ASE Technology reported Q1 revenue of NT$173.66bn, up 17.2% YoY, beating prior year NT$148.15bn.
Adjusted diluted EPS rose to NT$3.08 ($0.195 per ADS) from NT$1.64 YoY, while net income doubled to NT$14.15bn.
Gross margin improved to 20.1% and operating margin to 10.1%; ATM revenue surged 29.7% YoY to NT$112.43bn.
Shares jumped ~8% pre‑market; capex $1bn allocated $636m to packaging, $326m to testing; current ratio 1.15, net‑debt/equity 0.40.