ADVANCED ENERGY INDUSTRIES INC — Director's Dealing 2021

May 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ADVANCED ENERGY INDUSTRIES INC (AEIS)
CIK: 0000927003
Period of Report: 2021-04-30

Reporting Person: Minnix Lanesha (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-30	Common Stock	A	1813	$0.00	Acquired	3585	Direct
2021-05-03	Common Stock	S	620	$111.56	Disposed	2965	Direct

Footnotes

F1: The restricted stock units granted on April 30, 2021 will vest 100% at the first anniversary date of the grant date. This is an annual non-employee director grant as outlined in the 2021 proxy.

F2: The sales reported in this Form 4 were effective pursuant to a Rule 10b5-1 plan adopted by the reporting person February 15, 2021.

F3: Represents 1,813 shares of unvested restricted stock units and 1,152 shares of common stock.