SC 13D/A 1 sc13da206297155_01272023.htm AMENDMENT NO. 2 TO THE SCHEDULE 13D

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 2)¹

AECOM

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

00766T100

(CUSIP Number)

JEFFREY C. SMITH

STARBOARD VALUE LP

777 Third Avenue, 18^th Floor

New York, New York 10017

(212) 845-7977

STEVE WOLOSKY, ESQ.

ANDREW FREEDMAN, ESQ.

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

January 25, 2023

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties to whom copies are to be sent.

1 The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

6,761,000

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

6,761,000

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

CAYMAN ISLANDS

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

3,059,533

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

3,059,533

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

3,059,533*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.2%

TYPE OF REPORTING PERSON

* Includes 50,537 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE AND OPPORTUNITY S LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

538,460

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

538,460

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

538,460

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE AND OPPORTUNITY C LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

325,828

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

325,828

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,828

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD P FUND LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

CAYMAN ISLANDS

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

587,065

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

587,065

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

587,065

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE P GP LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

587,065

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

587,065

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

587,065

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE R LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

912,893

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

912,893

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

912,893

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE AND OPPORTUNITY MASTER FUND L LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

CAYMAN ISLANDS

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

233,441

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

233,441

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

233,441

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE L LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

233,441

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

233,441

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

233,441

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE R GP LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

1,146,334

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

1,146,334

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,146,334

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD LEADERS YANKEE LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

325,236

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

325,236

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,236

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD LEADERS FUND LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

325,236

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

325,236

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,236

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100


	1	NAME OF REPORTING PERSON

			STARBOARD LEADERS SELECT X LP
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐

	3	SEC USE ONLY


	4	SOURCE OF FUNDS


	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐


	6	CITIZENSHIP OR PLACE OF ORGANIZATION

			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					- 0 -
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER

					- 0 -
			10	SHARED DISPOSITIVE POWER

					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

			- 0 -
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐


	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

			0%
	14	TYPE OF REPORTING PERSON

			PN

CUSIP No. 00766T100


	1	NAME OF REPORTING PERSON

			STARBOARD LEADERS SELECT X GP LLC
	2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP				(a) ☐
						(b) ☐

	3	SEC USE ONLY


	4	SOURCE OF FUNDS


	5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)				☐


	6	CITIZENSHIP OR PLACE OF ORGANIZATION

			DELAWARE
NUMBER OF			7	SOLE VOTING POWER
SHARES
BENEFICIALLY					- 0 -
OWNED BY			8	SHARED VOTING POWER
EACH
REPORTING					- 0 -
PERSON WITH			9	SOLE DISPOSITIVE POWER

					- 0 -
			10	SHARED DISPOSITIVE POWER

					- 0 -
	11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

			- 0 -
	12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES				☐


	13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

			0%
	14	TYPE OF REPORTING PERSON

			OO

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE A LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

325,236

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

325,236

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,236

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE A GP LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

325,236

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

325,236

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,236

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE X MASTER FUND LTD

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

CAYMAN ISLANDS

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

796,594

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

796,594

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

796,594*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

Less than 1%

TYPE OF REPORTING PERSON

* Includes 11,147 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD VALUE GP LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

6,761,000

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

6,761,000

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD PRINCIPAL CO LP

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

6,761,000

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

6,761,000

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

STARBOARD PRINCIPAL CO GP LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

6,761,000

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

- 0 -

PERSON WITH

SOLE DISPOSITIVE POWER

6,761,000

SHARED DISPOSITIVE POWER

- 0 -

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

JEFFREY C. SMITH

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

USA

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

- 0 -

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

6,761,000

PERSON WITH

SOLE DISPOSITIVE POWER

- 0 -

SHARED DISPOSITIVE POWER

6,761,000

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

NAME OF REPORTING PERSON

PETER A. FELD

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐

(b) ☐

SEC USE ONLY

SOURCE OF FUNDS

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)

☐

CITIZENSHIP OR PLACE OF ORGANIZATION

USA

NUMBER OF

SOLE VOTING POWER

BENEFICIALLY

- 0 -

OWNED BY

SHARED VOTING POWER

EACH

REPORTING

6,761,000

PERSON WITH

SOLE DISPOSITIVE POWER

- 0 -

SHARED DISPOSITIVE POWER

6,761,000

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,761,000*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

4.9%

TYPE OF REPORTING PERSON

* Includes 61,684 Shares underlying certain forward purchase contracts exercisable within 60 days hereof.

