UPDATE 1-SuccessFactors Q3 rev view tops Street; to offer shares

* Sees Q3 rev of $38.2 mln - $38.7 mln above estimates

* Ups FY 09 rev view to $149.7 mln - $150.6 mln

* Says to offer 10 mln shares of common stock

* Shares fall 4 pct in extended trade

Oct 15 (Reuters) - Business-software maker SuccessFactors Inc (SFSF.O: Quote, Profile, Research) forecast better-than-expected third-quarter revenue and said it plans to offer 10 million shares.

Shares of the San Mateo, California-based company were down 4 percent at $15.02 in trading after the bell. They closed at $15.70 Thursday on Nasdaq.

The company, which provides software for human capital management, expects third-quarter revenue of $38.2 million to $38.7 million, an increase of 30 percent from year ago period.

Analysts were looking for revenue of $37.6 million, according to Thomson Reuters I/B/E/S.

The company expects third-quarter bookings of $49.1 million to $49.6 million.