Gridsum Renews and Expands Client Relationship with Olay

BEIJING,July 16,2018 -- Gridsum Holding Inc. ("Gridsum" or the "Company") (NASDAQ: GSUM),a leading provider of cloud-based big-data analytics and artificial intelligence ("AI") solutions in China,today announced it has renewed and expanded its relationship with Olay,the world's number one female facial skincare brand,as a marketing automation client.

Olay will leverage incremental solutions within Gridsum's Marketing Automation suite to enhance brand awareness and optimize its advertisement placements. Gridsum's Marketing Automation suite leverages cloud-based big-data analytics and AI capabilities to analyze Olay's data generated from Baidu and JD.com's e-commerce platforms to identify potential consumers for Olay to expand their customer base,to create highly-targeted marketing content and to increase conversion rates.

Mr. Guosheng Qi,Chief Executive Officer of Gridsum,commented,"We are very excited to be working with Olay. This is also notably the first time that Olay has worked with a China-based,rather than a global,solutions provider for the China market in the new solutions areas covered by our expanded remit. This further validates our global best-of-breed technology platform. Over the past few years,we have strengthened our ability to provide our clients with highly-targeted multi-channel marketing automation solutions to further increase their conversion rates. Gridsum's Marketing Automation suite is able to rapidly match Baidu's Dynamic Products Ads with JD.com's client SKU records to adjust a client's marketing strategy based on search patterns. We are committed to helping more companies explore new marketing opportunities and improve their user experience by innovating new products that optimize customers business on a data-driven basis and increase marketing and sales efficiency."

About Olay

Olay is a worldwide leader in skin care and has been trusted by women for over 60 years. Olay continues to hold to the philosophy it was founded on: to maintain a deep understanding of women's changing needs and to combine products that fit their needs with the latest advances in skin care technology. The end result -- superior product performance women have come to expect from Olay. It brings healthy,beautiful skin to more than 80 million women on five continents.

AboutGridsum

Gridsum Holding Inc. (NASDAQ: GSUM)is a leading provider of cloud-based big-data analytics and AI solutions for multinational and domestic enterprises and government agencies inChina.Gridsum'score technology,the Gridsum Big Data Platform,is built on a distributed computing framework and performs real-time multi-dimensional correlation analysis of both structured and unstructured data. This enablesGridsum's customers to identify complex relationships within their data and gain new insights that help them make better business decisions. The Company is named "Gridsum" to symbolize the combination of distributed computing (Grid) and analytics (sum). As a digital intelligence pioneer,the Company's mission is to help enterprises and government organizations inChinause data in new and powerful ways to make better informed decisions and be more productive.

Safe Harbor Statement

This announcement contains forward-looking statements. These forward-looking statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements can be identified by terminology such as "may," "will," "expects," and similar statements. Among other things,quotations from management in this announcement as well as Gridsum's strategic and operational plans contain forward-looking statements. Forward-looking statements involve inherent risks and uncertainties. Many factors could cause actual results to differ materially from those contained in any forward-looking statement,including but not limited to the following: unexpected difficulties in Gridsum's pursuit of its goals and strategies; the unexpected developments,including slow growth,in the digital intelligence market; unexpected difficulties and potential delays in filing annual or other reports with the SEC; PRC governmental policies relating to media,software,big data,the internet,internet content providers and online advertising; and general economic and business conditions in the regions where Gridsum provides solutions and services. All information provided in this press release is as of the date of this press release,and Gridsum undertakes no duty to update such information except as required under applicable law.

For more information,please visithttp://www.gridsum.com/.

Investor Relations

Gridsum

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Christensen

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Mr.Christian Arnell

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