CUSIP No. 00766T100

The following constitutes Amendment No. 2 to the Schedule 13D filed by the undersigned (“Amendment No. 2”). This Amendment No. 2 amends the Schedule 13D as specifically set forth herein.

Item 2.

Identity and Background.

Item 2 is hereby amended to add the following:

The address of the principal office of each of Messrs. Smith and Feld is c/o Starboard Value LP, 201 E Las Olas Boulevard, Suite 1000, Fort Lauderdale, Florida 33301. The officers and directors of each of Starboard V&O Fund and Starboard X Master and their principal occupations, business addresses and citizenships are set forth on Schedule A and are incorporated by reference in this Item 2.

Item 3.

Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The securities purchased by each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard L Master, Starboard P LP, Starboard Yankee LLC, Starboard X Master, and held in the Starboard Value LP Account were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule B, which is incorporated by reference herein.

The aggregate purchase price of the 3,008,996 Shares beneficially owned by Starboard V&O Fund is approximately $97,831,950, excluding brokerage commissions. The aggregate purchase price of the entered into over-the-counter forward purchase contracts providing for the purchase of 50,537 Shares by Starboard V&O Fund is approximately $3,308,208, excluding brokerage commissions. The aggregate purchase price of the 538,460 Shares beneficially owned by Starboard S LLC is approximately $17,734,950, excluding brokerage commissions. The aggregate purchase price of the 325,828 Shares beneficially owned by Starboard C LP is approximately $10,836,007, excluding brokerage commissions. The aggregate purchase price of the 233,441 Shares beneficially owned by Starboard L Master is approximately $7,554,389, excluding brokerage commissions. The aggregate purchase price of the 587,065 Shares beneficially owned by Starboard P LP is approximately $22,555,872, excluding brokerage commissions. The aggregate purchase price of the 325,236 Shares beneficially owned by Starboard Yankee LLC is approximately $10,786,002, excluding brokerage commissions. The aggregate purchase price of the 785,447 Shares beneficially owned by Starboard X Master is approximately $36,047,479, excluding brokerage commissions. The aggregate purchase price of the entered into over-the-counter forward purchase contracts providing for the purchase of 11,147 Shares by Starboard X Master is approximately $729,695, excluding brokerage commissions. The aggregate purchase price of the 894,843 Shares held in the Starboard Value LP Account is approximately $31,542,423, excluding brokerage commissions.

Item 5.

Interest in Securities of the Issuer.

Item 5 is hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 138,650,280 Shares outstanding, as of November 10, 2022, which is the total number of Shares outstanding as reported in the Issuer’s Annual Report on Form 10-K filed with the Securities and Exchange Commission on November 17, 2022.

CUSIP No. 00766T100

Starboard V&O Fund

(a)

As of the close of business on January 27, 2023, Starboard V&O Fund beneficially owned 3,059,533 Shares, including 50,537 Shares underlying certain forward purchase contracts.

Percentage: Approximately 2.2%

(b)

1. Sole power to vote or direct vote: 3,059,533
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 3,059,533
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard V&O Fund during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard S LLC

(a)

As of the close of business on January 27, 2023, Starboard S LLC beneficially owned 538,460 Shares.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 538,460
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 538,460
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard S LLC during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard C LP

(a)

As of the close of business on January 27, 2023, Starboard C LP beneficially owned 325,828 Shares.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 325,828
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 325,828
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard C LP during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard P LP

(a)

As of the close of business on January 27, 2023, Starboard P LP beneficially owned 587,065 Shares.

Percentage: Less than 1%

CUSIP No. 00766T100

(b)

1. Sole power to vote or direct vote: 587,065
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 587,065
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard P LP during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard P GP

(a)

Starboard P GP, as the general partner of Starboard P LP, may be deemed the beneficial owner of the 587,065 Shares owned by Starboard P LP.

