Fluence Energy Inc

(a) None.

(b) None.

(c)Director and Officer Rule 10b5-1 Trading Arrangements

During the three months ended December 31, 2024, the following directors or “officers” (as defined in Rule 16a-1(f) under the Exchange Act) of the Company adopted, modified, orterminated “Rule 10b5-1 trading arrangements” and/or “non-Rule 10b5-1 trading arrangements” (each as defined in Item 408 of Regulation S-K).

On December 21, 2024, Harald von Heynitz, adirector of the Company, adopted a Rule 10b5-1 sales plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) (the “von Heynitz Plan”). The von Heynitz Plan provides for the cumulative potential sale of 40% of the gross number of shares resulting from the anticipated vesting of 11,341 outstanding restricted stock units on March 20, 2025. The von Heynitz Plan terminates on the earlier of (i)June 1, 2025 or (ii) such date the von Heynitz Plan is otherwise terminated according to its terms.

Our directors and executive officers entered into lock-up agreements in connection with the 2030 Convertible Senior Notes offering in December 2024 prohibiting the transfer of securities under Rule 10b5-1 trading arrangements during the lock-up period, which expired on February 8, 2025, except pursuant to any exceptions set forth in the lock-up agreements.