Helio reports subscribers for 1st time.

(From AFX Europe (Focus))

NEW YORK (AFX) - Helio LLC said Tuesday its youth-oriented cell phone service will reach 100,000 subscribers in April and that it is now generating monthly revenue at a rate exceeding $100 million per year.

The rare update on operating data came as Helio, a joint venture between EarthLink Inc. and Korea's SK Telecom Co., launched a music store offering wireless downloads for $1.99 per song.

It was the first time Helio has disclosed a customer tally. Chief Executive Sky Dayton said the company finished 2006 with about 70,000 customers and that subscriber growth has been accelerating.

"It's been ramping month after …