Private Trading Systems Announces Appointment of Steven J. Caldwell as Outside Director Nominee for Board of Directors.

SCOTTSDALE, Ariz. -- Private Trading Systems, Inc. (Pink Sheets:PVTD) announces the appointment of Steven J. Caldwell as Outside Director Nominee for the Company's Board of Directors. Mr. Caldwell is a respected information technology professional creating and selling programs to financial markets and consumers. He will assist the Board and the Executive Team in technology implementation and commercialization.

After receiving his MBA from Harvard Business School, Mr. Caldwell acted as Special Assistant to the Director of Materiel Acquisition, U.S. Army Materiel Command. A Planning Manager at Exxon, he served on Exxon's venture capital team becoming their first Director of Business Planning of Exxon Office Systems. Recruited by Alltel as Vice President Marketing, Mr. Caldwell developed a market orientation plan after the breakup of AT&T, coordinating the introduction of ISDN and the application of new technologies. He became a founding partner VP Sales and Marketing for BidNet, received venture funding from Dun & Bradstreet, set up an electronic distribution of state and local bid documents processing 1000 transactions a day.

As President of Ziff-Davis Technical Information Company, Mr. Caldwell turned around their unprofitable CDROM/database business distributing information from 30 NICPs for the DOD. He created a six set CDROM package that made it possible to find products sold to the DOD using various and different criteria. While President of Ziff Technologies, Mr. Caldwell acquired three computer-training companies. These companies' hands-on training techniques were transferred to CDROM and used to complement Ziff's computer publications PC Magazine, Computer Shopper, PCWeek.

As Vice President, Sales & Marketing, Associate Publisher at Corporate Technology Information Services, Mr. Caldwell moved the product mix from material available in printed directories to material available by electronic distribution on CDROM and floppy disk based products. The company was made profitable after 9 years, increasing sales 50% while holding sales/marketing expenses constant. As a Vice President & General Manager at EBSCO Publishing, he created an online full text database of 3000 magazines and newspapers, and a directory of 50,000 newsworthy U.S. companies.

As General Manager/President at Thomson Financial/fnReporter.com, Mr. Caldwell developed an online service for investors and financial professionals that extracted the most relevant documents containing business events of all public companies. This instantaneous e-mail news service detected events from public news sources that could change the price of a stock. The service reported all publicly traded company events storing the results in a database for easy retrieval. As Vice President B2B Internet Services at Chiliad Publishing, he developed the specifications and approach to create a B2B universal directory of goods and services. The directory is composed of the 500,000 businesses worldwide that offer products and services found in a registry developed through an open, Internet-based Universal Description, Discovery, and Integration (UDDI) specification.

Private Trading Systems is pleased to make this announcement, and looks forward to working closely with Mr. Caldwell utilizing his expertise in the financial markets and strong strategic planning background.

About Private Trading Systems

Private Trading Systems, Inc. is developing turnkey exchanges for all types of assets for which a CINS/CUSIP number can be assigned or created. Users of the Private Trading System will have access to a completely unique and proprietary integration of functions that is not currently available anywhere in the world. Private Trading Systems has partnered with Societe Bancaire Privee (SBP) of Geneva, Switzerland as the Company's custodian and bank partner. The Swiss Federal Banking Commission must approve all exchanges planned for the Exchange System prior to concluding any transaction. The intention of the Company is to offer an "exchange environment access" through a unique design of exchange services. The Company's System is a quick, effective and proprietary venue for secure, clean and efficient electronic transaction processing. It is also designed to preclude specific forms of illegal manipulative trading of any security for which it provides exchange services.

Forward-Looking Statements

This press release contains statements that are "forward-looking" and are made pursuant to the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995 and federal securities laws. Generally, the words "expect", "intend", "estimate", "will" and similar expressions identify forward-looking statements. By their very nature, forward-looking statements are subject to known and unknown risks and uncertainties that may cause our actual results, performance or achievements, or that of our industry, to differ materially from those expressed or implied in any of our forward-looking statements. Statements in this press release regarding the Company's business or proposed business, which are not historical facts, are "forward-looking" statements that involve risks and uncertainties, such as estimates and statements that describe the Company's future plans, objectives or goals, including words to the effect that the Company or management expects a stated condition or result to occur. Since forward-looking statements address future events and conditions, by their very nature, they involve inherent risks and uncertainties. Actual results in each case could differ materially from those currently anticipated in such statements. Investors are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date they are made.