Shoals Technologies Group, Inc.

(c) Insider Trading Arrangements

During the six months ended June 30, 2026, the following Section 16 officers adopted, modified, orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (each as defined in Item 408(c) of Regulation S-K of the Exchange Act):

•Jeffery Tolnar, President, adopted a plan on June 15, 2026 (with the first trade under the plan scheduled for no sooner than September 1, 2026). The trading plan will be effective until May 1, 2027 (unless earlier terminated in accordance with the plan) to sell an aggregate of 100,000 shares of the Company’s common stock.

•James Hart, Chief People Officer, adopted a plan on June 16, 2026 (with the first trade under the plan scheduled for no sooner than June 16, 2026). The trading plan will be effective until November 6, 2026 (unless earlier terminated in accordance with the plan) to sell an aggregate of 10,000 shares of the Company’s common stock.

Other than as set forth above, none of the Company’s directors or officers adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” (each as defined in Item 408(c) of Regulation S-K of the Exchange Act) during the Company’s fiscal quarter ended June 30, 2026.

Any actual sale transactions made pursuant to the trading arrangement referenced above will be disclosed publicly in Section 16 filings with the Securities and Exchange Commission in accordance with applicable securities laws, rules, and regulations.