Hayward Holdings, Inc.

Securities Trading Plans of Directors and Executive Officers

During the three months ended September 26, 2026, three of the Company’s directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) entered into a contract, instruction, or written plan for the purchase or sale of our securities that is intended to satisfy the conditions specified in Rule 10b5-1(c) under the Exchange Act for an affirmative defense against liability for trading in securities on the basis of material nonpublic information. We refer to this contract, instruction, or written plan as a “Rule 10b5-1 Trading Plan.”

We describe the material terms of each such Rule 10b5-1 Trading Plan below.

On August 3, 2026, Kevin Holleran, our President and Chief Executive Officer, adopted a Rule 10b5-1 Trading Plan that provides for the sale, subject to certain conditions, of up to 332,000 shares of our common stock issuable upon the exercise of vested stock options and 8,000 shares held by certain trusts. Sales may be made under this trading plan through June 30, 2027, for a duration of 332 days.

On August 7, 2026, Eric L. Sejourne, our Senior Vice President, Chief Global Operations Officer, adopted a Rule 10b5-1 Trading Plan that provides for the sale, subject to certain conditions (including a limit price), of 100% of the net shares of our common stock (after tax withholding) issuable upon the vesting of 20,361 restricted stock units and 15,570 performance stock units (at target; the actual number of shares issuable upon the vesting may vary). Sales may be made under this trading plan through July 30, 2027, for a duration of 358 days.

On August 13, 2026, Eifion Jones, our Senior Vice President, Chief Financial Officer, adopted a Rule 10b5-1 Trading Plan that provides for the exercise of stock options and the sale, subject to certain conditions (including limit prices), of up to 196,887 shares of our common stock acquired on those exercises. It also covers up to an additional 79,113 shares of our common stock acquired on the exercise of stock options. Sales may be made under this trading plan through April 14, 2027, for a duration of 245 days.