X0508 4 2026-02-12 0 0000030625 FLOWSERVE CORP FLS 0001929781 Hudson Susan Claire 5215 N. O'CONNOR BLVD. SUITE 700 IRVING TX 75039 0 1 0 0 Chief Legal Officer 0 Common Stock 2026-02-13 4 A 0 21242 0 A 27831 D Common Stock 2026-02-13 4 F 0 8425 87.02 D 19406 D Performance Rights 2026-02-12 4 A 0 7287 0 A Common Stock 7287 33981 D Restricted Stock Units 2026-02-12 4 A 0 7287 0 A Common Stock 7287 23315 D Performance Rights 2026-02-13 4 M 0 20128 0 D Common Stock 20128 13853 D Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% and are based on two factors during a three-year performance cycle beginning on January 1, 2026 and ending on December 31, 2028 which are: 1) the issuer's return on invested capital ("ROIC") measured against the issuer's target ROIC for each calendar year during the performance period; and 2) the issuer's average annual earnings per share growth over each calendar year during the performance period. The performance rights are also subject to a 15% payout modifier (positive or negative) based on the issuer's relative total shareholder return ("TSR") in comparison to the TSR of companies that comprise the S&P 500 Industrial Index for the entire performance period, as of January 1, 2026. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock. Each restricted stock unit represents the right to receive, at settlement, one share of common stock and are granted to the reporting person pursuant to the issuer's long-term incentive compensation plan for employees. The shares vest ratably over a three-year period on each annual anniversary of March 1, 2026. Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% and are based on two factors during a three-year performance cycle beginning on January 1, 2023 and ending on December 31, 2025 which are: 1) the issuer's return on invested capital ("ROIC") measured against the issuer's target ROIC for each calendar year during the performance period; and 2) the issuer's free cash flow ("FCF") as a percentage of net income for each calendar year during the performance period. The performance rights are also subject to a 15% payout modifier (positive or negative) based on the issuer's relative total shareholder return ("TSR") in comparison to the TSR of companies that comprise the S&P 500 Industrial Index for the entire performance period. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock. /s/ Shakeeb U. Mir, attorney-in-fact 2026-02-17