Item 4 of the Schedule 13D is hereby amended and supplemented as follows: On June 10, 2025, KKR Phoenix Aggregator L.P., as a selling stockholder, the Issuer, and the other selling stockholders identified therein, entered into an underwriting agreement (the "Underwriting Agreement") with Goldman Sachs & Co. LLC and BofA Securities Inc., as representatives (the "Representatives") of several underwriters (collectively, the "Underwriters"), and KKR Capital Markets LLC, as lead managing agent (the "Lead Managing Agent"), providing for the offer and sale of 14,000,000 shares of Common Stock (the "Shares") by the selling stockholders, including 13,288,101 shares by KKR Phoenix Aggregator L.P. (the "Offering"), and purchase by the Underwriters of the Shares, at a price to the public of $21.75 per share, less the underwriting discounts and commissions of $0.598125 per share, resulting in net proceeds to KKR Phoenix Aggregator L.P. of $21.151875 per share. KKR Phoenix Aggregator L.P. also granted the Underwriters a 30-day option (the "Over-Allotment Option") to purchase up to an aggregate of 2,100,000 shares of Common Stock at the same price per share. The Offering closed on June 12, 2025. The Offering was made pursuant to the Issuer's shelf registration statement on Form S-3 (File No. 333- 287916), as supplemented by a preliminary prospectus and prospectus, each dated June 10, 2025. Pursuant to the Underwriting Agreement, KKR Phoenix Aggregator L.P. has entered into a lock-up agreement (the "Lock-Up Agreement") with the Underwriters pursuant to which it has agreed with the Underwriters, subject to customary exceptions, not to offer, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock, or any securities convertible into or exercisable or exchangeable for Common Stock, during the period from June 10, 2025 continuing through the date 60 days thereafter, except with the prior written consent of the Representatives and the Lead Managing Agent. The descriptions of the Underwriting Agreement and Lock-up Agreement contained in this Item 4 is not intended to be complete and is qualified in their entirety by reference to the Underwriting Agreement and Form of Lock-Up Agreement, each of which is filed as an exhibit hereto and incorporated by reference herein.

Items 5(a) - (c) of the Schedule 13D are hereby amended and restated as follows: The response of the Reporting Persons to rows 7 through 13 on the cover page of this Schedule 13D are incorporated by reference herein. KKR Phoenix Aggregator L.P. directly holds 79,196,337 shares of Common Stock, a foundation over which Mr. Kravis may be deemed to have shared investment and voting power directly holds 60,002 shares of Common Stock, and a revocable trust of which Mr. Roberts is the sole trustee (the "Roberts Trust") directly holds 51,364 shares of Common Stock. Collectively, the Reporting Persons beneficially own an aggregate of 79,307,703 shares representing approximately 45.0% of the outstanding shares of Common Stock of the Issuer. Calculations of the Common Stock beneficially owned are based on an aggregate of 176,393,492 shares of Common Stock outstanding following the closing of the Offering, as reported in the Issuer's prospectus supplement on Form 424B7 filed with the Securities and Exchange Commission on June 10, 2025. KKR Phoenix Aggregator GP LLC (as the general partner of KKR Phoenix Aggregator L.P.), KKR Americas Fund XII L.P. (as the sole member of KKR Phoenix Aggregator GP LLC), KKR Associates Americas XII L.P. (as the general partner of KKR Americas Fund XII L.P.), KKR Americas XII Limited (as the general partner of KKR Associates Americas XII L.P.), KKR Group Partnership L.P. (as the sole shareholder of KKR Americas XII Limited), KKR Group Holdings Corp. (as the general partner of KKR Group Partnership L.P.), KKR Group Co. Inc. (as the sole shareholder of KKR Group Holdings Corp.), KKR & Co. Inc. (as the sole shareholder of KKR Group Co. Inc.), KKR Management LLP (as the Series I preferred stockholder of KKR & Co. Inc.), and Messrs. Kravis and Roberts (as the founding partners of KKR Management LLP) may be deemed to be the beneficial owner of the securities reported herein. The filing of this Schedule 13D shall not be construed as an admission that any of the above-listed entities or individuals is the beneficial owner of any securities covered by this Schedule 13D. To the best knowledge of the Reporting Persons, except as set forth in this Schedule 13D, none of the individuals named in Item 2 beneficially owns any Common Stock.

See Item 5(a) above.

Except as otherwise set forth herein, none of the Reporting Persons, or, to the best knowledge of the Reporting Persons, any other individual named in Item 2 has engaged in any transaction in Common Stock during the past 60 days. On June 12, 2025, in connection with the sale reported herein, KKR Phoenix Aggregator L.P. and certain of its affiliates initiated the distribution (the "Distribution") of an aggregate of 475,546 shares of Common Stock to their respective partners and shareholders as in-kind distributions, including (i) 60,002 shares distributed to a foundation over which Mr. Kravis may be deemed to have shared investment and voting power, (ii) 51,364 shares distributed to the Roberts Trust, (iii) 71,368 shares distributed to a trust of which Mr. Bae is a trustee, and (iv) 58,144 shares distributed to Mr. Nuttall. These in-kind distributions are for the purpose of the ultimate recipients making charitable donations of shares of Common Stock.

Item 6 of the Schedule 13D is hereby amended and supplemented as follows: The information set forth in Item 4 of the Schedule 13D is hereby incorporated by reference into this Item 6.

Item 7 of the Schedule 13D is hereby amended and supplemented as follows: Exhibit No. Description 99.1 Annex A Directors of KKR & Co., Inc Exhibit F Powers of Attorney Exhibit G Underwriting Agreement, dated June 10, 2025 among the Issuer, KKR Phoenix Aggregator L.P., certain selling stockholders named therein, Goldman Sachs & Co. LLC, BofA Securities Inc., and KKR Capital Markets LLC (Incorporated by reference to Exhibit 1.1 of the Issuer's Current Report on Form 8-K filed on June 12, 2025) Exhibit H Form of Lock-Up Agreement (Incorporated by reference to Exhibit A to Exhibit 1.1 of the Issuer's Current Report on Form 8-K filed on June 12, 2025)