ESS Tech, Inc. — Director's Dealing 2021

Dec 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ESS Tech, Inc. (GWH)
CIK: 0001819438
Period of Report: 2021-12-17

Reporting Person: Dresselhuys Eric P. (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-17	Common Stock	A	762938	$0.00	Acquired	892997	Direct

Footnotes

F1: The shares are represented by restricted stock units, or RSUs, of which one-fourth of the 457,763 RSUs vest on May 20, 2022 and the remaining shares vest thereafter in 16 equal quarterly installments and an additional 305,175 RSUs vest as follows: for any forty out of any 60 trading days during the five year period beginning on October 8, 2022 (i) 50% 0f the RSUs shall vest if the closing price per share of the Issuer's common stock is at or greater than $12.50 per share and (ii) 50% of the RSUs shall vest if the closing price is at or greater than $15.00 per share.