ALTG

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 7

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 6,928,882

F9 · kind: Immediately prior to the Closing, in connection with the Subscription Agreements, the Sponsor forfeited 178,947 shares of common stock to the Company for cancellation for no consideration, and BRPI and the Sponsor transferred an aggregate of 1,275,000 warrants to the Company for no consideration. In addition, immediately prior to the Closing, the Sponsor forfeited to the Company for cancellation for no consideration an aggregate of 1,470,855 additional shares of common stock.

F9 · price: Immediately prior to the Closing, in connection with the Subscription Agreements, the Sponsor forfeited 178,947 shares of common stock to the Company for cancellation for no consideration, and BRPI and the Sponsor transferred an aggregate of 1,275,000 warrants to the Company for no consideration. In addition, immediately prior to the Closing, the Sponsor forfeited to the Company for cancellation for no consideration an aggregate of 1,470,855 additional shares of common stock.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F10 · ownership.nature: Represents shares of Common Stock or warrants held directly by the Sponsor.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 6

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 7,107,829

F4 · kind: As previously disclosed, on December 12, 2019, the Company entered into certain subscription agreements (the "Subscription Agreements") with institutional and accredited investors (the "PIPE investors") pursuant to which such investors agreed to purchase, immediately prior to the closing of the Business Combination, an aggregate of $35,000,000 of the Company's shares of common stock at a price of $10.00 per share, or an aggregate of 3,500,000 shares of common stock. As previously disclosed, BRPLP and BRPI are among the PIPE investors.

F4 · price: As previously disclosed, on December 12, 2019, the Company entered into certain subscription agreements (the "Subscription Agreements") with institutional and accredited investors (the "PIPE investors") pursuant to which such investors agreed to purchase, immediately prior to the closing of the Business Combination, an aggregate of $35,000,000 of the Company's shares of common stock at a price of $10.00 per share, or an aggregate of 3,500,000 shares of common stock. As previously disclosed, BRPLP and BRPI are among the PIPE investors.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F8 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPI.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 5

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 7,007,829

F7 · kind: Immediately prior to the closing, pursuant to the forward purchase agreement, dated as of April 8, 2019 (the "Forward Purchase Agreement"), by and between the Company and BRPI, the Company issued to BRPI 2,500,000 shares of common stock for $10.00 per share, for an aggregate purchase price of $25,000,000, plus 1,250,000 warrants.

F7 · price: Immediately prior to the closing, pursuant to the forward purchase agreement, dated as of April 8, 2019 (the "Forward Purchase Agreement"), by and between the Company and BRPI, the Company issued to BRPI 2,500,000 shares of common stock for $10.00 per share, for an aggregate purchase price of $25,000,000, plus 1,250,000 warrants.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F8 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPI.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,507,829

F6 · kind: On February 12, 2020, the Company entered into securities purchase agreements (the "Securities Purchase Agreements") with BRPLP and certain PIPE investors, which include Zachary E. Savas and Andrew Studdert, two of the members of the Company's board of directors, pursuant to which such PIPE investors have agreed to purchase from BRPLP an aggregate of 370,000 of the shares of common stock BRPLP subscribed to purchase at a price of $10.00 per share, or $3,700,000, and pursuant to which such PIPE investors will receive an additional 19,473 shares of common stock (each, an "incentive share") and 138,750 warrants to purchase shares of common stock (each, an "incentive warrant") from BRPLP in the aggregate.

F6 · price: On February 12, 2020, the Company entered into securities purchase agreements (the "Securities Purchase Agreements") with BRPLP and certain PIPE investors, which include Zachary E. Savas and Andrew Studdert, two of the members of the Company's board of directors, pursuant to which such PIPE investors have agreed to purchase from BRPLP an aggregate of 370,000 of the shares of common stock BRPLP subscribed to purchase at a price of $10.00 per share, or $3,700,000, and pursuant to which such PIPE investors will receive an additional 19,473 shares of common stock (each, an "incentive share") and 138,750 warrants to purchase shares of common stock (each, an "incentive warrant") from BRPLP in the aggregate.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F3 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPLP.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,527,302

F6 · kind: On February 12, 2020, the Company entered into securities purchase agreements (the "Securities Purchase Agreements") with BRPLP and certain PIPE investors, which include Zachary E. Savas and Andrew Studdert, two of the members of the Company's board of directors, pursuant to which such PIPE investors have agreed to purchase from BRPLP an aggregate of 370,000 of the shares of common stock BRPLP subscribed to purchase at a price of $10.00 per share, or $3,700,000, and pursuant to which such PIPE investors will receive an additional 19,473 shares of common stock (each, an "incentive share") and 138,750 warrants to purchase shares of common stock (each, an "incentive warrant") from BRPLP in the aggregate.

