Distribution Solutions Group, Inc. to LKCM Headwater Investments, LLC

LTM EBITDA for the CY ending December 31, 2024, as reported in the 8-K filed by Lowe’s Companies, Inc. on August 20, 2025.

LTM EBITDA for the CY ending December 31, 2024, as reported in the Lennox International Inc.’s investor presentation filed on August 18, 2025.

LTM EBITDA expected to be contributed by Hydradyne LLC within 12 months of transaction closing as disclosed in 8-K filed on November 22, 2024.

LTM EBITDA for CY ended December 31, 2023, as reported in Home Depot, Inc.’s investor presentation filed on March 28, 2024.

LTM EBITDA for the fiscal year ending October 31, 2022, as reported in the transaction 8-K filed by DSG on March 31, 2023. EV includes $37.5 million in retention bonuses to Hisco, Inc. employees.

LTM EBITDA for the calendar year 2021, as reported in the transaction press release filed by Roper on June 1, 2022. Excludes $51 million in performance based earnouts.

Represents LTM EBITDA for the calendar year 2022, as reported in the investor presentation filed by Genuine Parts Company on December 16, 2021.

LTM EBITDA for the calendar year 2020, as reported in the Diploma investor presentation filed on September 22, 2020.