together with the corresponding share of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F7 · derivative.expiration_date: For each Class A Unit of Opco, the Sponsor owns a corresponding share of Class B Common Stock. The Class A Units of Opco (together with the corresponding share of Class B Common Stock) are exchangeable into shares of Class A Common Stock or cash, at NET Power's election, on a one-for-one basis and have no expiration date.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · derivative · entry 7

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 0

Underlying: Class A Ordinary Shares · 100 shares

Expires not disclosed

F6 · derivative.exercise_price: For each Class A Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F1 · kind: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · kind: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F6 · derivative.exercise_date: For each Class A Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F6 · derivative.expiration_date: For each Class A Unit of RONI Opco, the Sponsor owned a corresponding Class B Ordinary Share. The Class A Units of RONI Opco (together with the corresponding Class B Ordinary Shares) were exchangeable into Class A Ordinary Shares or cash, at RONI's election, after the time of RONI's initial business combination on a one-for-one basis and had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 6

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 7,535,000

F5 · price: Immediately upon the consummation of the Business Combination, pursuant to the Sponsor Letter Agreement, dated as of December 13, 2022, by and among RONI, the Sponsor, RONI Opco, NET Power, LLC and the other parties thereto, 1,000,000 shares of Class B Common Stock and 1,000,000 Class B Units of Opco held by the Sponsor were forfeited to NET Power and Opco, respectively, for no consideration and automatically canceled.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 5

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 8,535,000

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 4

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 0

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 3

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 502,500

F4 · price: On December 13, 2022, RONI entered into subscription agreements with certain investors (the "PIPE Investors") pursuant to which the PIPE Investors agreed to purchase shares of Class A Common Stock for $10.00 per share in connection with, and conditioned upon, the substantially concurrent consummation of the Business Combination. As one of the PIPE Investors, on June 8, 2023, the reporting person acquired 500,000 shares of Class A Common Stock for $10.00 per share.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 2

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 2,500

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-23-048268 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rice Acquisition Sponsor II LLC

Disclosed balance after: 0

F1 · price: Pursuant to that certain Business Combination Agreement, dated December 13, 2022, and subsequently amended on April 23, 2023, by and among Rice Acquisition Corp. II ("RONI"), Rice Acquisition Holdings II LLC ("RONI Opco"), NET Power, LLC and the other parties thereto, the parties effected a business combination transaction (the "Business Combination") on June 8, 2023. In connection with the Business Combination, on June 8, 2023, RONI domesticated as a Delaware corporation (the "RONI Domestication") and changed its name to "NET Power Inc." ("NET Power") and RONI Opco domesticated as a Delaware limited liability company (together with the RONI Domestication, the "Domestication") and changed its name to "NET Power Operations LLC" ("Opco").

F2 · price: As a result of the Domestication on June 8, 2023, (a) each issued and outstanding Class A ordinary share, par value $0.0001 per share, of RONI ("Class A Ordinary Share") automatically converted on a one-for-one basis into a share of Class A common stock, par value $0.0001 per share, of NET Power ("Class A Common Stock"), (b) each issued and outstanding Class B ordinary shares, par value $0.0001 per share, of RONI ("Class B Ordinary Share") automatically converted on a one-for-one basis into a share of Class B common stock, par value $0.0001 per share, of NET Power ("Class B Common Stock"), (c) each issued and outstanding warrant of RONI (which were exercisable for a Class A Ordinary Share) automatically converted into a warrant to purchase one share of Class A Common Stock, and (d) each issued and outstanding Class A Unit and Class B Unit of RONI Opco automatically converted on a one-for-one basis into a Class A or Class B Unit of Opco, respectively.

F3 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor II LLC (the "Sponsor"). As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by the Sponsor. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-22-083205 · ownership.xml · derivative · entry 4

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,490,899 shares

Expires 2026-09-15

F2 · price: Pursuant to the Agreement and Plan of Merger, dated October 16, 2022 (the "Merger Agreement"), by and among the Issuer, LFG Acquisition Holdings LLC ("Opco"), BP Products North America Inc. ("Parent"), Condor RTM Inc. ("Merger Sub") and Condor RTM LLC ("Opco Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Issuer Merger"), and Opco Merger Sub merged with and into Opco, with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the "Opco Merger").

