Exhibit 99.1

Joint Filer Information

Name of Joint Filer:	American Securities Partners VI, L.P.
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC
Name of Joint Filer:	American Securities Partners VI (B), L.P.
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC
Name of Joint Filer:	American Securities Partners VI (C), L.P.
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC

1

Name of Joint Filer:	American Securities Partners VI (D), L.P.
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC
Name of Joint Filer:	American Securities Associates VI, LLC
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC
Name of Joint Filer:	ASP MD Investco LP
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC

2

Name of Joint Filer:	Kevin S. Penn
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	Director
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC
Name of Joint Filer:	Loren S. Easton
Address of Joint Filer:	c/o American Securities LLC
	299 Park Ave, 34th Floor
	New York, NY 10171
Relationship of Joint Filer to Issuer:	Director
Issuer Name and Ticker or Trading Symbol:	American Axle & Manufacturing Holdings, Inc. [AXL]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	5/4/2017
Designated Filer:	American Securities LLC

3