Chorus has increased profit, bumped up its earnings guidance, hiked its dividend forecast and announced a share buyback.
Shares were up 6.8 per cent to $7.21 in midday.
The company reported a $42 million first-half net profit, up from the year-ago $24m (or an adjusted $27m).
Ebitda increased to $347m from $328m and revenue was $483m versus $477m.