Premiere Global Services Completes Acquisition of Citizens Conferencing and Raises Financial Outlook
Company Repurchases Additional 635,000 Shares

ATLANTA, GA, March 15, 2005 - Premiere Global Services, Inc. (NYSE: PGI), a global outsource provider of business communications services and business process solutions, today announced it has completed the acquisition of the conferencing services division of Citizens Communications Company (NYSE: CZN). Total consideration for the purchase was $41 million, net of working capital acquired, and was funded with the Company’s bank credit facility.

The Company anticipates the acquisition will be accretive to revenues and earnings and has raised its 2005 financial outlook. The Company now anticipates revenues for the year will be in the range of $500 to $520 million and diluted EPS will be in the range of $0.69 to $0.72, not including the impact of the new accounting standard requiring the expensing of stock options that becomes effective July 1, 2005. The Company is currently assessing the effect of this new accounting standard and anticipates it will negatively impact diluted EPS by $0.03 or less in 2005.

In other news, the Company announced it has repurchased 635,000 shares of its common stock in the open market during the current quarter, at a total cost of approximately $6.5 million. The Company has approximately 3.8 million shares remaining authorized under its current Board-approved share repurchase plan.

About Premiere Global Services, Inc.

Premiere Global Services, Inc., formerly Ptek Holdings, Inc., is a leading global provider of innovative business communications and data services. Customers use our ASP platform to conduct traditional and VoIP-based collaboration sessions and to process and deliver large quantities of individualized, business critical information. Premiere Global offers outsourced document delivery, data capture, alerts/notifications and campaign management solutions that automate customers' business processes and improve efficiency levels enterprise-wide. We also offer a full suite of conferencing solutions, including automated, operator-assisted and Web collaboration services that enable customers to communicate real-time via our advanced, open standards global conferencing platform.

Premiere Global serves more than 46,000 corporate accounts in nearly every business sector, throughout 18 countries worldwide. Our corporate headquarters is located at 3399 Peachtree Road NE, Suite 700, Atlanta, GA 30326. Additional information can be found at

Forward-looking and cautionary statements

Statements made in this press release, other than those concerning historical information, should be considered forward-looking and subject to various risks and uncertainties. Such forward-looking statements are made pursuant to the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995 and are made based on management's current expectations or beliefs as well as assumptions made by, and information currently available to, management. A variety of factors could cause actual results to differ materially from those anticipated in Premiere Global Services' forward-looking statements, including, but not limited to, the following factors: competitive pressures, including pricing pressures; technological change; the development of alternatives to our services; market acceptance of our new services and enhancements; integration of acquired companies; service interruptions; increased financial leverage; our dependence on our subsidiaries for cash flow; continued weakness in our legacy broadcast fax business; foreign currency exchange rates; possible adverse results of pending or future litigation or infringement claims; legislative or regulatory changes; general domestic and international economic, business or political conditions; and other factors described from time to time in our press releases, reports and other filings with the SEC, including but not limited the “Risk Factors Affecting Future Performance” section of our Annual Report on Form 10-K for the year ended December 31, 2004. All forward-looking statements attributable to us or a person acting on our behalf are expressly qualified in their entirety by this cautionary statement.