Dominic A. Savarino - Jul 1, 2023 Form 4 Insider Report for DIAMOND OFFSHORE DRILLING, INC. (DO)

Role: Senior Vice President and CFO
Signature: /s/ Terence W. Waldorf Attorney-in-Fact for Dominic A. Savarino
Stock symbol: DO
Transactions as of: Jul 1, 2023
Transactions value $: -$70,889
Form type: 4
Date filed: 7/5/2023, 03:54 PM
Previous filing: Jun 1, 2023
Next filing: Jul 10, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DO	Common Stock	Options Exercise		+20.1K	+70.45%		48.7K	Jul 1, 2023	Direct	F1, F2
transaction	DO	Common Stock	Tax liability	-$70.9K	-4.9K	-10.07%	$14.47	43.8K	Jul 1, 2023	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DO	Restricted Stock Units	Options Exercise	$0	-20.1K	-50%	$0.00	20.1K	Jul 1, 2023	Common Stock	20.1K		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units convert into common stock on a one-for-one basis.
F2	The total reported in Column 5 has been adjusted to correct an overstatement of total holdings by 12,054 shares first reflected in a Form 4 filed on May 31, 2023. The correct total holdings of the reporting person following the previously reported transaction was 28,554 shares.
F3	The restricted stock units vest in three equal installments on July 1, 2022, July 1, 2023 and July 1, 2024. One share of common stock will be delivered with respect to each vested restricted stock unit within 30 days after the applicable vesting date.