VibroPower (SGX:BJD) responded to questions from the Securities Investors Association (Singapore) (SIAS) regarding its Annual Report 2024, according to a Thursday filing on the Singapore Exchange.

The company reported on its operational and financial matters and noted that sludge oil by-products contribute 20%-30% of revenue from its biomass power plant, which has an 11.5-megawatt capacity.

For the second phase of upgrading its biomass plant, VibroPower estimates a capital expenditure of 50 million ringgit. The company is also managing a dispute involving a $780,000 performance bond, with independent engineers engaged for analysis.

In a joint venture with Interra Resources Ltd, VibroPower issued a $1.5 million redeemable convertible bond with an 8.5% interest rate. The board stated that financing options are limited at this stage.

Ernest Yogarajah will seek re-election as non-independent chairman at the annual general meeting on Sept. 27. Total shareholder returns over the past 5, 10, and 17 years are reported at 93%, 84%, and 44%, respectively.