Diamondbacks' Home is Now Chase Field.

PHOENIX -- JPMorgan Chase & Co. (NYSE:JPM).

--10,000 Chase employees and families to celebrate at tonight's game

--100 new signs to be installed by March 2006

--2.5 million tickets, 5,000 staff uniforms to carry Chase Field name

Answering a question on the mind of Arizonans for more than 20 months, the Arizona Diamondbacks and Bank One today announced that the home of the Arizona Diamondbacks will be renamed Chase Field.

The change is a result of the merger between JPMorgan Chase & Co. (NYSE:JPM) and Bank One, which was announced Jan. 14, 2004.

"The number one question from our customers and even our employees has been 'What about BOB?'" said Ben Campbell, Arizona president of Bank One, which becomes Chase in December. "I'm excited to finally provide an answer."

"The new name is great," said Rich Dozer, president of the Arizona Diamondbacks. "Its simplicity helps us maintain the spirit of classic American baseball in one of the most advanced, convenient and fan-friendly baseball stadiums in the country."

Joe Gionta, head of the Chase Consumer Bank for the Southwest, said that keeping the secret has been hard: "A few of us have been referring to BOB as Chase Field internally as we planned for the unveiling. Fortunately, it remained under wraps until today."

The Chase Field logo features the Diamondbacks' signature colors of purple, copper and teal and combines a traditional baseball look with the unique architectural features of the building. The new logo was designed by Bradley and Montgomery (www.bamads.com) with consultation from team and bank representatives.

The name of Chase Field ends the only mystery associated with the merger.

"Our customers will have the same account numbers and same team of dedicated bankers working in all the same branches," said Gionta. "And we continue to expand our ATM and branch network as Arizona's most convenient bank."

Chase Field will debut tonight, as the Diamondbacks face the San Diego Padres at 6:40 p.m. in the last home series of the season. Almost 10,000 Chase and Bank One employees and their families will attend tonight's game, which has been officially designated Chase Employee Night.

During the game, fans will be treated to giveaways and special features, including the first 15,000 in attendance receiving Diamondbacks rally towels, courtesy of Chase. Ed Butler from Gilbert, AZ, will remember the night for a long time, after the chance to win $50,000 by pitching a strike through the Chase octagon, an element of the new logo.

Changing all the signs to Chase Field will take months of planning and implementation. About 100 signs appear inside and outside the building, including the north-facing, three-dimensional sign that measures 30 by 150 feet. The finishing touches are expected just in time for Opening Day in March 2006, when more than 2.5 million tickets and the uniforms of all ballpark staff, including concession workers, will sport the new Chase Field name and logo.

In December, the 200 bank branches in Arizona will shift to the Chase name, and Arizona's tallest building will become Chase Tower. The bank continues to expand its convenience, growing by more than 20 branches a year in the state. By the end of this year, the bank also will have ATMs in more than 200 Walgreens stores around the state.

Chase is the consumer and commercial banking brand of JPMorgan Chase, a leading global financial services firm with assets of $1.2 trillion and operations in more than 50 countries. The firm is a leader in investment banking, financial services for consumers and businesses, financial transaction processing, asset and wealth management, and private equity. Under the JPMorgan, Chase and Bank One brands, the firm serves millions of consumers in the United States and many of the world's most prominent corporate, institutional and government clients. Information about the firm is available at www.jpmorganchase.com.

The Arizona Diamondbacks entered Major League Baseball on March 31, 1998, quickly securing their place in baseball history, with such feats as the fastest to the first Division crown (1999), fastest team to win 500 games (2003) and fastest expansion team to win the World Series (2001). In eight short seasons, nearly 15 million baseball fans have enjoyed watching the Diamondbacks play in Bank One Ballpark. From its signature swimming pool to its retractable roof, the home of the Diamondbacks has become one of the most recognizable stadiums in all of sports. For more information visit www.diamondbacks.com.