Percentage: Less than 1%

(b)

(c)

Starboard P GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard P LP during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard R LP

(a)

Starboard R LP, as the general partner of Starboard C LP and sole member of Starboard P GP, may be deemed the beneficial owner of the (i) 325,828 Shares owned by Starboard C LP and (ii) 587,065 Shares owned by Starboard P LP.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 912,893
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 912,893
4. Shared power to dispose or direct the disposition: 0

(c)

Starboard R LP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of each of Starboard C LP and Starboard P LP during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard L Master

(a)

As of the close of business on January 27, 2023, Starboard L Master beneficially owned 233,441 Shares.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 233,441
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 233,441
4. Shared power to dispose or direct the disposition: 0

CUSIP No. 00766T100

(c)

The transactions in the Shares by Starboard L Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard L GP

(a)

Starboard L GP, as the general partner of Starboard L Master, may be deemed the beneficial owner of the 233,441 Shares owned by Starboard L Master.

Percentage: Less than 1%

(b)

(c)

Starboard L GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard L Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard R GP

(a)

Starboard R GP, as the general partner of Starboard R LP and Starboard L GP, may be deemed the beneficial owner of the (i) 325,828 Shares owned by Starboard C LP, (ii) 587,065 Shares owned by Starboard P LP and (iii) 233,441 Shares owned by Starboard L Master.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 1,146,334
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 1,146,334
4. Shared power to dispose or direct the disposition: 0

(c)

Starboard R GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of each of Starboard C LP, Starboard P LP and Starboard L Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard Yankee LLC

(a)

As of the close of business on January 27, 2023, Starboard Yankee LLC beneficially owned 325,236 Shares.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 325,236
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 325,236
4. Shared power to dispose or direct the disposition: 0

CUSIP No. 00766T100

(c)

The transactions in the Shares by Starboard Yankee LLC during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard Leaders Fund

(a)

Starboard Leaders Fund, as a member of Starboard Yankee LLC, may be deemed the beneficial owner of the 325,236 Shares owned by Starboard Yankee LLC.

Percentage: Less than 1%

(b)

(c)

Starboard Leaders Fund has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Yankee LLC during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard Select X LP

(a)

As of the close of business on January 27, 2023, Starboard Select X LP beneficially owned 0 Shares.

Percentage: 0%

(b)

1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 0

(c)

Starboard Select X LP has not entered into any transactions in the Shares during the past sixty days.

Starboard Select X GP

(a)

Starboard Select X GP, as the general partner of Starboard Select X LP, may be deemed the beneficial owner of the 0 Shares owned by Starboard Select X LP.

Percentage: 0%

(b)

1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 0

(c)

Starboard Select X GP has not entered into any transactions in the Shares during the past sixty days.

CUSIP No. 00766T100

Starboard A LP

(a)

Starboard A LP, as the general partner of Starboard Leaders Fund and the managing member of Starboard Yankee LLC and Starboard Select X GP, may be deemed the beneficial owner of the (i) 325,236 Shares owned by Starboard Yankee LLC and (ii) 0 Shares owned by Starboard Select X LP.

Percentage: Less than 1%

(b)

(c)

Starboard A LP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Yankee LLC during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard A GP

(a)

Starboard A GP, as the general partner of Starboard A LP, may be deemed the beneficial owner of the (i) 325,236 Shares owned by Starboard Yankee LLC and (ii) 0 Shares owned by Starboard Select X LP.

Percentage: Less than 1%

(b)

(c)

Starboard A GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Yankee LLC during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard X Master

(a)

As of the close of business on January 27, 2023, Starboard X Master beneficially owned 796,594 Shares, including 11,147 Shares underlying certain forward purchase contracts.

