Commercial Capital Bank Selects Open Solutions' e-Commerce Banker Suite.

GLASTONBURY, Conn. -- Open Solutions Inc. (NASDAQ: OPEN), a provider of integrated enabling technologies for community financial institutions, announced that Commercial Capital Bank (CCB), a subsidiary of Commercial Capital Bancorp, Inc. (NASDAQ: CCBI) of Irvine, California, has selected Open Solutions' e-Commerce Banker(TM) Suite (e-CB) to provide cash management and Internet banking capabilities to its client base of income property real estate investors, middle market businesses, high net worth individuals, professionals and retail depositors. Commercial Capital Bancorp, Inc. reports that it has $5 billion in assets.

"The addition of Open Solutions' e-Commerce Banker will enable us to offer our clients Internet banking and cash management products and services with superior functionality and reliability; qualities that are absolutely critical to success in an increasingly competitive marketplace," said Tim Redman, CIO of Commercial Capital Bank.

Mike Nicastro, Open Solutions' Senior Vice President of Marketing and Product Management, said, "Commercial Capital Bank's position as one of the fastest growing savings institutions in California makes CCB an impressive addition to our growing number of West Coast-based Internet banking and cash management clients. The e-CB suite is designed to enable a financial institution like CCB to continue providing superior customer service and additional value to its growing customer base. Commercial Capital Bank's strong focus on business banking and treasury management services positions them to fully leverage e-CB's robust business functionality."

Open Solutions' e-Commerce Banker is a flexible suite of online financial management tools designed to maximize how business and retail customers manage their finances. Each module in the e-CB suite can be offered to customers as a stand-alone service or in combination with other services. e-CB can be used in an in-house or data center environment.

"Internet banking and cash management are mission-critical applications that allow institutions like Commercial Capital Bank to increase client retention and attract new business," said Louis Hernandez Jr., Chairman and CEO of Open Solutions. "e-CB's highly customized financial products and online banking services should further allow Commercial Capital Bank to better serve its existing customer base. CCB is a highly respected institution, a valued Open Solutions partner and we are proud to have been selected to provide this additional service to Commercial Capital Bank."

About Commercial Capital Bancorp, Inc.

At September 30, 2004, Commercial Capital Bancorp, Inc. had total assets of $5.0 billion, and total deposits of $2.3 billion. Commercial Capital Bank operates 21 banking offices and 11 lending offices, with plans to open banking offices in San Mateo, California in early 2005, and Newport Coast, California in mid-2005. The Company was the 3rd largest multi-family lender in California during the 12 months ended June 30, 2004 (source: Dataquick Information Systems) and the Bank was the fastest growing savings institution in California, based on percentage growth in total assets over the 36 months ended June 30, 2004 (source: www.fdic.gov). Visit Commercial Capital Bank's Internet site at www.commercialcapital.com.

About Open Solutions Inc.

Open Solutions Inc. offers a fully featured strategic product platform that integrates core data processing applications, built on a single centralized Oracle(R) relational database, with Internet banking, cash management, CRM/business intelligence, financial accounting tools, Check 21, imaging, interactive voice response and loan origination solutions. Open Solutions' full suite of products and services is designed to allow banks, thrifts and credit unions to better compete in today's aggressive financial services marketplace, and expand and tap their trusted financial relationships, client affinity, community presence and personalized service.

For more information about Open Solutions, or its financial product line, contact Mickey Goldwasser by email at [e-mail], by phone at 860.652.3153 or via fax at 860.652.3156. Visit Open Solutions' Internet site at www.opensolutions.com.

Open Solutions Inc.(R) is a registered trademark of Open Solutions Inc. All other company and product names may be trademarks of their respective owners. Copyright (C) 2004 Open Solutions Inc. All rights reserved.

Safe Harbor Statement

Statements made in this press release that state Open Solutions Inc.'s or management's intentions, beliefs, expectations, or predictions for the future are forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Readers are cautioned that these statements are only predictions and may differ materially from actual future events or results. All forward looking-statements are only as of the date of this press release and Open Solutions Inc. undertakes no obligation to update or revise them. Such forward-looking statements are subject to a number of risks, assumptions and uncertainties that could cause Open Solutions Inc.'s actual results to differ materially from those projected in such forward-looking statements. Other factors which could cause our actual results to differ materially from those projected in forward-looking statements include, without limitation, economic, competitive, governmental and technological factors affecting the banking and credit union industry and/or Open Solutions Inc.'s operations, markets, products, services, prices, and other factors set forth under the heading "Factors Affecting Future Operating Results" in Open Solutions' Quarterly Report on Form 10-Q for the three months ended September 30, 2004, as filed with the Securities and Exchange Commission.