Kioxia (285A JT) Q1 (JPY): Net Profit 842.17bln (exp. 973.6bln), Revenue 1.77tln (prev. 342.8bln Y/Y), guides Q2 Operating Profit 1.89tln (exp. 1.95tln). Announces a 3-for-1 stock split and announces a JPY 800bln share buyback