BOSTON, MA - November 29, 2006 - Linedata Services, a leading provider of software and services to the global financial services marketplace, is pleased to announce that Parnassus Investments has selected LongView Trading ASP, Linedata's hosted trading and order management system to support their unique, socially responsible investment style. LongView Trading's breadth of functionality and ease of implementation has enabled firms of different sizes and investment styles to quickly adopt the product.

Marc Mahon, Controller, of Parnassus Investments explains, "What makes us unique in the marketplace is our approach to investing in companies that are socially responsible, and having the right systems in place to help us manage our process is critical. Linedata's LongView Trading, with its advanced pre-trade compliance module and turn-key ASP delivery and support package, is the perfect solution for a firm like ours."

"LongView Trading's ability to support the investment style of Parnassus Investments is a strong testament to the large feature set of our system," commented Eric Bernstein, senior vice president and head of North American sales. "By combining the standard functionalities of LongView with an ASP delivery option, we have provided a unique and innovative solution to the market, and one in which many firms are now migrating to."

Parnassus is an existing Linedata client, having installed the MFACT Fund Accounting System in 2003.

Notes to Editors

About Parnassus Investments

Founded in 1984, Parnassus Investments is an investment management firm that looks to invest in undervalued companies with good long-term growth prospects. Based in San Francisco, Parnassus manages $1.2 billion as of October 31, 2006.

About Linedata Services

Linedata Services is a leader in the financial technology market, delivering global software solutions for asset management, savings & insurance and leasing & credit finance. Linedata Services' asset management offering is a complete set of best-of-breed software products, spanning front to back-office. Our solutions address the specific requirements of mutual and institutional funds, alternative and hedge funds, fund administrators, prime brokers and private wealth companies.

As well as traditional deployment options, all of Linedata's products are also available through an ASP (Application Service Provider) model, providing hosted hardware and software management. Linedata has 20 years' experience delivering ASP solutions.

Headquartered in France and listed on the Paris stock exchange, Linedata Services achieved revenues of EUR 119.8 million in 2005, has offices worldwide and services more than 1,000 clients across 50 countries. For more information visit Linedata Services at www.ldsam.com.