Percentage: Less than 1%

(b)

1. Sole power to vote or direct vote: 796,594
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 796,594
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard X Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

CUSIP No. 00766T100

Starboard Value LP

(a)

As of the close of business on January 27, 2023, 894,843 Shares were held in the Starboard Value LP Account. Starboard Value LP, as the investment manager of Starboard V&O Fund, Starboard C LP, Starboard L Master, Starboard P LP, Starboard Yankee LLC, Starboard Select X LP, Starboard X Master, and the Starboard Value LP Account and the manager of Starboard S LLC, may be deemed the beneficial owner of the (i) 3,059,533 Shares owned by Starboard V&O Fund, (ii) 538,460 Shares owned by Starboard S LLC, (iii) 325,828 Shares owned by Starboard C LP, (iv) 233,441 Shares owned by Starboard L Master, (v) 587,065 Shares owned by Starboard P LP, (vi) 325,236 Shares owned by Starboard Yankee LLC, (vii) 796,594 Shares owned by Starboard X Master and (viii) 894,843 Shares held in the Starboard Value LP Account.

Percentage: Approximately 4.9%

(b)

1. Sole power to vote or direct vote: 6,761,000
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 6,761,000
4. Shared power to dispose or direct the disposition: 0

(c)

The transactions in the Shares by Starboard Value LP through the Starboard Value LP Account and on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard P LP, Starboard L Master, Starboard Yankee LLC and Starboard X Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Starboard Value GP

(a)

Starboard Value GP, as the general partner of Starboard Value LP, may be deemed the beneficial owner of the (i) 3,059,533 Shares owned by Starboard V&O Fund, (ii) 538,460 Shares owned by Starboard S LLC, (iii) 325,828 Shares owned by Starboard C LP, (iv) 233,441 Shares owned by Starboard L Master, (v) 587,065 Shares owned by Starboard P LP, (vi) 325,236 Shares owned by Starboard Yankee LLC, (vii) 796,594 Shares owned by Starboard X Master and (viii) 894,843 Shares held in the Starboard Value LP Account.

Percentage: Approximately 4.9%

(b)

(c)

Starboard Value GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Value LP through the Starboard Value LP Account and on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard P LP, Starboard L Master, Starboard Yankee LLC and Starboard X Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

CUSIP No. 00766T100

Principal Co

(a)

Principal Co, as a member of Starboard Value GP, may be deemed the beneficial owner of the (i) 3,059,533 Shares owned by Starboard V&O Fund, (ii) 538,460 Shares owned by Starboard S LLC, (iii) 325,828 Shares owned by Starboard C LP, (iv) 233,441 Shares owned by Starboard L Master, (v) 587,065 Shares owned by Starboard P LP, (vi) 325,236 Shares owned by Starboard Yankee LLC, (vii) 796,594 Shares owned by Starboard X Master and (viii) 894,843 Shares held in the Starboard Value LP Account.

Percentage: Approximately 4.9%

(b)

(c)

Principal Co has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Value LP through the Starboard Value LP Account and on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard P LP, Starboard L Master, Starboard Yankee LLC and Starboard X Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

Principal GP

(a)

Principal GP, as the general partner of Principal Co, may be deemed the beneficial owner of the (i) 3,059,533 Shares owned by Starboard V&O Fund, (ii) 538,460 Shares owned by Starboard S LLC, (iii) 325,828 Shares owned by Starboard C LP, (iv) 233,441 Shares owned by Starboard L Master, (v) 587,065 Shares owned by Starboard P LP, (vi) 325,236 Shares owned by Starboard Yankee LLC, (vii) 796,594 Shares owned by Starboard X Master and (viii) 894,843 Shares held in the Starboard Value LP Account.

Percentage: Approximately 4.9%

(b)

(c)

Messrs. Smith and Feld

(a)

Each of Messrs. Smith and Feld, as a member of Principal GP and as a member of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP, may be deemed the beneficial owner of the (i) 3,059,533 Shares owned by Starboard V&O Fund, (ii) 538,460 Shares owned by Starboard S LLC, (iii) 325,828 Shares owned by Starboard C LP, (iv) 233,441 Shares owned by Starboard L Master, (v) 587,065 Shares owned by Starboard P LP, (vi) 325,236 Shares owned by Starboard Yankee LLC, (vii) 796,594 Shares owned by Starboard X Master and (viii) 894,843 Shares held in the Starboard Value LP Account.

