Selling stockholders completed an underwritten public offering of 20,000,000 shares of Class A common stock at $21.00 per share. Underwriters exercised a 30-day option to purchase an additional 3,000,000 shares, bringing the total offering to 23,000,000 shares. Fluence Energy, Inc. did not sell any shares in the offering and will not receive any proceeds from the sale. AES Grid Stability, LLC exercised a redemption right for 10,066,414 common units of Fluence Energy, LLC, which the company settled by issuing 10,066,414 shares of Class A common stock.