CHEP Expands Relationship with Manugistics Through Global Implementation of Supply Chain Management Solutions.

ATLANTA -- Manugistics Group, Inc. (NASDAQ:MANU), a leading global provider of synchronized supply chain and revenue management solutions, today announced that CHEP, the global leader in pallet and container pooling solutions, purchased an enterprise license to use Manugistics' solutions around the world. This recent agreement is an extension of the companies' four-year strategic partnership.

"With many Fortune 500 customers and millions of reusable pallets and containers, we need a dependable supply chain solution to assist in ensuring our pallets and containers are delivered to our customers on time and to the right location," said CHEP CIO Donna Slyster. "For the past four years, we have utilized Manugistics' tools in our supply chain planning process and are looking forward to expanding our partnership to other locations around the world."

CHEP partners with raw materials and ingredients suppliers, manufacturers, growers, transporters, distributors and retailers to move their products through their supply chains, improving efficiencies, reducing costs and meeting their customers' needs. Efficient and cost-effective supply chain solutions are critical to the success of CHEP's customers.

"We are pleased that CHEP has recognized the value of Manugistics' supply chain solutions," said Manugistics Senior Vice President of Consumer Goods Ron Kubera. "We look forward to furthering our strategic partnership to ensure that CHEP is successfully 'handling the world's most important products... everyday.'"

For nearly five years, CHEP has used Manugistics Demand Planning, Master Planning and Transportation Planning solutions. Recently, the company invested in Manugistics' Collaboration Suite to help build stronger relationships with their customers and better understand their pallet and container inventory levels.

About CHEP

CHEP is the global leader in pallet and plastic container pooling services serving many of the world's largest companies. With Americas headquarters based in Orlando, the company has more than 7,700 employees in 42 countries. Combining superior technology, over five decades of experience and an asset base of more than 265 million pallets and containers, CHEP handles pallet and container supply chain logistics for customers in the consumer goods, produce, meat, home improvement, beverage, raw materials and automotive industries. With global partners that include Procter & Gamble, SYSCO, Kellogg's, Kraft, Nestle, Rich Products Corporation, Ford and GM, CHEP is known for Handling the World's Most Important Products. Everyday.

About Manugistics Group, Inc.

Manugistics powers the synchronized supply chain. Clients depend on Manugistics to position them one step ahead of demand. With Manugistics' unparalleled supply chain and revenue management solutions, clients achieve improved forecast and inventory accuracy, leverage industry leading pricing and yield management solutions to maximize profits while ensuring constant supply for constantly changing demand. Its clients include industry leaders such as AT&T, BMW, Boeing, Caesars Entertainment, Canadian Tire, Cingular, Circuit City, Coca-Cola Bottling, Coty International, Delta Air Lines, DHL, Diageo, Dixons, DuPont, Eurostar Ltd., Georgia-Pacific, Great North Eastern Railway (GNER), Harley-Davidson, Harrah's Entertainment, H.J. Heinz, John Deere, LL Bean, Limited Brands, Kraft Foods, Marriott, McCormick, Nestle, Nissan, RadioShack, The Scotts Company, Sears, Sinotrans, Unilever and Wickes Building Supplies. For more information, go to www.manugistics.com.

FORWARD LOOKING STATEMENT

This announcement contains forward-looking statements that involve risks and uncertainties that include, continuing weak demand for enterprise application software, the ability of the Company to effectively align its cost structure with revenues, and unintended adverse effects of the Company's recent restructuring and cost containment initiatives and recent organizational changes. More information about factors that potentially could affect Manugistics' financial results is included in Manugistics filings with the Securities and Exchange Commission, including its Annual report on Form 10-K for the year ended February 29, 2004 and Quarterly Report on Form 10-Q for the period ended November 30, 2004, and Report on Form 8-K filed April 12, 2005. Manugistics assumes no obligation to update the forward-looking information contained on this announcement.