F6 · price: On February 12, 2020, the Company entered into securities purchase agreements (the "Securities Purchase Agreements") with BRPLP and certain PIPE investors, which include Zachary E. Savas and Andrew Studdert, two of the members of the Company's board of directors, pursuant to which such PIPE investors have agreed to purchase from BRPLP an aggregate of 370,000 of the shares of common stock BRPLP subscribed to purchase at a price of $10.00 per share, or $3,700,000, and pursuant to which such PIPE investors will receive an additional 19,473 shares of common stock (each, an "incentive share") and 138,750 warrants to purchase shares of common stock (each, an "incentive warrant") from BRPLP in the aggregate.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F3 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPLP.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,897,302

F5 · kind: As an inducement to enter into the subscription agreements, and upon the consummation of the business combination, the PIPE investors (other than BRPI) received an aggregate of 178,947 incentive shares and an aggregate of 1,275,000 of the Company's warrants.

F5 · price: As an inducement to enter into the subscription agreements, and upon the consummation of the business combination, the PIPE investors (other than BRPI) received an aggregate of 178,947 incentive shares and an aggregate of 1,275,000 of the Company's warrants.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F3 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPLP.

SEC source: 0001213900-20-004334 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

B. RILEY PRINCIPAL INVESTMENTS, LLC · CIK 0001776226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,861,248

F4 · kind: As previously disclosed, on December 12, 2019, the Company entered into certain subscription agreements (the "Subscription Agreements") with institutional and accredited investors (the "PIPE investors") pursuant to which such investors agreed to purchase, immediately prior to the closing of the Business Combination, an aggregate of $35,000,000 of the Company's shares of common stock at a price of $10.00 per share, or an aggregate of 3,500,000 shares of common stock. As previously disclosed, BRPLP and BRPI are among the PIPE investors.

F4 · price: As previously disclosed, on December 12, 2019, the Company entered into certain subscription agreements (the "Subscription Agreements") with institutional and accredited investors (the "PIPE investors") pursuant to which such investors agreed to purchase, immediately prior to the closing of the Business Combination, an aggregate of $35,000,000 of the Company's shares of common stock at a price of $10.00 per share, or an aggregate of 3,500,000 shares of common stock. As previously disclosed, BRPLP and BRPI are among the PIPE investors.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Principal Investments, LLC, a Delaware limited liability company ("BRPI"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group Inc., a Delaware corporation (the "Issuer" or the "Company"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI.

F3 · ownership.nature: Represents shares of Common Stock or warrants held directly by BRPLP.

SEC source: 0001213900-20-004316 · ownership.xml · derivative · entry 2

Savas Zachary E. · CIK 0001471478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,375

Underlying: Common Stock · 9,375 shares

Expires 2025-03-15

F2 · security: Each private placement warrant is exercisable for one share of Issuer common stock at $11.50 per share, as described under the heading "Description of Securities-Warrants-Private Placement Warrants" in the Issuer's Definitive Proxy Statement filed with the Securities and Exchange Commission on January 23, 2020.

F1 · kind: Pursuant to a securities purchase agreement (the "agreement"), the Reporting Person purchased 25,000 shares of Issuer common stock from a private seller at a price of $10.00 per share. Pursuant to the terms of the agreement, concurrent with the purchase of the 25,000 shares, the private seller assigned an additional 1,316 shares of Issuer common stock and 9,375 Issuer private placement warrants to the Reporting Person at no additional cost.

