Avega's Alliance Suite Rated Highest for Business Decision Support in KLAS' Mid-Year Report.

EL SEGUNDO, Calif. -- Avega Health Systems, a subsidiary of MedAssets, Inc., today announced that its Alliance Decision Support software suite rated highest for the Business Decision Support market segment in the mid-year report conducted by independent research and consulting firm, KLAS Enterprises. In 2005, and for five of the past six years, healthcare executives rated the Alliance Suite as the top Business Decision Support system in its category in KLAS's year-end report, receiving the highest overall score based on 40 performance measures. The Alliance Suite outperformed products from McKesson, Eclipsys, and Siemens in achieving its position atop the mid-year report.

The Alliance Suite, composed of Alliance Decision Support, Alliance Financial Management, myAlliance web portal, and Key Indicators executive dashboard, is a comprehensive family of proprietary healthcare information software modules focused on Cost Accounting, Contract Management, Budgeting, Financial Planning, and Enterprise Reporting. With Alliance, Avega supports the decision making needs of healthcare professionals via products and services that deliver information in a way that is easy to access, easy to interpret, meaningful, timely, and comprehensive. Avega's client base includes integrated delivery networks, children's hospitals, large multi-facility entities, for-profit and not-for-profit, tertiary care centers, rehabilitation centers, teaching organizations and health maintenance organizations.

"We are honored to continue to be named number one by our customers as reported by KLAS," said Bob Nagelhout, President, Avega. "For over 23 years, we have focused on providing healthcare organizations with quality products to support their missions. Our selection as number one and the large margins we hold over our competitors demonstrate that we are achieving our mission." In the mid-year report, Avega's scores led the Business Decision Support category by a margin greater than that which separated their three closest ranked competitors.

About KLAS Enterprises:

Founded in 1996, KLAS specializes in monitoring and reporting the performance of healthcare information technology (HIT) vendors and products. KLAS strives to improve HIT delivery by independently measuring vendor performance for the benefit of consultants, investors, vendors, and healthcare provider partners. KLAS, in concert with thousands of healthcare executives and professionals, has created a dynamic database of HIT evaluations and opinions of healthcare executives, managers, and clinicians from over 4,500+ hospitals and 2,500+ clinics. For further information, contact KLAS Enterprises, LLC at 801-226-5120 or on the Web at www.healthcomputing.com. (Copyright 2006 KLAS Enterprises, LLC All rights reserved.)

About Avega:

Avega Health Systems, a wholly-owned subsidiary of MedAssets, Inc, offers the Alliance Suite to integrate financial, clinical, and administrative information to support decision-making across the healthcare enterprise. Combining OLAP and Ad-Hoc reporting with a web-based distribution tool, Alliance helps you improve clinical performance, control costs, manage and negotiate contracts, develop your budget and analyze productivity across one organization or many. Avega is celebrating 23 years as healthcare's first choice for decision makers. Avega's award-winning Alliance Suite supports the decision support, enterprise-wide reporting, data warehousing and operational support needs of both providers and payers. In addition to its corporate office in El Segundo, CA, Avega maintains an office in Nashville, TN.

About MedAssets:

MedAssets, headquartered in Atlanta, Georgia, improves healthcare providers' margin and cash flow through revenue cycle and supply chain initiatives as well as decision support technology and services. As a strategic business partner, MedAssets can replace multiple vendors and decrease supply costs by 3-10 % and increase net patient revenue by 1-3 %. MedAssets Net Revenue Systems provides best-of-breed revenue solutions including strategic pricing, charge capturing, and ongoing chargemaster management tools, all of which have been Peer Reviewed by the Healthcare Financial Management Association. MedAssets Net Revenue Systems also offers denials management and a tool to link supply cost data with charge data. MedAssets Supply Chain Systems is one of the fastest growing group purchasing organization in the U.S. and builds customized solutions encompassing procurement of common medical supplies, pharmaceuticals, physician preference supplies, food and nutrition items, and capital equipment. The newly formed MedAssets Analytical Systems offers supply chain analytics and decision support tools while clinical and operational consulting services are provided through MedAssets' subsidiary, Aspen Healthcare Metrics. Avega Health Systems, a subsidiary of MedAssets, ranked "Best in KLAS" in Business Decision Support - KLAS Enterprises, LLC 2005. For more information about MedAssets go to www.medassets.com or contact Gary Johnson, corporate senior vice president of Marketing and Marketing Services, 100 North Point Center East, Suite 200, Alpharetta, GA 30022.