CUSIP No. 00766T100

Percentage: Approximately 4.9%

(b)

1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 6,761,000
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 6,761,000

(c)

None of Messrs. Smith or Feld has entered into any transactions in the Shares during the past sixty days. The transactions in the Shares by Starboard Value LP through the Starboard Value LP Account and on behalf of each of Starboard V&O Fund, Starboard S LLC, Starboard C LP, Starboard P LP, Starboard L Master, Starboard Yankee LLC and Starboard X Master during the past sixty days are set forth in Schedule B and are incorporated herein by reference.

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer that he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he or it does not directly own.

(d)

No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Shares.

(e)

As of January 25, 2023, the Reporting Persons ceased to beneficially own more than 5% of the outstanding Shares of the Issuer.

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.

Item 6 is hereby amended to add the following:

Each of Starboard V&O Fund and Starboard X Master entered into forward purchase contracts with Morgan Stanley as the counterparty providing for the purchase of an aggregate of 50,537 Shares and 11,147 Shares, respectively, having an aggregate purchase price of approximately $3,308,208 and $729,695, respectively (each a “MS Forward Contract”). Each of the MS Forward Contracts has a final valuation date of November 10, 2023, however, each of Starboard V&O Fund and Starboard X Master has the ability to elect early settlement after serving notice to the counter-party of such intention at least two scheduled trading days in advance of the desired early final valuation date. Each of the MS Forward Contracts provides for physical settlement. Until the settlement date, none of the MS Forward Contracts give the Reporting Persons voting and dispositive control over the Shares to which such contracts relate.

CUSIP No. 00766T100

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: January 27, 2023

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

By: Starboard Value LP,

its investment manager

Starboard Value and Opportunity S LLC

By: Starboard Value LP,

its manager

Starboard Value and Opportunity C LP

By: Starboard Value R LP,

its general partner

STARBOARD VALUE AND OPPORTUNITY MASTER FUND L LP

By: Starboard Value L LP,

its general partner

Starboard Value L LP

By: Starboard Value R GP LLC,

its general partner

STARBOARD VALUE R LP

By: Starboard Value R GP LLC,

its general partner

STARBOARD P FUND LP

By: Starboard Value P GP LLC,

its general partner

STARBOARD VALUE P GP LLC

By: Starboard Value R LP,

its member

STARBOARD LEADERS YANKEE LLC

By: Starboard Value A LP,

its managing member

Starboard Leaders Fund LP

By: Starboard Value A LP,

its general partner

Starboard Leaders Select X LP

By: Starboard Leaders Select X GP LLC,

its general partner

STARBOARD VALUE A LP

By: Starboard Value A GP LLC,

its general partner

STARBOARD VALUE X MASTER FUND LTD

By: Starboard Value LP,

its investment manager

STARBOARD VALUE LP

By: Starboard Value GP LLC,

its general partner

STARBOARD VALUE GP LLC

By: Starboard Principal Co LP,

its member

STARBOARD PRINCIPAL CO LP

By: Starboard Principal Co GP LLC,

its general partner

STARBOARD PRINCIPAL CO GP LLC

Starboard Value A GP LLC

Starboard Value R GP LLC

Starboard Leaders Select X GP LLC

By:	/s/ Jeffrey C. Smith
	Name:	Jeffrey C. Smith
	Title:	Authorized Signatory

/s/ Jeffrey C. Smith

Jeffrey C. Smith

Individually and as attorney-in-fact for Peter A. Feld

CUSIP No. 00766T100

SCHEDULE A

Directors and Officers of Starboard Value and Opportunity Master Fund Ltd

and Starboard Value X Master Fund Ltd

Name and Position	Principal Occupation	Principal Business Address	Citizenship

Patrick Agemian Director	Director of Global Funds Management, Ltd.	PO Box 10034, Harbour Place 2nd Floor 103 South Church Street Grand Cayman Cayman Islands, KY1-1001	Canada

Kenneth R. Marlin Director	Chief Financial Officer, Starboard Value LP	777 Third Avenue, 18th Floor New York, New York 10017	United States of America

Alaina Danley Director	Managing Director of Waystone Governance Ltd.	Waystone Governance Ltd. Suite 5B201, 2nd Floor One Nexus Way P.O. Box 2587 Grand Cayman Cayman Islands, KY1-1103	Cayman Islands

