Bread, I have access to Iress and Thomson Reuters (Refinitiv), but the best bet if you have access to sharenet is to look at the dividend declaration paragraph in the SENS announcement containing the financials
OMN is too mining exposed. Also keep an eye on the Ammonia : Urea ratio. I understood they were going to have lower average prices due to supply coming on stream in the ammonia market, but the Urea prices dropped to compensate keeping the ratio unfavourable.