F7 · price: Pursuant to that certain Amendment No. 1 to Warrant Agreement, dated as of October 16, 2022, by and among the Issuer, Opco and Continental Stock Transfer & Trust Company (the "Warrant Agent"), which amended the Warrant Agreement, dated as of October 21, 2020 (the "Warrant Agreement"), by and among the Issuer (formerly known as Rice Acquisition Corp.), Opco (formerly known as Rice Acquisition Holdings LLC) and the Warrant Agent, immediately following the Opco Merger Effective Time, each warrant of the Issuer that was issued and outstanding immediately prior to the Effective Time was automatically redeemed for the right to receive an amount in cash equal to $17.91, which is equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

SEC source: 0001213900-22-083205 · ownership.xml · derivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,035,688 shares

Expires not disclosed

F6 · derivative.exercise_price: Prior to the Effective Time, the Class A Units of Opco (each, an "Opco Unit") (together with the corresponding shares of Class B Common Stock) were exchangeable into shares of Class A Common Stock on a one-for-one basis and had no expiration date. At the effective time of the Opco Merger (the "Opco Merger Effective Time"), pursuant to the Merger Agreement, each Opco Unit held by a holder other than the Issuer or any of its subsidiaries issued and outstanding as of immediately prior to the Opco Merger Effective Time was automatically canceled, extinguished and converted into the right to receive cash in an amount equal to the Per Share Price.

F2 · price: Pursuant to the Agreement and Plan of Merger, dated October 16, 2022 (the "Merger Agreement"), by and among the Issuer, LFG Acquisition Holdings LLC ("Opco"), BP Products North America Inc. ("Parent"), Condor RTM Inc. ("Merger Sub") and Condor RTM LLC ("Opco Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Issuer Merger"), and Opco Merger Sub merged with and into Opco, with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the "Opco Merger").

F6 · price: Prior to the Effective Time, the Class A Units of Opco (each, an "Opco Unit") (together with the corresponding shares of Class B Common Stock) were exchangeable into shares of Class A Common Stock on a one-for-one basis and had no expiration date. At the effective time of the Opco Merger (the "Opco Merger Effective Time"), pursuant to the Merger Agreement, each Opco Unit held by a holder other than the Issuer or any of its subsidiaries issued and outstanding as of immediately prior to the Opco Merger Effective Time was automatically canceled, extinguished and converted into the right to receive cash in an amount equal to the Per Share Price.

F6 · derivative.exercise_date: Prior to the Effective Time, the Class A Units of Opco (each, an "Opco Unit") (together with the corresponding shares of Class B Common Stock) were exchangeable into shares of Class A Common Stock on a one-for-one basis and had no expiration date. At the effective time of the Opco Merger (the "Opco Merger Effective Time"), pursuant to the Merger Agreement, each Opco Unit held by a holder other than the Issuer or any of its subsidiaries issued and outstanding as of immediately prior to the Opco Merger Effective Time was automatically canceled, extinguished and converted into the right to receive cash in an amount equal to the Per Share Price.

F6 · derivative.expiration_date: Prior to the Effective Time, the Class A Units of Opco (each, an "Opco Unit") (together with the corresponding shares of Class B Common Stock) were exchangeable into shares of Class A Common Stock on a one-for-one basis and had no expiration date. At the effective time of the Opco Merger (the "Opco Merger Effective Time"), pursuant to the Merger Agreement, each Opco Unit held by a holder other than the Issuer or any of its subsidiaries issued and outstanding as of immediately prior to the Opco Merger Effective Time was automatically canceled, extinguished and converted into the right to receive cash in an amount equal to the Per Share Price.

SEC source: 0001213900-22-083205 · ownership.xml · nonDerivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · price: Pursuant to the Agreement and Plan of Merger, dated October 16, 2022 (the "Merger Agreement"), by and among the Issuer, LFG Acquisition Holdings LLC ("Opco"), BP Products North America Inc. ("Parent"), Condor RTM Inc. ("Merger Sub") and Condor RTM LLC ("Opco Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Issuer Merger"), and Opco Merger Sub merged with and into Opco, with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the "Opco Merger").

F5 · price: Pursuant to the Merger Agreement, at the Effective Time, each share of the Issuer's Class B common stock, par value $0.0001 per share ("Class B Common Stock"), was automatically canceled and extinguished without any conversion thereof or consideration paid therefor.

SEC source: 0001213900-22-083205 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Includes 6,838 restricted stock units ("RSUs") of the Issuer held by the Reporting Person immediately prior to the Effective Time (as defined below).

F2 · price: Pursuant to the Agreement and Plan of Merger, dated October 16, 2022 (the "Merger Agreement"), by and among the Issuer, LFG Acquisition Holdings LLC ("Opco"), BP Products North America Inc. ("Parent"), Condor RTM Inc. ("Merger Sub") and Condor RTM LLC ("Opco Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Issuer Merger"), and Opco Merger Sub merged with and into Opco, with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the "Opco Merger").

