Helped by overnight gains on Wall Street, the S&P/ASX 200 index closed up 0.3% at 6,501.80. The benchmark had declined 0.9% on Wednesday following a 2.2% gain over the first two trading sessions of the week.
The solid corporate earnings provide much-needed relief to financial markets which have been roiled over recent months by the Sino-U.S. trade war and the broadening economic fallout of the dispute.
The energy sector, which has put on more than 5% so far this week, thanks to stronger oil, led the gains with gas firm Santos Ltd and electricity & gas retailer Origin Energy Ltd anchoring the sub-index's 1.4% gain.
"The push in the market is definitely coming from the oil and gas sector. It has been a bit sold down. The jump is not significant but there is just some recovery happening in the market," said CPS Capital associate director Dale Raynes.
Santos closed 3.5% higher after country's No.2 independent gas producer posted a 89% jump in half-year profit, boosted by its acquisition of Quadrant Energy and strong output from its Cooper Basin fields in South Australia.
Origin Energy finished up 2.4% after it reported a 41.6% rise in its annual underlying profit, helped by robust production at its Australia Pacific LNG project.
Retailer Coles Group ended 2% higher as the announcement of a special dividend along with strong online sales overshadowed an annual profit drop.
Australia's largest airline Qantas Airways Ltd posted a 1.4% gain in a highly volatile session for the stock as investors cheered its A$400 million ($271.00 million) share buyback announcement, putting behind the disappointing earnings results.
Financials, a major benchmark constituent, gained 0.5% with all the 'Big Four' banks eking out gains.
However, the Metals and Mining index lost 0.4%, pulled down mainly by gold stocks, while diversified mining giants BHP Group posted marginal losses.
Miner South32 Ltd closed 4.4% lower after reporting a 25% drop in annual underlying profit.
New Zealand's benchmark S&P/NZX 50 index rose 0.1% to 10,725.22, led by energy retailer Mercury NZ Ltd and adventure goods retailer Kathmandu Holdings Ltd, with more than 3% gains each.