| Schedule of Dilutive securities |
| | | | | | | | | | | Three Months Ended March 31, | | Six Months Ended March 31, | | | 2026 | | 2025 | | 2026 | | 2025 | Class B-1 common stock | | 51,499,195 | | 51,499,195 | | 51,499,195 | | 51,499,195 | Shares underlying the conversion option in the 2030 Convertible Senior Notes | | 18,738,880 | | 18,738,880 | | 18,738,880 | | 18,738,880 | Outstanding pre-IPO options issued pursuant to the 2020 Unit Option Plan | | 1,397,309 | | 2,594,137 | | 1,397,309 | | 2,594,137 | Outstanding restricted stock units (“RSUs”) | | 1,770,029 | | 2,772,801 | | 1,770,029 | | 2,772,801 | Outstanding performance share units (“PSUs”) | | 979,132 | | 982,820 | | 979,132 | | 982,820 | Outstanding non-qualified stock options | | 657,313 | | 474,992 | | 657,313 | | 474,992 | Outstanding restricted stock (“Nispera equity”) | | — | | 177,067 | | — | | 177,067 |
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| Schedule of Earnings per share, basic and diluted |
| | | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | 2026 | | 2025 | | | | | | | | $per | | | | | | | $per | In thousands, except share and per share amounts | | Loss | | Shares | | Share | | Loss | | Shares | | Share | Basic loss per Share | | | | | | | | | | | | | | | | | Net loss attributable to Fluence Energy, Inc. | | $ | (20,927) | | 132,542,675 | | $ | (0.16) | | $ | (31,046) | | 129,985,932 | | $ | (0.24) | Diluted loss per Share | | | | | | | | | | | | | | | | | Net loss attributable to Fluence Energy, Inc. | | $ | (20,927) | | 132,542,675 | | $ | (0.16) | | $ | (31,046) | | 129,985,932 | | $ | (0.24) |
| | | | | | | | | | | | | | | | | | | Six Months Ended March 31, | | | 2026 | | 2025 | | | | | | | | $per | | | | | | | $per | In thousands, except share and per share amounts | | Loss | | Shares | | Share | | Loss | | Shares | | Share | Basic loss per Share | | | | | | | | | | | | | | | | | Net loss attributable to Fluence Energy, Inc. | | $ | (65,997) | | 132,026,842 | | $ | (0.50) | | $ | (72,512) | | 129,731,535 | | $ | (0.56) | Diluted loss per Share | | | | | | | | | | | | | | | | | Net loss attributable to Fluence Energy, Inc. | | $ | (65,997) | | 132,026,842 | | $ | (0.50) | | $ | (72,512) | | 129,731,535 | | $ | (0.56) |
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