12.Earnings Per Share

Net Income Per Share

Basic and diluted net income per share attributable to our Class A common stock is computed by dividing net income attributable to Aris Water Solutions, Inc. by the weighted average number of shares of Class A common stock outstanding for the same period, including shares of restricted stock and restricted stock units (“RSUs”), which receive nonforfeitable dividends. Shares issued during the period are weighted for the portion of the period in which the shares were outstanding.

The following table sets forth the computation of basic and diluted net income per share attributable to our Class A common stock for the periods indicated:

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Shares of Class B common stock are considered potentially dilutive shares of Class A common stock because they may be redeemed for shares of Class A common stock on a one-for-one basis. A total of 26,493,565 and 26,921,343 weighted average shares of Class B common stock outstanding, respectively, were determined to be antidilutive for the three and six months ended June 30, 2025 and were excluded from the computation of diluted earnings per share of Class A common stock. No PSUs outstanding were determined to be antidilutive and were excluded from the computation of diluted earnings per share for each of the three and six months ended June 30, 2025.

A total of 27,543,565 weighted average shares of Class B common stock outstanding for each of the three and six months ended June 30, 2024 were determined to be antidilutive and were excluded from the computation of diluted earnings per share of Class A common stock. In addition, zero and 11,525 PSUs were determined to be antidilutive for the three and six months ended June 30, 2024, respectively, and were excluded from the computation of diluted earnings per share for those periods.