F1 · price: Pursuant to a securities purchase agreement (the "agreement"), the Reporting Person purchased 25,000 shares of Issuer common stock from a private seller at a price of $10.00 per share. Pursuant to the terms of the agreement, concurrent with the purchase of the 25,000 shares, the private seller assigned an additional 1,316 shares of Issuer common stock and 9,375 Issuer private placement warrants to the Reporting Person at no additional cost.

SEC source: 0001213900-20-004316 · ownership.xml · nonDerivative · entry 1

Savas Zachary E. · CIK 0001471478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,316

F1 · kind: Pursuant to a securities purchase agreement (the "agreement"), the Reporting Person purchased 25,000 shares of Issuer common stock from a private seller at a price of $10.00 per share. Pursuant to the terms of the agreement, concurrent with the purchase of the 25,000 shares, the private seller assigned an additional 1,316 shares of Issuer common stock and 9,375 Issuer private placement warrants to the Reporting Person at no additional cost.

F1 · price: Pursuant to a securities purchase agreement (the "agreement"), the Reporting Person purchased 25,000 shares of Issuer common stock from a private seller at a price of $10.00 per share. Pursuant to the terms of the agreement, concurrent with the purchase of the 25,000 shares, the private seller assigned an additional 1,316 shares of Issuer common stock and 9,375 Issuer private placement warrants to the Reporting Person at no additional cost.

SEC source: 0001213900-20-004314 · ownership.xml · nonDerivative · entry 1

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,500

F1 · price: Received as consideration in connection with the merger of Alta Equipment Holdings Inc. ("AEH") into BR Canyon Merger Sub Corp., a wholly-owned subsidiary of the Issuer (the "Merger"). The stock consideration issued in the Merger was valued at $10.00 per share.

SEC source: 0001213900-20-004312 · ownership.xml · nonDerivative · entry 1

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,300,000

F1 · price: Received as pro rata stock consideration in connection with the merger of Alta Equipment Holdings Inc. ("AEH") into BR Canyon Merger Sub Corp., a wholly-owned subsidiary of the Issuer (the "Merger"). In connection with the Merger, the Reporting Person tendered 130 shares of Class A common stock and 18,850 shares of Class B common stock of AEH in exchange for his pro rata share of the Merger consideration. The stock consideration issued in the Merger was valued at $10.00 per share.

SEC source: 0001213900-20-004231 · ownership.xml · nonDerivative · entry 1

Shribman Daniel · CIK 0001772389 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,592

F1 · price: 279,592 shares of Common Stock acquired by the Reporting Person and reported herein were received in a pro rata distribution by B. Riley Principal Sponsor Co., LLC to certain of its members in connection with the merger of BR Canyon Merger Sub Corp., a wholly-owned subsidiary of the Issuer, with and into Alta Equipment Group, Inc. on February 14, 2020.

SEC source: 0001213900-20-004034 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,176,248

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F3 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-003437 · ownership.xml · nonDerivative · entry 1

Kempner James L · CIK 0001371483 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,830

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 7

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,162,420

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 6

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,162,420

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 6

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,162,372

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F5 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 5

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,005,299

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,113,406

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 3,983,575

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,050,650

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-003132 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 3,976,250

F3 · kind: On February 6, 2020, BRPLP redeemed 240,608 shares of Common Stock with the Issuer for cash at a price of $10.16 per share, as stated on the received redemption notice. As previously announced, the Issuer has scheduled a special meeting on February 11, 2020 in lieu of the 2020 annual meeting of its stockholders, to vote on the proposals (the "vote") relating to the Issuer's proposed business combination with Alta Equipment Holdings, Inc. Holders of shares of the Issuer's Common Stock were entitled to request that the Issuer redeem all or a portion of their public shares for cash in connection with the vote until February 7, 2020.

