NEWPORT BEACH, Calif. – January 26, 2006 – The TriZetto Group, Inc. (Nasdaq: TZIX) today announced that its revolving credit facility with Wells Fargo Foothill was expanded from $50 million to $100 million. The term of the facility has also been extended to January 2010.

"This expansion reflects the growth of TriZetto's results in 2005 and further enhances our financial strength and flexibility for the future," said Jim Malone, TriZetto's Chief Financial Officer.

"We look forward to our continued relationship with TriZetto through this expanded credit facility," said Kevin Coyle, Executive Vice President and National Credit Manager for Wells Fargo Foothill Business Finance. "We are pleased to have been able to provide TriZetto with the flexibility and capacity to support the company's goals and initiatives as they evolve over time."

About Wells Fargo Foothill

Wells Fargo Foothill, part of Wells Fargo Wholesale Banking, is a leading provider of senior secured financing to middle-market companies across the United States and Canada. Wells Fargo & Company (NYSE: WFC) is a diversified financial services company with $482 billion in assets. The Wholesale Banking division provides middle market banking, corporate banking, commercial real estate, treasury management, asset-based lending, insurance brokerage, foreign exchange, trade services, specialized lending, equipment finance, capital markets activities, and asset management. Its Commercial Electronic Office (CEO) ® Internet portal processes more than one million customer account log-ins a month. Wells Fargo is #1 in market share for middle market commercial customers in the western United States. Wholesale Banking accounts for about a quarter of the total earnings of Wells Fargo & Company. Wells Fargo Bank, N.A. is the only "Aaa" credit-rated bank in the United States. For more information, visit Wells Fargo Foothill on the Internet at www.wffoothill.com.

About TriZetto

Touching nearly 40% of the U.S. insured population, TriZetto is distinctly focused on accelerating the ability of healthcare payers to lead the industry's transformation. The company provides premier information technology solutions that enhance its customers' revenue growth, drive their administrative efficiency and improve the cost and quality of care for their members. Healthcare payers include national and regional health insurance plans, and benefits administrators that provide transaction services to self-insured employer groups. The company's broad array of payer-focused information technology offerings include enterprise and component software, hosting and business process outsourcing services, and consulting. Headquartered in Newport Beach, Calif., TriZetto can be reached at 949-719-2200 or at www.trizetto.com.

Important Notice Regarding Forward-Looking Statements

This press release contains forward-looking statements that involve risks and uncertainties. The forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include statements about future revenue, profits, cash flows and financial results, the market for TriZetto's services, future service offerings, industry trends, client and partner relationships, TriZetto's operational capabilities, future financial structure, uses of cash or proposed transactions. Actual results may differ materially from those stated in any forward-looking statements based on a number of factors, including the effectiveness of TriZetto's implementation of its business plan, the market's acceptance of TriZetto's new and existing products and services, the timing of new bookings, risks associated with management of growth, reliance on third parties to supply key components of TriZetto's services, attraction and retention of employees, variability of quarterly operating results, competitive factors, risks associated with acquisitions, changes in demand for third party products or solutions which form the basis of TriZetto's service and product offerings, financial stability of our customers, the ability of TriZetto to meet its contractual obligations to customers, including service level and disaster recovery commitments, changes in government laws and regulations and risks associated with rapidly changing technology, as well as the other risks identified in TriZetto's SEC filings, including, but not limited to, its annual report on Form 10-K and quarterly reports on Form 10-Q, copies of which may be obtained by contacting TriZetto's Investor Relations department at 949-719-2225 or at TriZetto's web site at www.trizetto.com. All information in this release is as of January 26, 2006. TriZetto undertakes no duty to update any forward-looking statement to conform the statement to actual results or changes in the company's expectations.

CONTACTS:

Investors:
Brad Samson
949-719-2220
brad.samson@trizetto.com

Media:
Audrey McDill
303-495-7197
audrey.mcdill@trizetto.com