HUBBELL INC — Director's Dealing 2021

May 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUBBELL INC (HUBB)
CIK: 0000048898
Period of Report: 2021-04-29

Reporting Person: Mais Stephen M (Senior VP Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-29	Common Stock	A	1165	—	Acquired	16146	Direct
2021-04-29	Common Stock	F	540	$194.04	Disposed	15606	Direct
2021-04-30	Common Stock	M	9563	$97.48	Acquired	25169	Direct
2021-04-30	Common Stock	F	7010	$193.01	Disposed	18159	Direct
2021-04-30	Common Stock	S	625	$194.05	Disposed	17534	Direct
2021-04-30	Common Stock	S	2553	$193.10	Disposed	14981	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-30	Stock Appreciation Rights	$97.48	M	9563	Acquired	2025-12-08	Common Stock (9563.0)	Direct

Footnotes

F1: Shares of the Company's Common Stock acquired upon the vesting of a performance share award granted on December 5, 2017, which vested at 133% of the target amount of the award based upon the Company's Relative Sales Growth as compared to the other companies in the S&P 900 Index measured over a three year period.

F2: Shares withheld for payment of taxes upon vesting of performance shares.

F3: The shares withheld by the Issuer were calculated on the spread between the price of the SAR and the market price on the date the SAR was exercised. The payment of withholding taxes for the SAR that was exercised on this date was also included in this number.

F4: The stock appreciation right vests and becomes exercisable in three equal annual installments beginning on December 8, 2015.