UPDATE 1-SolarWinds Q4 profit tops Street

* Q4 adj EPS $0.19 vs est $0.16

* Q4 sales $33.0 mln vs est $33.6 mln

* Sees Q1 adj EPS $0.15-$0.16 vs est $0.15

* Sees Q1 sales $33.7 mln-$34.7 mln vs est $33.5 mln

Feb 8 (Reuters) - Software maker SolarWinds Inc (SWI.N) posted a better-than-expected quarterly profit, helped by increased demand from commercial market customers, and forecast first-quarter profit that could meet or beat Wall Street expectations.

Fourth-quarter net income available to common stockholders was $6.5 million, or 9 cents a share, compared with $2.9 million, or 9 cents a share, a year earlier.

Outstanding shares rose to 71.9 million from 33.4 million shares in the year-ago period.

Excluding items, the company posted earnings of 19 cents a share. Revenue rose 32 percent to $33.0 million. [ID:nWNAB4533]

Analysts on average expected earnings of 16 cents a share, excluding exceptional items, on sales of $33.6 million, according to Thomson Reuters I/B/E/S.

For the first quarter, the company expects adjusted earnings of 15 cents to 16 cents a share, compared with analysts' estimates of 15 cents a share.

Shares of the Austin, Texas-based maker of network software closed at $20.04 Monday on the New York Stock Exchange. (Reporting by Sudipto Ganguly in Bangalore; Editing by Anne Pallivathuckal)