AirTight

Digital Signature Trust (DST), an affiliate of Zions Bancorporation (NASDAQ: ZION) and the first licensed Certification Authority (CA) in the United States, Diversinet Corp. (NASDAQ Small Cap: DVNT), a leading provider of m-commerce security infrastructure solutions, and Schlumberger Network Solutions, an operating unit of Schlumberger (NYSE: SLB) and a leading provider of technical services enabling mobile applications, have announced they have joined to create AirTight, a bundled wireless security and integration package.

AirTight allows businesses to offer secure, cost-efficient, wireless initiatives in less than 90 days. Businesses will now be able to offer a secure mobile application program with minimal effort. AirTight is the first mobile security and application initiative pre-packaged with digital signature capabilities, mobile applications, and installation support.

"Our goal is to work together to offer businesses a unique, bundled mobile program that will allow deployment of fully secure transaction-based applications on any mobile device quickly with minimal cost and effort," said Mehrzad Mahdavi, vice president, Global Financial Markets, Schlumberger Network Solutions. "Customers don't want to devote their time and financial resources to build a mobile infrastructure for their products. They would much rather use a packaged approach and focus on their core competencies."

AirTight Customers will Realize:

- End-to-end mobile initiative: From concept to reality in under 90 days

- The opportunity to experiment and tailor consumer mobile offerings

- Cost efficient mobile deployment: Reduced costs and infrastructure

- Reduced risk with lower investment/infrastructure costs and resource commitment

- The highest level of identification and authentication

- Faster market deployment: Easy implementation using a pre-packaged approach

- Competitive differential

- Training from mobile industry experts

AirTight is now available. The AirTight package starts at $175,000 USD. Contact Digital Signature Trust, Diversinet, or Schlumberger Network Solutions for more information on deploying an AirTight pilot program.