AMERICAN AXLE & MANUFACTURING HOLDINGS INC

Major Shareholding Notification • Oct 21, 2025

National Storage Mechanism | Additional information

Form 8.3 - American Axle & Manufacturing Holdings, Inc.

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the “Code”)

1.KEY INFORMATION

(a)Full name of discloser:		Millennium International Management LP
(b)Owner or controller of interests and short positions disclosed, if different from 1(a): The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.
(c)Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree		American Axle & Manufacturing Holdings, Inc.
(d)If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree:
(e)Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure		20th October 2025
(f)In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state “N/A”		Yes, Dowlais Group plc

2.POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(a)Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)

Class of relevant security:		USD 0.01 common (US0240611030)
		Interests				Short positions
	Number		%		Number		%
(1)Relevant securities owned and/or controlled:		1,428,163		1.204%		93,263		0.079%
(2)Cash-settled derivatives:		-		-		4,072,427		3.432%
(3)Stock-settled derivatives (including options) and agreements to purchase/sell:		-		-		-		-
TOTAL:		1,428,163		1.204%		4,165,690		3.510%

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b)Rights to subscribe for new securities (including directors’ and other employee options)

Class of relevant security in relation to which subscription right exists:
Details, including nature of the rights concerned and relevant percentages:

3.DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a)Purchases and sales

Class of relevant security	Purchase/sale	Number of securities	Price per unit (USD)
US0240611030	Purchase	20	5.70
US0240611030	Sale	5,470	5.70
US0240611030	Sale	200	5.71
US0240611030	Sale	4,908	5.68
US0240611030	Sale	443	5.64
US0240611030	Purchase	541	5.69
US0240611030	Sale	4,651	5.69
US0240611030	Purchase	594	5.67
US0240611030	Sale	5,935	5.67
US0240611030	Sale	13,176	5.66
US0240611030	Purchase	1	5.65
US0240611030	Sale	9,746	5.65
US0240611030	Sale	1,000	5.61
US0240611030	Sale	1,000	5.62
US0240611030	Purchase	774	5.70
US0240611030	Purchase	2,666	5.71
US0240611030	Purchase	5,230	5.68
US0240611030	Purchase	200	5.58
US0240611030	Purchase	200	5.64
US0240611030	Purchase	4,797	5.69
US0240611030	Purchase	5,794	5.67
US0240611030	Sale	3,326	5.67
US0240611030	Purchase	1,556	5.66
US0240611030	Purchase	300	5.65
US0240611030	Purchase	100	5.62
US0240611030	Purchase	300	5.59
US0240611030	Purchase	100	5.63
US0240611030	Purchase	200	5.72
US0240611030	Sale	4,068	5.70
US0240611030	Sale	557	5.71
US0240611030	Purchase	563	5.68
US0240611030	Sale	48,352	5.68
US0240611030	Purchase	791	5.69
US0240611030	Sale	68,040	5.69
US0240611030	Purchase	710	5.67
US0240611030	Sale	19,351	5.67
US0240611030	Purchase	316	5.66
US0240611030	Sale	28,503	5.66
US0240611030	Purchase	344	5.65
US0240611030	Sale	3,947	5.65
US0240611030	Purchase	1,557	5.62
US0240611030	Purchase	743	5.63
US0240611030	Purchase	100	5.73
US0240611030	Purchase	235	5.74
US0240611030	Purchase	465	5.72
US0240611030	Sale	2,913	5.72
US0240611030	Purchase	566	5.60
US0240611030	Purchase	20	5.75
US0240611030	Sale	1	5.57
US0240611030	Purchase	714	5.70
US0240611030	Sale	48	5.70
US0240611030	Purchase	512	5.71
US0240611030	Sale	319	5.71
US0240611030	Purchase	4,737	5.68
US0240611030	Sale	3,130	5.68
US0240611030	Sale	100	5.58
US0240611030	Purchase	85	5.64
US0240611030	Purchase	1,993	5.69
US0240611030	Purchase	2,577	5.67
US0240611030	Sale	5,270	5.67
US0240611030	Purchase	1,886	5.66
US0240611030	Sale	1,413	5.66
US0240611030	Purchase	56	5.65
US0240611030	Sale	20	5.65
US0240611030	Purchase	84	5.63
US0240611030	Purchase	200	5.72
US0240611030	Sale	21	5.70
US0240611030	Purchase	200	5.71
US0240611030	Sale	2,010	5.71
US0240611030	Purchase	14	5.68
US0240611030	Sale	7,966	5.68
US0240611030	Purchase	72	5.64
US0240611030	Purchase	68	5.69
US0240611030	Sale	1,494	5.69
US0240611030	Purchase	6,910	5.67
US0240611030	Sale	6,893	5.67
US0240611030	Purchase	304	5.66
US0240611030	Sale	1,317	5.66
US0240611030	Purchase	3,636	5.65
US0240611030	Sale	961	5.65
US0240611030	Purchase	100	5.59
US0240611030	Purchase	43	5.73
US0240611030	Purchase	100	5.74
US0240611030	Purchase	215	5.60
US0240611030	Purchase	45	5.69
US0240611030	Sale	234	5.66

(b)Cash-settled derivative transactions

Class of relevant security		Product description e.g. CFD		Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position		Number of reference securities		Price per unit
US0240611030		Equity Swap		Increasing a Short Position		42,500		4.21 GBP
US0240611030		Equity Swap		Increasing a Short Position		21,250		4.24 GBP

(c)Stock-settled derivative transactions (including options)

(i)Writing, selling, purchasing or varying

Class of relevant security		Product description e.g. call option		Writing, purchasing, selling, varying etc.		Number of securities to which option relates		Exercise price per unit		Type e.g. American, European etc.		Expiry date		Option money paid/ received per unit

(ii)Exercise

Class of relevant security		Product description e.g. call option		Exercising/ exercised against		Number of securities		Exercise price per unit

(d)Other dealings (including subscribing for new securities)

Class of relevant security		Nature of dealing e.g. subscription, conversion		Details		Price per unit (if applicable)

4.OTHER INFORMATION

(a)Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”
NONE

(b)Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i)the voting rights of any relevant securities under any option; or (ii)the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state “none”
NONE

(c)Attachments

Is a Supplemental Form 8 (Open Positions) attached?		NO

Date of disclosure:		21st October 2025
Contact name:		Stephen Glasper
Telephone number:		+44 203 398 2166

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service and must also be emailed to the Takeover Panel at [email protected]. The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.

View source version on businesswire.com: https://www.businesswire.com/news/home/20251021530544/en/

Millennium Partners, L.P.