Item 8.01. Other Events.

As previously disclosed, on April 19, 2024, APi Group Corporation (the "Company") closed its previously announced offering of 11,000,000 shares of the Company's common stock, par value $0.0001 per share ("Common Stock") pursuant to the Company's effective automatic shelf registration statement on Form S-3(File No. 333-271651)previously filed with the Securities and Exchange Commission (the "SEC"), raising approximately $398.1 million in net proceeds after deducting underwriting discounts and before offering expenses. Pursuant to the Underwriting Agreement, dated April 16, 2024 (the "Underwriting Agreement"), by and among the Company and Citigroup Global Markets Inc., BofA Securities, Inc. and UBS Securities LLC, as representatives (the "Representatives") for the several underwriters named in Schedule II thereto (the "Underwriters"), the Underwriters were granted a 30-dayoption (the "Option") to purchase up to an additional 1,650,000 shares of Common Stock (the "Option Shares") from the Company on the same terms and conditions.

On April 24, 2024, the Representatives notified the Company that they had elected to exercise the Option in full. The offering of the Option Shares closed on April 25, 2024, raising an additional approximately $59.7 million in net proceeds after deducting underwriting discounts and before offering expenses.