X0306 4 2017-03-10 0 0001067701 UNITED RENTALS INC /DE URI 0001486607 Flannery Matthew John C/O UNITED RENTALS, INC. 100 FIRST STAMFORD PLACE - STE 700 STAMFORD CT 06902 0 1 0 0 Exec.VP and COO Common Stock 2017-03-10 4 F 0 857 122.95 D 30426 D Common Stock 2017-03-13 4 S 0 8785 124.538 D 21641 D Common Stock 2017-03-13 4 M 0 10000 31.49 A 31641 D Common Stock 2017-03-13 4 S 0 10000 124.41 D 21641 D Stock Option - Right to Buy 31.49 2017-03-13 4 M 0 10000 0 D 2021-03-07 Common Stock 10000 0 D Securities disposed of represent shares surrendered for tax purposes in connection with the vesting and settlement of restricted stock units granted and previously reported on Form 4. Represents weighted average sale price for executed sale transactions on March 13, 2017. The range of prices for such transactions was from $124.51 to $124.60. The reporting person hereby undertakes, upon request by the Commission staff, the issuer, or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price within the range. Represents weighted average sale price for executed sale transactions on March 13, 2017. The range of prices for such transactions was from $124.37 to $124.45. The reporting person hereby undertakes, upon request by the Commission staff, the issuer, or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price within the range. In connection with an option award granted to the reporting person on March 8, 2011 and previously reported on Form 4, 3,500 of the option shares became exercisable on each of March 8, 2012 and March 8, 2013 and March 8, 2014. /s/ Craig A. Pintoff, attorney-in-fact 2017-03-13