X0306 4 2019-11-11 0 0001145057 FORESCOUT TECHNOLOGIES, INC FSCT 0001228853 DEWALT DAVID G C/O FORESCOUT TECHNOLOGIES, INC. 190 WEST TASMAN DRIVE SAN JOSE CA 95134 1 0 0 1 Vice Chairman of the Board Common Stock 2019-11-11 4 S 0 15560 29.641 D 510306 D Common Stock 2019-11-11 4 S 0 349 30.627 D 509957 D Common Stock 2019-11-11 4 S 0 24387 32.633 D 485570 D Common Stock 2019-11-11 4 S 0 1263 33.34 D 484307 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. This sale price represents the weighted average sale price of the shares sold ranging from $29.27 to $30.24 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $30.325 to $30.66 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $32.22 to $33.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $33.22 to $33.69 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. /s/ Darren J. Milliken, by power of attorney 2019-11-12