CUSIP No. 00766T100

SCHEDULE B

Transactions in the Shares During the Past Sixty Days

Nature of the Transaction

Amount of Securities

(Sold)

Price ($)

Date of

Sale

STARBOARD VALUE AND OPPORTUNITY MASTER FUND LTD

Sale of Common Stock	(22,626)	86.1540	01/18/2023
Sale of Common Stock	(362)	87.4000	01/25/2023
Sale of Common Stock	(3,394)	86.8950	01/25/2023
Sale of Common Stock	(7,557)	87.1666	01/25/2023
Sale of Common Stock	(45,253)	86.7500	01/25/2023
Sale of Common Stock	(45,253)	86.7250	01/26/2023

STARBOARD P FUND LP

Sale of Common Stock	(4,342)	86.1540	01/18/2023
Sale of Common Stock	(69)	87.4000	01/25/2023
Sale of Common Stock	(651)	86.8950	01/25/2023
Sale of Common Stock	(1,450)	87.1666	01/25/2023
Sale of Common Stock	(8,683)	86.7500	01/25/2023
Sale of Common Stock	(8,683)	86.7250	01/26/2023

STARBOARD VALUE AND OPPORTUNITY C LP

Sale of Common Stock	(2,410)	86.1540	01/18/2023
Sale of Common Stock	(39)	87.4000	01/25/2023
Sale of Common Stock	(361)	86.8950	01/25/2023
Sale of Common Stock	(805)	87.1666	01/25/2023
Sale of Common Stock	(4,819)	86.7500	01/25/2023
Sale of Common Stock	(4,819)	86.7250	01/26/2023

STARBOARD VALUE AND OPPORTUNITY S LLC

Sale of Common Stock	(3,982)	86.1540	01/18/2023
Sale of Common Stock	(64)	87.4000	01/25/2023
Sale of Common Stock	(597)	86.8950	01/25/2023
Sale of Common Stock	(1,330)	87.1666	01/25/2023
Sale of Common Stock	(7,964)	86.7500	01/25/2023
Sale of Common Stock	(7,964)	86.7250	01/26/2023

STARBOARD VALUE AND OPPORTUNITY MASTER FUND L LP

Sale of Common Stock	(1,726)	86.1540	01/18/2023
Sale of Common Stock	(28)	87.4000	01/25/2023
Sale of Common Stock	(259)	86.8950	01/25/2023
Sale of Common Stock	(577)	87.1666	01/25/2023
Sale of Common Stock	(3,453)	86.7500	01/25/2023
Sale of Common Stock	(3,453)	86.7250	01/26/2023

CUSIP No. 00766T100

STARBOARD LEADERS YANKEE LLC

Sale of Common Stock	(2,405)	86.1540	01/18/2023
Sale of Common Stock	(38)	87.4000	01/25/2023
Sale of Common Stock	(361)	86.8950	01/25/2023
Sale of Common Stock	(803)	87.1666	01/25/2023
Sale of Common Stock	(4,811)	86.7500	01/25/2023
Sale of Common Stock	(4,811)	86.7250	01/26/2023

STARBOARD X MASTER FUND LTD

Sale of Common Stock	(5,891)	86.1540	01/18/2023
Sale of Common Stock	(94)	87.4000	01/25/2023
Sale of Common Stock	(884)	86.8950	01/25/2023
Sale of Common Stock	(1,968)	87.1666	01/25/2023
Sale of Common Stock	(11,782)	86.7500	01/25/2023
Sale of Common Stock	(11,782)	86.7250	01/26/2023

STARBOARD VALUE LP

(Through the Starboard Value LP Account)

Sale of Common Stock	(6,618)	86.1540	01/18/2023
Sale of Common Stock	(106)	87.4000	01/25/2023
Sale of Common Stock	(993)	86.8950	01/25/2023
Sale of Common Stock	(2,210)	87.1666	01/25/2023
Sale of Common Stock	(13,235)	86.7500	01/25/2023
Sale of Common Stock	(13,235)	86.7250	01/26/2023

SEC Form SC 13D/A filed by AECOM (Amendment)