F3 · price: At the effective time of the Issuer Merger (the "Effective Time"), each share of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock"), that was issued and outstanding as of immediately prior to the Effective Time (other than Owned Company Shares or Dissenting Company Shares, each as defined in the Merger Agreement) was automatically canceled, extinguished and converted into the right to receive $26.00 in cash, without interest (the "Per Share Price").

F4 · price: Pursuant to the Merger Agreement, each RSU reported hereby was, at the Effective Time, automatically canceled and converted into the right to receive an amount in cash (without interest and subject to applicable withholding taxes) equal to the product of (i) the total number of shares of Class A Common Stock subject to such RSU, as of immediately prior to the Effective Time, and (ii) the Per Share Price.

SEC source: 0001213900-22-026491 · ownership.xml · derivative · entry 8

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,490,899

Underlying: Class A Common Stock · 1,490,899 shares

Expires 2026-09-15

F3 · kind: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

F3 · price: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

SEC source: 0001213900-22-026491 · ownership.xml · derivative · entry 7

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 6,093,900 shares

Expires 2026-09-15

F1 · kind: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F1 · price: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F2 · ownership.nature: These securities were previously held by Sponsor. Prior to the distribution of these securities, the reporting person was previously a managing member of Sponsor. As such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor. The reporting person disclaims and previously disclaimed any beneficial ownership of the securities previously held by Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-22-026491 · ownership.xml · derivative · entry 6

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,035,688

Underlying: Class A Common Stock · 1,035,688 shares

Expires not disclosed

F5 · derivative.exercise_price: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

F3 · kind: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

F3 · price: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

F5 · derivative.exercise_date: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

F5 · derivative.expiration_date: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

SEC source: 0001213900-22-026491 · ownership.xml · derivative · entry 5

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,532,287 shares

Expires not disclosed

F5 · derivative.exercise_price: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

F1 · kind: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F1 · price: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F5 · derivative.exercise_date: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

F5 · derivative.expiration_date: The Class A Units of LFG Acquisition Holdings LLC (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock on a one-for-one basis and have no expiration date.

F2 · ownership.nature: These securities were previously held by Sponsor. Prior to the distribution of these securities, the reporting person was previously a managing member of Sponsor. As such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor. The reporting person disclaims and previously disclaimed any beneficial ownership of the securities previously held by Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-22-026491 · ownership.xml · nonDerivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,035,688

F3 · kind: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

F3 · price: Represents receipt of the reporting person's pro rata distribution of the securities of the issuer held by Sponsor.

SEC source: 0001213900-22-026491 · ownership.xml · nonDerivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 0

F1 · kind: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F1 · price: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F2 · ownership.nature: These securities were previously held by Sponsor. Prior to the distribution of these securities, the reporting person was previously a managing member of Sponsor. As such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor. The reporting person disclaims and previously disclaimed any beneficial ownership of the securities previously held by Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-22-026491 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 0

F1 · kind: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F1 · price: Represents the pro rata distribution of the securities of the issuer held by Rice Acquisition Sponsor LLC ("Sponsor") to all of its members. Prior to such distribution, and as of the date hereof, no such securities have been disposed of for cash by either Sponsor or its members.

F2 · ownership.nature: These securities were previously held by Sponsor. Prior to the distribution of these securities, the reporting person was previously a managing member of Sponsor. As such, the reporting person may have been deemed to have beneficial ownership of the securities held of record by Sponsor. The reporting person disclaims and previously disclaimed any beneficial ownership of the securities previously held by Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-22-000253 · ownership.xml · nonDerivative · entry 2

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,715

F2 · kind: Award of restricted stock units, which vests in a single installment on January 1, 2023. Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A common stock.

SEC source: 0001213900-22-000253 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,877

F1 · kind: Award of restricted stock units, which vests in a single installment on January 1, 2022. Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A common stock.

SEC source: 0001213900-21-048593 · ownership.xml · derivative · entry 4

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 5,532,187

Underlying: Class A Common Stock · 5,532,187 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: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · kind: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · price: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · derivative.exercise_date: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · derivative.expiration_date: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F2 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor LLC. As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by Rice Acquisition Sponsor LLC. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-21-048593 · ownership.xml · derivative · entry 3

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rice Acquisition Sponsor LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,532,187 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: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · kind: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · price: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · derivative.exercise_date: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F3 · derivative.expiration_date: For each Class B Unit of LFG Acquisition Holdings LLC (f/k/a Rice Acquisition Holdings LLC) ("Opco"), the reporting person owns a corresponding share of the issuer's Class B common stock. In connection with the issuer's initial business combination, the Opco Class B Units convert into Opco Class A Units on a one-for-one basis, subject to adjustment. The Opco Class A Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into shares of the issuer's Class A common stock after the time of the issuer's initial business combination on a one-for-one basis and have no expiration date. On September 15, 2021, the issuer completed its initial business combination, and as a result the Opco Class B Units held by Rice Acquisition Sponsor LLC converted into Opco Class A Units on a one-for-one basis.

