| Schedule of Earnings Per Share Calculation |
The following table sets forth the calculation of basic and diluted earnings per share, or EPS, for the three and nine months ended September 30, 2026 and 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | | 2026 | | 2025 | | 2026 | | 2025 | | Numerator (in millions) | | | | | | | | | | Net income attributable to Solaris Energy Infrastructure, Inc. | | $ | 34.6 | | | $ | 14.6 | | | $ | 76.5 | | | $ | 31.8 | | Less: income attributable to participating securities (1) | | (1.0) | | | (0.6) | | | (2.4) | | | (1.4) | | | Net income attributable to Class A shareholders - basic | | $ | 33.6 | | | $ | 14.0 | | | $ | 74.1 | | | $ | 30.4 | | | Convertible notes interest charge, net of tax | | 1.7 | | | 1.4 | | | 4.5 | | | 1.5 | | | | | | | | | | | | Net income attributable to common stockholders - diluted | | $ | 35.3 | | | $ | 15.4 | | | $ | 78.6 | | | $ | 31.9 | | | | | | | | | | | | Denominator | | | | | | | | | | Basic weighted average shares of Class A common stock outstanding | | 63,782,907 | | 43,770,158 | | 58,811,498 | | 39,282,686 | | Effect of dilutive securities: | | | | | | | | | | Dilutive convertible notes | | 18,941,057 | | 5,872,888 | | 18,941,057 | | 3,248,374 | | Performance-based restricted stock units | | 843,424 | | 785,768 | | 719,650 | | 659,409 | | | | | | | | | | | Diluted weighted average shares of Class A common stock outstanding | | 83,567,388 | | 50,428,814 | | 78,472,205 | | 43,190,469 | | | | | | | | | | | Earnings per share of Class A common stock - basic | | $ | 0.53 | | | $ | 0.32 | | | $ | 1.26 | | | $ | 0.77 | | | Earnings per share of Class A common stock - diluted | | $ | 0.42 | | | $ | 0.31 | | | $ | 1.00 | | | $ | 0.74 | |
(1)The Company’s unvested restricted stock awards are participating securities because they entitle the holders to non-forfeitable rights to dividends until the awards vest or are forfeited.
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| Schedule of Antidilutive Shares |
The following weighted-average potentially dilutive shares were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Class B common stock | 10,734,852 | | 22,326,940 | | 12,816,200 | | 26,410,799 | | | | | | | | | | Restricted stock awards | 2,009,011 | | 1,845,628 | | 1,946,378 | | 1,893,223 | | Performance-based restricted stock units | 91,600 | | — | | 463,033 | | 94,027 | | | | | | | | | | Total | 12,835,463 | | 24,172,568 | | 15,225,611 | | 28,398,049 |
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