X0306 4 2023-01-27 0 0000703604 Distribution Solutions Group, Inc. DSGR 0001454358 Knutson Ronald J 8770 W. BRYN MAWR AVE., SUITE 900 C/O DISTRIBUTION SOLUTIONS GROUP, INC. CHICAGO IL 60631 0 1 0 0 EVP & CFO Restricted Stock Units 0.00 2023-01-27 4 A 0 10000 0.00 A 2027-04-01 Common Stock 10000 10000 D Stock Options 55.00 2023-01-27 4 A 0 48000 0.00 A 2033-01-27 Common Stock 48000 48000 D Stock Options 80.00 2023-01-27 4 A 0 15000 0.00 A 2033-01-27 Common Stock 15000 15000 D Stock Options 110.00 2023-01-27 4 A 0 30000 0.00 A 2033-01-27 Common Stock 30000 30000 D Stock Options 140.00 2023-01-27 4 A 0 30000 0.00 A 2033-01-27 Common Stock 30000 30000 D Represents the right to receive shares of Common Stock at the exercise date in an amount equal to the number of restricted stock units. The restricted stock units vest and become exercisable in 20% installments on January 27, 2024, April 1, 2024, April 1, 2025, April 1, 2026 and April 1, 2027, respectively, subject to the Reporting Person's continued employment by the Company through each respective date. Represents the right to purchase one share of Common Stock in exchange for the exercise price at the date the reporting person exercises the right. Stock options granted pursuant to Distribution Solutions Group, Inc. Equity Compensation Plan, as amended and restated effective October 17, 2022 (as amended on November 10, 2022). The stock options vest and become exercisable in 20% installments on January 27, 2024, April 1, 2024, April 1, 2025, April 1, 2026 and April 1, 2027, respectively, subject to the Reporting Person's continued employment by the Company through each respective date. /s/ Richard D. Pufpaf, Attorney-In-Fact for Ronald Knutson 2023-01-31