X0508 4 2026-02-27 0002083785 Sunbelt Rentals Holdings, Inc. SUNB 0001515026 Pease Alexander W 1799 INNOVATION PT FORT MILL SC 29715 false true false false Chief Financial Officer false Common Stock 2026-02-27 4 A false 22477 A 22477 D Common Stock 2026-03-02 4 A false 44841 A 67318 D Deferred Stock Units 2026-02-27 4 A false 4032 A Common Stock 4032 4032 D Represents restricted stock units, of which 4,081 will vest on July 4, 2026; 3,412 will vest on October 11, 2026; 4,080 will vest on July 4, 2027; 3,412 will vest on October 11, 2027; 4,080 will vest on July 4, 2028; and 3,412 will vest on October 11, 2028. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant. Represents performance stock units ("PSUs"), each representing a contractual right to receive one share of common stock of the registrant. The performance conditions of the PSUs were deemed satisfied on March 2, 2026, in connection with the Registrant's initial listing on the New York Stock Exchange and as further discussed in the Registrant's Registration Statement on Form 10/A filed on February 13, 2026. Of such PSUs, 20,421 will vest on June 20, 2027 and 24,420 will vest on July 4, 2028. Represents deferred stock units which will vest on April 30, 2026. Each deferred stock unit is the economic equivalent of one share of the Registrant's common stock and is settled solely in cash. /s/ Abbey MacDonald, Attorney-in-Fact 2026-03-03