[1/3] South African president Cyril Ramaphosa speaks at the Green Hydrogen Summit at Century City in Cape Town, South Africa, November 29, 2022.
The inquiry centred on the theft of a millions of dollars of cash from the billionaire president's farm in 2020, which came to light in June.
The country's biggest opposition party, the Democratic Alliance, has called for an early election and the report has plunged the governing African National Congress (ANC) into crisis.
The ANC's executive committee is due to meet to discuss the panel report on Thursday evening.
Asked by Reuters about a local media report that Ramaphosa was due to address the nation on Thursday, Ramaphosa's spokesman Vincent Magwenya said: "An announcement is imminent.