American Securities Form 4 Change in insider ownership

Exhibit 99.1

Joint Filer Information
Name of Joint Filer:	American Securities Partners V, 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:	Advanced Drainage Systems, Inc. [WMS]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	2/15/2017
Designated Filer:	ASP ADS Investco, LLC
Name of Joint Filer:	American Securities Partners V(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:	Advanced Drainage Systems, Inc. [WMS]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	2/15/2017
Designated Filer:	ASP ADS Investco, LLC
Name of Joint Filer:	American Securities Partners V(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:	Advanced Drainage Systems, Inc. [WMS]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	2/15/2017
Designated Filer:	ASP ADS Investco, LLC

Name of Joint Filer:	American Securities Associates V, 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:	Advanced Drainage Systems, Inc. [WMS]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	2/15/2017
Designated Filer:	ASP ADS Investco, LLC
Name of Joint Filer:	American Securities LLC
Address of Joint Filer:	299 Park Ave, 34th Floor
	New York, NY  10171
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	Advanced Drainage Systems, Inc. [WMS]
Date of Earliest Transaction
Required to be Reported
(Month/Day/Year):	2/15/2017
Designated Filer:	ASP ADS Investco, LLC