To: All persons or entities who purchased or otherwise acquired securities of Gridsum Holding Inc. (“Gridsum”) (NASDAQ: GSUM). You are hereby notified that a securities class action lawsuit has been commenced in the United States District Court for the Southern District of New York. To get more information on the Gridsum class action lawsuit (GSUM class action lawsuit) go to: http://www.zlk.com/pslra-d/gridsum-holding-inc or contact Joseph E. Levi, Esq. either via email at jlevi@levikorsinsky.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972. There is no cost or obligation to you.

The complaint alleges that throughout the class period Defendants issued materially false and/or misleading statements and/or failed to disclose that: (i) Gridsum lacked effective internal control over financial reporting; (ii) consequently, Gridsum’s financial statements were inaccurate and misleading, and did not fairly present, in all material respects, the financial condition and results of operations of the Company; and (iii) as a result of the foregoing, Gridsum’s public statements were materially false and misleading at all relevant times.

If you suffered a loss in Gridsum you have until June 25, 2018 to request that the Court appoint you as lead plaintiff. Your ability to share in any recovery doesn’t require that you serve as a lead plaintiff.

For more information on the Gridsum lawsuit (GSUM lawsuit), contact Levi & Korsinsky. Levi & Korsinsky is a national firm with offices in New York, California, Connecticut, and Washington D.C. The firm’s attorneys have extensive expertise and experience representing investors in securities litigation, and have recovered hundreds of millions of dollars for aggrieved shareholders. Attorney advertising. Prior results do not guarantee similar outcomes.