Mark S. Peek - 10 Dec 2021 Form 4 Insider Report for SentinelOne, Inc. (S)

Footnote F1

Represents deferred stock units ("DSUs") granted on December 10, 2021 pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") as a form of voluntary deferred compensation for serving as a non-employee director. Each DSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The DSUs vest as to 25% of the total shares on each of March 15, June 15, September 15 and December 15 following December 10, 2021, with the final quarterly installment vest on the earliest of (i) the date of the next annual meeting of the Issuer's stockholders, (ii) the date immediately prior to the next annual meeting of the Issuer's stockholders if the applicable non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election, and

Footnote F2

[cont'd from Footnote 1] (iii) the originally scheduled vesting date of such DSU installment, subject to the Reporting Person's provision of service to the Issuer on each vesting date and subject to the terms of the Program.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.85 to $48.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein.