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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/[ ]/2017
Designated Filer: ASP MD Investco LP
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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
Name of Joint Filer: American Securities 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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
Name of Joint Filer: Kevin 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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
Name of Joint Filer: Loren 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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
Name of Joint Filer: Michael G. Fisch
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: Metaldyne Performance Group Inc.
[MPG]
Date of Event Requiring Statement:
(Month/Day/Year): 4/6/2017
Designated Filer: ASP MD Investco LP