F3 · price: On February 6, 2020, BRPLP redeemed 240,608 shares of Common Stock with the Issuer for cash at a price of $10.16 per share, as stated on the received redemption notice. As previously announced, the Issuer has scheduled a special meeting on February 11, 2020 in lieu of the 2020 annual meeting of its stockholders, to vote on the proposals (the "vote") relating to the Issuer's proposed business combination with Alta Equipment Holdings, Inc. Holders of shares of the Issuer's Common Stock were entitled to request that the Issuer redeem all or a portion of their public shares for cash in connection with the vote until February 7, 2020.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

SEC source: 0001213900-20-003134 · ownership.xml · nonDerivative · entry 1

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,725

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 5

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,162,372

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F5 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,005,299

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,012,624

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 3,983,575

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F4 · ownership.nature: Represents shares of Common Stock held directly by BRFBR. BRFBR is a FINRA registered broker dealer and market maker. The transactions reported herein reflect executions in which BRFBR had no direct or indirect beneficial interest. Such transactions were executed in furtherance of BRFBR's bona-fide market making activities. As part of its bona-fide market making activities, BRFBR may hold long or short positions overnight.

SEC source: 0001213900-20-010215 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 3,976,250

F3 · kind: On February 6, 2020, BRPLP redeemed 240,608 shares of Common Stock with the Issuer for cash at a price of $10.16 per share, as stated on the received redemption notice. As previously announced, the Issuer has scheduled a special meeting on February 11, 2020 in lieu of the 2020 annual meeting of its stockholders, to vote on the proposals (the "vote") relating to the Issuer's proposed business combination with Alta Equipment Holdings, Inc. Holders of shares of the Issuer's Common Stock were entitled to request that the Issuer redeem all or a portion of their public shares for cash in connection with the vote until February 7, 2020.

F3 · price: On February 6, 2020, BRPLP redeemed 240,608 shares of Common Stock with the Issuer for cash at a price of $10.16 per share, as stated on the received redemption notice. As previously announced, the Issuer has scheduled a special meeting on February 11, 2020 in lieu of the 2020 annual meeting of its stockholders, to vote on the proposals (the "vote") relating to the Issuer's proposed business combination with Alta Equipment Holdings, Inc. Holders of shares of the Issuer's Common Stock were entitled to request that the Issuer redeem all or a portion of their public shares for cash in connection with the vote until February 7, 2020.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Alta Equipment Group, Inc., a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

SEC source: 0001213900-20-002704 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,241,058

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F3 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-002706 · ownership.xml · nonDerivative · entry 5

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Susan Riley

Disclosed balance after: 14,624

SEC source: 0001213900-20-002706 · ownership.xml · nonDerivative · entry 4

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Eloise Riley

Disclosed balance after: 14,625

SEC source: 0001213900-20-002706 · ownership.xml · nonDerivative · entry 3

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Charlie Riley

Disclosed balance after: 14,626

SEC source: 0001213900-20-002706 · ownership.xml · nonDerivative · entry 2

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Abigail Riley

Disclosed balance after: 14,625

SEC source: 0001213900-20-002706 · ownership.xml · nonDerivative · entry 1

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,725

SEC source: 0001213900-20-002041 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,132,725

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F3 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 15

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Susan Riley

Disclosed balance after: 7,759

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 12

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Eloise Riley

Disclosed balance after: 7,760

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 9

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Charlie Riley

Disclosed balance after: 7,760

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 6

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Abigail Riley

Disclosed balance after: 7,759

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 3

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,392

SEC source: 0001213900-20-002041 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,025,172

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F3 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 14

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Susan Riley

Disclosed balance after: 6,180

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 11

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Eloise Riley

Disclosed balance after: 6,181

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 8

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Charlie Riley

Disclosed balance after: 6,180

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 5

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Abigail Riley

Disclosed balance after: 6,180

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 2

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,721

SEC source: 0001213900-20-002041 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Principal Sponsor Co., LLC · CIK 0001772457 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 4,015,863

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by B. Riley Principal Sponsor Co., LLC (the "Sponsor"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons"). Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of B. Riley Principal Merger Corp, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP, and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR and the sole member of the managing member of the Sponsor, and has voting and dispositive power over the securities held by each of BRFBR and the Sponsor. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR and the Sponsor.

F3 · ownership.nature: Represents shares of Common Stock held directly by BRPLP.

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 13

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Susan Riley

Disclosed balance after: 3,853

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 10

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Eloise Riley

Disclosed balance after: 3,854

SEC source: 0001213900-20-002038 · ownership.xml · nonDerivative · entry 7

RILEY BRYANT R · CIK 0001207269 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As UTMA custodian for Charlie Riley

Disclosed balance after: 3,853