Illuminet Holdings Inc. –

LACEY, Wash. – Illuminet Holdings Inc., a provider of Signaling System 7 network services to telecommunications carriers, went public October 8, offering 3.9 million shares at $19 apiece. The company’s stock priced at the high end of its $17 to $19 filing range.

Underwritten by Morgan Stanley Dean Witter, BancBoston Robertson Stephens and Donaldson, Lufkin & Jenrette, the initial public offering left 29.3 million shares outstanding.

There were no selling shareholders. Venture backers included Spectrum Equity Investors, Telephone & Data Systems Inc. and CenturyTel Inc.

Illuminet provides clients with access, through a single source, to the system of signaling networks that spreads almost throughout the entire United States public-switched telecommunications infrastructure.

The company plans to use the expected $68 million generated from the IPO for potential acquisitions, developing new and improved services, maintaining and expanding the network and for general corporate purposes.

Illuminet has always generated a profit, earning $7.7 million in 1997 and $5.3 million in 1998.

Illuminet Holdings – Selected Financial

(in thousands, except per share data)

Year Ended December 31 Six Months Ended June 30

1996 1997 1998 1998 1999

Total revenue 37,888 54,308 71,912 31,586 45,116

Net income 2,953 7,657 5,293 2,351 4,460