Commissioning (RC). The original risk register showed that before the application of any treatment plans, there were four project risks rated as Extreme (E), namely, risks RP-001, RP-002, RM-001 and RM-002. The remaining risks were rated as High (H), with the exception of risk RM-004, which was rated as Medium. The risk management methodology applied by the company dictates that treatment plans need to be devised for all project risks that are rated in the E and H categories. As there was only one project risk that did not fall into this category, The Company developed treatment plans for every risk listed in the risk register. The risks were then re-categorised in the context of having applied their treatment plans. This resulted in the category of all of the project risks being reduced by one level; for example, risks that were previously categorised as Extreme were now categorised as High.