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NEW YORK–(BUSINESS WIRE)–Rosen Law Firm, a global investor rights law firm, announces it is investigating potential securities claims on behalf of shareholders of Advanced Drainage Systems Inc. (NYSE: WMS) who purchased shares on or before August 17, 2015 and held through March 29, 2016, resulting from allegations that Advanced Drainage System may have issued materially misleading business information to the investing public.

On July 15, 2015, the Company announced that it would have to delay the filing of its Form 10-K for the fiscal year ended March 31, 2015. The Company then revealed several accounting indiscretions, including inappropriate entries and adjustments to its financials. In July 2018, The SEC filed a cease and desist order against and found that CFO Mark Sturgeon “willfully” caused the Company to manipulate its financial results.

Rosen Law Firm is preparing a class action lawsuit to recover losses suffered by Advanced Drainage System. If you purchased shares of Advanced Drainage System on or before August 17, 2015 and held through March 29, 2016 please visit the firm’s website at to join the class action. You may also contact Phillip Kim of Rosen Law Firm toll free at 866-767-3653 or via email at [email protected] or [email protected].

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Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. The firm has been ranked in the top 3 each year since 2013. Rosen Law Firm has secured hundreds of millions of dollars for investors.

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Laurence Rosen, Esq.

Phillip Kim, Esq.

The Rosen Law Firm, P.A.

275 Madison Avenue, 34th Floor

New York, NY 10016

Tel: (212) 686-1060

Toll Free: (866) 767-3653

Fax: (212) 202-3827

[email protected]

[email protected]

[email protected]