F2 · ownership.nature: The reporting person is a managing member of Rice Acquisition Sponsor LLC. As such, the reporting person may be deemed to have beneficial ownership of the securities held of record by Rice Acquisition Sponsor LLC. The reporting person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

SEC source: 0001213900-21-048593 · ownership.xml · nonDerivative · entry 1

Derham Kyle · CIK 0001786795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

F1 · price: On April 7, 2021, the issuer (f/k/a Rice Acquisition Corp.) entered into subscription agreements with certain investors (the "PIPE Investors") pursuant to which the PIPE Investors agreed to purchase shares of the issuer's Class A common stock for $10.00 per share in connection with, and conditioned upon, the substantially concurrent consummation of certain transactions, including the Business Combination (as defined below). As one of the PIPE Investors, on September 15, 2021, the reporting person acquired 30,000 shares of the issuer's Class A common stock for $10.00 per share.

SEC source: 0001213900-20-041340 · ownership.xml · derivative · entry 1

Derham Kyle · CIK 0001786795 · Director · President and CFO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,532,187

Underlying: Class A Common Stock · 250,000 shares

Expires not disclosed

F1 · derivative.exercise_price: For each Class B Unit of Rice Acquisition Holdings LLC ("Opco"), the Reporting Person owns a corresponding share of the Issuer's Class B common stock. In connection with the Issuer's initial business combination, the Class B Units of Opco will convert into Class A Units of Opco on a one-for-one basis, subject to adjustment. The Class A Units of Opco (together with the corresponding shares of the Issuer's Class B common stock) will be exchangeable into shares of the Issuer's Class A common stock after the time of the Issuer's initial business combination on a one-for-one basis and have no expiration date.

F2 · kind: The Class B Units of Opco owned by the Reporting Person included up to 806,250 Class B Units of Opco (and corresponding shares of Class B common stock) that were subject to forfeiture in the event the underwriters of the Issuer's initial public offering of units did not exercise in full their over-allotment option. Because the underwriters only exercised their over-allotment option in part, the Reporting Person forfeited 250,000 Class B Units of Opco (and corresponding shares of Class B common stock) on December 7, 2020 for cancellation by Opco and the Issuer.

F2 · price: The Class B Units of Opco owned by the Reporting Person included up to 806,250 Class B Units of Opco (and corresponding shares of Class B common stock) that were subject to forfeiture in the event the underwriters of the Issuer's initial public offering of units did not exercise in full their over-allotment option. Because the underwriters only exercised their over-allotment option in part, the Reporting Person forfeited 250,000 Class B Units of Opco (and corresponding shares of Class B common stock) on December 7, 2020 for cancellation by Opco and the Issuer.

F1 · derivative.exercise_date: For each Class B Unit of Rice Acquisition Holdings LLC ("Opco"), the Reporting Person owns a corresponding share of the Issuer's Class B common stock. In connection with the Issuer's initial business combination, the Class B Units of Opco will convert into Class A Units of Opco on a one-for-one basis, subject to adjustment. The Class A Units of Opco (together with the corresponding shares of the Issuer's Class B common stock) will be exchangeable into shares of the Issuer's Class A common stock after the time of the Issuer's initial business combination on a one-for-one basis and have no expiration date.

F1 · derivative.expiration_date: For each Class B Unit of Rice Acquisition Holdings LLC ("Opco"), the Reporting Person owns a corresponding share of the Issuer's Class B common stock. In connection with the Issuer's initial business combination, the Class B Units of Opco will convert into Class A Units of Opco on a one-for-one basis, subject to adjustment. The Class A Units of Opco (together with the corresponding shares of the Issuer's Class B common stock) will be exchangeable into shares of the Issuer's Class A common stock after the time of the Issuer's initial business combination on a one-for-one basis and have no expiration date.

F3 · ownership.nature: Rice Acquisition Sponsor LLC is the record holder of the shares reported herein. The Reporting Person is a managing member of Rice Acquisition Sponsor LLC. As such, the Reporting Person may be deemed to have or share beneficial ownership of the securities held directly by Rice Acquisition Sponsor LLC.